From 173707ddc49ecfaafffd04151cc4ecf469171d65 Mon Sep 17 00:00:00 2001
From: Fabian Schieder <fabian.schieder.1010@gmail.com>
Date: Fri, 27 Feb 2026 22:19:37 +0100
Subject: [PATCH] refactor styles and structure for improved consistency and
 responsiveness across various components

---
 .idea/php.xml               |   3 +
 account.php                 |   1 -
 assets/css/catbar.css       | 110 +++++-----
 assets/css/compcard.css     | 149 +++++++-------
 assets/css/login.css        | 388 +++++++++++++++++++++---------------
 assets/css/productAdder.css | 121 ++++++-----
 assets/css/productpage.css  | 239 ++++++++++++++--------
 catbar.php                  |   8 -
 compcards.php               |   8 -
 header.php                  |  29 ++-
 login.php                   |   1 -
 productpage.php             |  12 +-
 register.php                |   1 -
 style.css                   | 382 +++++++++++++++++++++++------------
 wunschliste.php             |   7 -
 15 files changed, 869 insertions(+), 590 deletions(-)

diff --git a/.idea/php.xml b/.idea/php.xml
index f324872..8e445c2 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -10,6 +10,9 @@
     <option name="highlightLevel" value="WARNING" />
     <option name="transferred" value="true" />
   </component>
+  <component name="PhpProjectSharedConfiguration" php_language_level="7.0">
+    <option name="suggestChangeDefaultLanguageLevel" value="false" />
+  </component>
   <component name="PhpStanOptionsConfiguration">
     <option name="transferred" value="true" />
   </component>
diff --git a/account.php b/account.php
index 783f716..fb79722 100644
--- a/account.php
+++ b/account.php
@@ -62,7 +62,6 @@ if (!$user)
 include 'header.php';
 ?>
 
-<link rel="stylesheet" href="assets/css/login.css">
 
 <main class="auth" role="main">
     <section class="auth__grid auth__card__side" aria-label="Account Bereich">
diff --git a/assets/css/catbar.css b/assets/css/catbar.css
index af20e28..0a5c1a0 100644
--- a/assets/css/catbar.css
+++ b/assets/css/catbar.css
@@ -1,98 +1,106 @@
+/* ==========================================================
+   CATEGORY BAR – Modern Pill Navigation
+   ========================================================== */
+
 .home-nav {
     width: 100%;
-    display: flex;
-    align-items: center;
-    background-color: #2d3b50;
-    padding: 1px 0;
+    background: var(--bg-surface);
+    border-bottom: 1px solid var(--border-subtle);
+    padding: 0;
+    overflow: hidden;
 }
 
-/* Inner zentriert */
 .home-nav__inner {
     flex: 1;
     width: 100%;
     display: flex;
     justify-content: center;
     align-items: center;
+    padding: 0.5rem 1rem;
 }
 
-/* List */
 .home-nav__list {
     width: 100%;
     display: flex;
     list-style: none;
     margin: 0;
     padding: 0;
+    gap: 0.35rem;
+    justify-content: center;
 }
 
-/* LI nur als Container */
 .home-nav__list li {
-    flex: 1;
+    flex: 0 1 auto;
     position: relative;
 }
 
-/* =============================== */
-/* HOME CATEGORY LINKS             */
-/* =============================== */
-
 .home-nav__list li a {
-    width: 100%;
-    padding: 8px 0;
-
-    background-color: rgb(45, 59, 80);
-    color: #ffffff;
-    font-weight: 600;
-    font-size: 0.9rem;
-
+    padding: 0.55rem 1.5rem;
+    background: transparent;
+    color: var(--text-secondary);
+    font-weight: 500;
+    font-size: 0.88rem;
+    font-family: var(--font-family);
     text-decoration: none;
     cursor: pointer;
-
     display: flex;
     align-items: center;
     justify-content: center;
-
-    border-radius: 0; /* 🔥 eckig */
-    transition: background-color 0.2s ease;
+    border-radius: var(--radius-full);
+    transition: color var(--transition-fast),
+                background var(--transition-fast);
+    white-space: nowrap;
 }
 
-/* Hover */
 .home-nav__list li a:hover {
-    background-color: rgba(255,255,255,0.18);
+    color: var(--text-invert);
+    background: rgba(255, 255, 255, 0.08);
 }
 
-/* Active (Mausklick) */
 .home-nav__list li a:active {
-    background-color: rgba(255,255,255,0.28);
+    background: rgba(255, 255, 255, 0.12);
 }
 
-/* Fokus (Tastatur) */
 .home-nav__list li a:focus-visible {
     outline: none;
-    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.5);
+    box-shadow: 0 0 0 2px var(--color-primary);
 }
 
-/* Aktive Kategorie (per PHP) */
 .home-nav__list li a.active {
-    background-color: rgba(255,255,255,0.25);
+    color: var(--color-primary);
+    background: var(--color-primary-soft);
+    font-weight: 600;
 }
 
-/* =============================== */
-/* TRENNSTRICHE ZWISCHEN KATEGORIEN */
-/* =============================== */
+/* ─── Responsive: horizontal scroll on mobile ─── */
+@media (max-width: 768px) {
+    .home-nav__inner {
+        justify-content: flex-start;
+        padding: 0.5rem 0.75rem;
+    }
 
-.home-nav__list li {
-    position: relative;
+    .home-nav__list {
+        overflow-x: auto;
+        overflow-y: hidden;
+        scroll-snap-type: x mandatory;
+        -webkit-overflow-scrolling: touch;
+        scrollbar-width: none;
+        gap: 0.25rem;
+        flex-wrap: nowrap;
+        justify-content: flex-start;
+    }
+
+    .home-nav__list::-webkit-scrollbar {
+        display: none;
+    }
+
+    .home-nav__list li {
+        flex: 0 0 auto;
+        scroll-snap-align: start;
+    }
+
+    .home-nav__list li a {
+        padding: 0.5rem 1.1rem;
+        font-size: 0.82rem;
+    }
 }
-
-/* Trennstrich rechts – außer beim letzten */
-.home-nav__list li:not(:last-child)::after {
-    content: "";
-    position: absolute;
-    right: 0;
-    top: 0;
-
-    height: 100%;
-    width: 2px;
-    background-color: rgba(255,255,255,0.3);
-}
-
-
diff --git a/assets/css/compcard.css b/assets/css/compcard.css
index 0121390..7b28382 100644
--- a/assets/css/compcard.css
+++ b/assets/css/compcard.css
@@ -1,149 +1,160 @@
-/* =============================== */
-/* PRODUCT GRID                    */
-/* =============================== */
+/* ==========================================================
+   PRODUCT CARDS & SCROLL – Modern Glass Cards
+   ========================================================== */
 
+/* ─── Product Grid ─── */
 .product-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
-    gap: 2rem;
+    gap: 1.5rem;
     padding: 2rem;
 }
 
-/* =============================== */
-/* PRODUCT CARD – Apple Style      */
-/* =============================== */
-
+/* ─── Product Card ─── */
 .product-card {
-    background-color: #2d3b50;
-    border-radius: 5px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
     overflow: hidden;
-
-    box-shadow:
-            0 10px 30px rgba(0, 0, 0, 0.08);
-
-    transition:
-            transform 0.25s ease,
-            box-shadow 0.25s ease;
-
-    /* Einheitliche Card-Größe */
+    box-shadow: var(--shadow-sm);
+    transition: transform var(--transition-smooth),
+                box-shadow var(--transition-smooth),
+                border-color var(--transition-smooth);
     display: flex;
     flex-direction: column;
-    height: 250px;
-
+    min-height: 260px;
     text-decoration: none;
     color: inherit;
 }
 
-/* Hover – Apple-like Lift */
 .product-card:hover {
-    transform: translateY(2px);
-    box-shadow:
-            0 20px 50px rgba(0, 0, 0, 0.12);
+    transform: translateY(-6px);
+    box-shadow: var(--shadow-md), var(--shadow-glow);
+    border-color: var(--border-strong);
 }
 
 .product-card:focus-visible {
-    outline: 2px solid #0071e3;
+    outline: 2px solid var(--color-primary);
     outline-offset: 3px;
 }
 
-/* Bild */
+/* ─── Card Image ─── */
 .product-card img {
     width: 100%;
-    height: 160px;
+    height: 170px;
     object-fit: contain;
     object-position: center;
     display: block;
     flex: 0 0 auto;
-    background-color: #ffffff;
+    background: rgba(255, 255, 255, 0.95);
+    padding: 12px;
+    border-bottom: 1px solid var(--border-subtle);
 }
 
-/* Content */
+/* ─── Card Content ─── */
 .product-card__content {
-    padding: 1rem 1.25rem;
-
-    /* sorgt dafür, dass der Content-Bereich den Rest der Card füllt */
+    padding: 1rem 1.25rem 1.1rem;
     flex: 1 1 auto;
     display: flex;
     flex-direction: column;
     min-height: 0;
+    gap: 0.3rem;
 }
 
-/* Titel */
 .product-card__content h3 {
-    font-size: 1rem;
+    font-size: 0.95rem;
     font-weight: 600;
-    margin-bottom: 0.4rem;
-    color: #ffffff; /* Apple Schwarz */
-
-    /* verhindert, dass lange Titel die Card-Höhe sprengen */
+    color: var(--text-primary);
+    margin-bottom: 0;
     overflow: hidden;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
+    line-height: 1.4;
 }
 
-/* Beschreibung */
 .product-card__content p {
-    font-size: 0.85rem;
-    color: #ffffff;
+    font-size: 0.82rem;
+    color: var(--text-secondary);
     margin-bottom: 0;
-
     overflow: hidden;
     display: -webkit-box;
-    -webkit-line-clamp: 4;
+    -webkit-line-clamp: 3;
     -webkit-box-orient: vertical;
     word-break: break-word;
+    line-height: 1.5;
 }
 
-/* Preis */
 .product-card__content .price {
-    font-size: 0.95rem;
-    font-weight: 600;
-    color: #0071e3; /* Apple Blau */
+    font-size: 1rem;
+    font-weight: 700;
+    color: var(--color-primary);
+    margin-top: auto;
+    padding-top: 0.5rem;
 }
 
-/* =============================== */
-/* PRODUCT SECTIONS (Vertical)     */
-/* =============================== */
-
+/* ─── Product Sections ─── */
 .product-section {
-    padding: 1.5rem 0;
+    padding: 1.75rem 0 0.5rem;
 }
 
-/* Überschrift */
 .product-section h2 {
     margin-left: 2rem;
-    margin-bottom: 0.75rem;
-
-    font-size: 1.2rem;
-    font-weight: 600;
-    color: #d8d8ee;
+    margin-bottom: 1rem;
+    font-size: 1.25rem;
+    font-weight: 700;
+    color: var(--text-primary);
+    letter-spacing: -0.3px;
+    position: relative;
+    padding-left: 0.75rem;
 }
 
-/* =============================== */
-/* HORIZONTAL PRODUCT SCROLL       */
-/* =============================== */
+.product-section h2::before {
+    content: "";
+    position: absolute;
+    left: 0;
+    top: 50%;
+    transform: translateY(-50%);
+    width: 3px;
+    height: 70%;
+    background: var(--color-primary);
+    border-radius: var(--radius-full);
+}
 
+/* ─── Horizontal Scroll ─── */
 .product-scroll {
     display: flex;
-    gap: 1.5rem;
-    padding: 0 2rem 1.5rem;
-
+    gap: 1.25rem;
+    padding: 0.5rem 2rem 2rem;
     overflow-x: auto;
     overflow-y: hidden;
-
     scroll-snap-type: x mandatory;
     -webkit-overflow-scrolling: touch;
-
     scrollbar-width: none;
 }
 
-/* fixe Breite pro Card im horizontalen Scroll */
 .product-scroll .product-card {
-    flex: 0 0 260px;
+    flex: 0 0 270px;
     scroll-snap-align: start;
 }
 
 .product-scroll::-webkit-scrollbar {
     display: none;
 }
+
+/* ─── Responsive ─── */
+@media (max-width: 768px) {
+    .product-section h2 {
+        margin-left: 1rem;
+        font-size: 1.1rem;
+    }
+
+    .product-scroll {
+        padding: 0.5rem 1rem 1.5rem;
+        gap: 1rem;
+    }
+
+    .product-scroll .product-card {
+        flex: 0 0 240px;
+    }
+}
diff --git a/assets/css/login.css b/assets/css/login.css
index 0f888e5..576c5f2 100644
--- a/assets/css/login.css
+++ b/assets/css/login.css
@@ -1,73 +1,49 @@
-/* assets/css/login.css
-   Geizhals-inspiriertes, cleanes Login-Layout
-*/
+/* ==========================================================
+   AUTH PAGES – Login, Register, Account
+   Modern glassmorphism style
+   ========================================================== */
 
-:root {
-    /* Dunkelblauer Background, helle Cards, blaue Akzente */
-    --gh-bg: #151923;
-    --gh-card: #1f2937;
-    --gh-text: #ffffff;
-    --gh-muted: #ffffff;
-    --gh-border: #5e6075;
-
-    --gh-primary: #274a97;
-    --gh-primary-2: #1d4ed8;
-    --gh-link: #3c5fb6;
-
-    --gh-danger: #d92d20;
-    --gh-shadow: 0 14px 34px rgba(2, 6, 23, 0.35);
-    --gh-radius: 5px;
-    --gh-focus: 0 0 0 4px rgba(37, 99, 235, 0.28);
-}
-
-/* Wir stylen nur innerhalb des Login-Bereichs, damit global nichts kaputtgeht */
+/* ─── Auth Wrapper ─── */
 .auth {
     display: grid;
     place-items: center;
-    min-height: 81.5svh;
-    padding: 34px 18px 60px;
-    background: var(--gh-bg);
+    min-height: 80vh;
+    padding: 2.5rem 1.25rem 4rem;
+    background: var(--bg-main);
 }
 
 .auth__grid {
     display: grid;
-    grid-template-columns: 1fr; /* statt 1.06fr 0.94fr */
+    grid-template-columns: 1fr;
     justify-items: center;
-    gap: 22px;
-    min-width: 1080px;
-    max-width: 1080px;
+    gap: 1.5rem;
+    width: min(480px, 100%);
     margin: 0 auto;
-    align-items: center; /* optional, aber passend zur Zentrierung */
+    align-items: center;
 }
 
-/*
- * Layout-Varianten für Seiten, die mehrere .auth__card haben (z.B. account.php)
- * Nutzung:
- *  - nebeneinander: <section class="auth__grid auth__card__side">
- *  - untereinander: <section class="auth__grid auth__card__stack">
- */
+/* ─── Side Layout (Account page) ─── */
 .auth__grid.auth__card__side {
     grid-template-columns: max-content 1fr;
     align-items: start;
     justify-items: stretch;
+    width: min(900px, 100%);
 }
 
 .auth__grid.auth__card__side .auth__card {
     width: 100%;
 }
 
-/* Bild-Card in Side-Ansicht: Card wird so groß wie das Bild (inkl. Padding), Bild bleibt IN der Card */
 .auth__grid.auth__card__side .auth__card.auth__card__side__picture {
     display: inline-grid;
     width: max-content;
-    justify-self: center; /* Card mittig in der linken Spalte */
-    padding: 12px; /* Abstand zwischen Rahmen und Bild */
-    overflow: hidden; /* Bild darf nicht über Radius/Rahmen hinauslaufen */
-    place-items: center; /* Bild mittig in der Card */
+    justify-self: center;
+    padding: 12px;
+    overflow: hidden;
+    place-items: center;
 }
 
-/* Der normale auth__header ist ein Grid (Logo+Text). In der Bild-Card wollen wir nur "zentriert" */
-.auth__grid.auth__card__side .auth__card.auth__card__side__picture .auth__header{
+.auth__grid.auth__card__side .auth__card.auth__card__side__picture .auth__header {
     display: flex;
     justify-content: center;
     align-items: center;
@@ -76,10 +52,10 @@
 }
 
 .auth__grid.auth__card__side .auth__card.auth__card__side__picture img {
-    display: block; /* entfernt Inline-Gap unter Bildern */
-    max-width: none; /* Card richtet sich an echter Bildbreite aus */
+    display: block;
+    max-width: none;
     height: auto;
-    /* runde Ecken kommen vom Container (overflow:hidden) */
+    border-radius: var(--radius-lg);
 }
 
 .auth__grid.auth__card__stack {
@@ -88,26 +64,28 @@
     justify-items: center;
 }
 
+/* ─── Card ─── */
 .auth__card,
 .auth__sideCard {
     width: min(520px, 100%);
-    background: var(--gh-card);
-    /* border: 1px solid var(--gh-border); */
-    border-radius: var(--gh-radius);
-    box-shadow: var(--gh-shadow);
+    background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+    box-shadow: var(--shadow-md);
 }
 
 .auth__card {
-    padding: 22px;
+    padding: 1.75rem;
 }
 
+/* ─── Card Header ─── */
 .auth__header {
     display: grid;
     grid-template-columns: auto 1fr;
     column-gap: 14px;
     row-gap: 2px;
     align-items: center;
-    margin-bottom: 12px;
+    margin-bottom: 1rem;
 }
 
 .auth__logo {
@@ -119,42 +97,77 @@
 
 .auth__title {
     margin: 0;
-    font-size: 1.55rem;
-    letter-spacing: 0.2px;
-    color: var(--gh-text);
+    font-size: 1.45rem;
+    font-weight: 700;
+    letter-spacing: -0.3px;
+    color: var(--text-primary);
 }
 
 .auth__subtitle {
     margin: 0;
-    color: var(--gh-muted);
-    font-size: 0.98rem;
+    color: var(--text-secondary);
+    font-size: 0.95rem;
     line-height: 1.4;
 }
 
+/* ─── Alerts ─── */
 .auth__alert__error {
-    margin: 12px 0 14px;
-    color: #ffffff;
-    background: var(--gh-danger);
-    border-radius: 5px;
-    padding: 10px 12px;
-    box-shadow: 0 8px 18px rgba(217, 45, 32, 0.18);
+    margin: 0.75rem 0 1rem;
+    color: var(--text-invert);
+    background: linear-gradient(135deg, var(--color-danger), #dc2626);
+    border-radius: var(--radius-md);
+    padding: 0.75rem 1rem;
+    font-size: 0.9rem;
+    font-weight: 500;
+    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.2);
 }
 
 .auth__alert__sucess {
-    margin: 12px 0 14px;
-    color: #ffffff;
-    background: #558346;
-    border-radius: 5px;
-    padding: 10px 12px;
-    box-shadow: 0 8px 18px rgba(72, 142, 62, 0.18);
+    margin: 0.75rem 0 1rem;
+    color: var(--text-invert);
+    background: linear-gradient(135deg, #22c55e, #16a34a);
+    border-radius: var(--radius-md);
+    padding: 0.75rem 1rem;
+    font-size: 0.9rem;
+    font-weight: 500;
+    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.2);
 }
 
+.auth__alert {
+    margin: 0.75rem 0 1rem;
+    color: var(--text-invert);
+    background: linear-gradient(135deg, var(--color-danger), #dc2626);
+    border-radius: var(--radius-md);
+    padding: 0.75rem 1rem;
+    font-size: 0.9rem;
+}
+
+.auth__alert ul {
+    margin: 0;
+    padding-left: 1.25rem;
+}
+
+.auth__alert li {
+    margin: 0.25rem 0;
+}
+
+.auth__error {
+    margin: 0.75rem 0;
+    color: var(--color-danger);
+    background: var(--color-danger-soft);
+    border: 1px solid rgba(239, 68, 68, 0.2);
+    border-radius: var(--radius-md);
+    padding: 0.75rem 1rem;
+    font-size: 0.9rem;
+}
+
+/* ─── Form ─── */
 .auth__form {
-    margin-top: 6px;
+    margin-top: 0.5rem;
 }
 
 .auth__field {
-    margin-top: 12px;
+    margin-top: 1rem;
 }
 
 .auth__search {
@@ -163,151 +176,190 @@
 
 .auth__field label {
     display: block;
-    margin: 0 0 6px;
-    font-size: 0.95rem;
-    color: var(--gh-muted);
+    margin: 0 0 0.4rem;
+    font-size: 0.88rem;
+    font-weight: 500;
+    color: var(--text-secondary);
 }
 
 .auth__field input[type="text"],
 .auth__field input[type="password"],
+.auth__field input[type="email"],
 .auth__field input[type="file"] {
     width: 100%;
     box-sizing: border-box;
-    padding: 12px 12px;
-    border: 1px solid var(--gh-border);
-    border-radius: 5px;
-    background: #1e2537;
-    color: var(--gh-text);
+    padding: 0.75rem 0.9rem;
+    border: 1px solid var(--border-default);
+    border-radius: var(--radius-md);
+    background: var(--bg-input);
+    color: var(--text-primary);
+    font-family: var(--font-family);
+    font-size: 0.92rem;
     outline: none;
-    transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
+    transition: border-color var(--transition-fast),
+                box-shadow var(--transition-fast),
+                background var(--transition-fast);
 }
 
 .auth__field input[type="text"]:focus,
 .auth__field input[type="password"]:focus,
+.auth__field input[type="email"]:focus,
 .auth__field input[type="file"]:focus {
-    border-color: rgba(37, 99, 235, 0.75);
-    box-shadow: var(--gh-focus);
+    border-color: var(--color-primary);
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
+    background: rgba(26, 34, 51, 0.8);
+}
+
+.auth__field input[type="text"]::placeholder,
+.auth__field input[type="password"]::placeholder,
+.auth__field input[type="email"]::placeholder {
+    color: var(--text-muted);
 }
 
 .auth__field input[type="file"]::file-selector-button {
     margin-right: 10px;
-    padding: 10px 12px;
+    padding: 0.6rem 1rem;
     border: 0;
-    border-radius: 5px;
-    background: var(--gh-primary);
+    border-radius: var(--radius-md);
+    background: var(--color-primary);
     color: #ffffff;
-    font-weight: 750;
+    font-weight: 600;
+    font-family: var(--font-family);
+    font-size: 0.85rem;
     cursor: pointer;
-    transition: transform 120ms ease, filter 120ms ease;
+    transition: background var(--transition-fast),
+                transform var(--transition-fast);
 }
 
 .auth__field input[type="file"]::file-selector-button:hover {
-    filter: brightness(1.02);
+    background: var(--color-primary-hover);
     transform: translateY(-1px);
 }
 
 .auth__field input[type="file"]::file-selector-button:active {
-    transform: translateY(0px);
+    transform: translateY(0);
 }
 
-
+/* ─── Actions ─── */
 .auth__actions {
-    margin-top: 14px;
+    margin-top: 1.25rem;
 }
 
 .auth__submit {
     width: 100%;
-    padding: 12px 14px;
+    padding: 0.75rem 1rem;
     border: 0;
-    border-radius: 5px;
-    background: var(--gh-primary);
+    border-radius: var(--radius-md);
+    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
     color: #ffffff;
-    font-weight: 750;
+    font-weight: 600;
+    font-family: var(--font-family);
+    font-size: 0.95rem;
     letter-spacing: 0.2px;
     cursor: pointer;
-    transition: transform 120ms ease, filter 120ms ease;
-}
-
-.auth__submit:hover {
-    filter: brightness(1.02);
-    transform: translateY(-1px);
-}
-
-.auth__submit:active {
-    transform: translateY(0px);
-}
-
-.auth__links {
-    margin-top: 14px;
-    padding-top: 12px;
-    border-top: 1px dashed var(--gh-border);
-}
-
-.auth__muted {
-    margin: 8px 0 0;
-    color: var(--gh-muted);
-}
-
-.auth__muted a {
-    color: var(--gh-link);
-    text-decoration: none;
-    font-weight: 700;
-}
-
-.auth__muted a:hover {
-    text-decoration: underline;
-}
-
-.auth__sideCard {
-    padding: 18px;
-    background: var(--gh-card);
-}
-
-.auth__sideCard h3 {
-    margin: 0 0 10px;
-    font-size: 1.05rem;
-    color: var(--gh-text);
-}
-
-.auth__sideCard ul {
-    margin: 0;
-    padding-left: 18px;
-    color: var(--gh-text);
-}
-
-.auth__sideCard li {
-    margin: 8px 0;
-    color: var(--gh-text);
-}
-
-.auth__tip {
-    margin-top: 14px;
-    padding: 12px 12px;
-    border-radius: 5px;
-    background: rgba(37, 99, 235, 0.06);
-    border: 1px solid rgba(37, 99, 235, 0.16);
-    color: var(--gh-text);
-}
-
-.auth__submit {
-    transition: 0.2s ease;
+    transition: transform var(--transition-fast),
+                box-shadow var(--transition-fast),
+                opacity var(--transition-fast);
+    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
 }
 
 .auth__submit:hover {
     transform: translateY(-2px);
-    opacity: 0.9;
+    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
 }
 
+.auth__submit:active {
+    transform: translateY(0);
+}
 
+.auth__submit:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+    transform: none;
+}
+
+/* Danger button variant */
+.auth__submit--danger {
+    background: linear-gradient(135deg, var(--color-danger), #dc2626);
+    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25);
+}
+
+.auth__submit--danger:hover {
+    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
+}
+
+/* ─── Links ─── */
+.auth__links {
+    margin-top: 1.25rem;
+    padding-top: 1rem;
+    border-top: 1px solid var(--border-subtle);
+}
+
+.auth__muted {
+    margin: 0.5rem 0 0;
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+.auth__muted a {
+    color: var(--color-primary);
+    text-decoration: none;
+    font-weight: 600;
+    transition: color var(--transition-fast);
+}
+
+.auth__muted a:hover {
+    color: var(--color-primary-hover);
+    text-decoration: underline;
+}
+
+/* ─── Side Card ─── */
+.auth__sideCard {
+    padding: 1.25rem;
+    background: var(--bg-card);
+}
+
+.auth__sideCard h3 {
+    margin: 0 0 0.75rem;
+    font-size: 1.05rem;
+    color: var(--text-primary);
+}
+
+.auth__sideCard ul {
+    margin: 0;
+    padding-left: 1.25rem;
+    color: var(--text-secondary);
+}
+
+.auth__sideCard li {
+    margin: 0.5rem 0;
+    color: var(--text-secondary);
+}
+
+/* ─── Tip Box ─── */
+.auth__tip {
+    margin-top: 0.75rem;
+    padding: 0.7rem 0.9rem;
+    border-radius: var(--radius-md);
+    background: var(--color-primary-soft);
+    border: 1px solid rgba(59, 130, 246, 0.15);
+    color: var(--text-secondary);
+    font-size: 0.82rem;
+    line-height: 1.5;
+}
+
+/* ==========================================================
+   RESPONSIVE
+   ========================================================== */
 @media (max-width: 900px) {
     .auth__grid {
-        grid-template-columns: 1fr;
+        width: min(480px, 100%);
     }
 
-    /* Side-Layout klappt auf Mobile automatisch auf 1 Spalte zusammen */
     .auth__grid.auth__card__side {
         grid-template-columns: 1fr;
         justify-items: center;
+        width: min(480px, 100%);
     }
 
     .auth__logo {
@@ -321,11 +373,11 @@
 
 @media (max-width: 520px) {
     .auth {
-        padding-top: 18px;
+        padding-top: 1.5rem;
     }
 
     .auth__card {
-        padding: 18px;
+        padding: 1.25rem;
     }
 
     .auth__header {
@@ -336,4 +388,8 @@
         width: 140px;
         grid-row: auto;
     }
+
+    .auth__title {
+        font-size: 1.25rem;
+    }
 }
\ No newline at end of file
diff --git a/assets/css/productAdder.css b/assets/css/productAdder.css
index fd6c8b4..00a2763 100644
--- a/assets/css/productAdder.css
+++ b/assets/css/productAdder.css
@@ -1,128 +1,147 @@
-/* assets/css/productAdder.css
-   Dropdown-Styles fuer productAdder.php
-*/
+/* ==========================================================
+   PRODUCT ADDER – Dropdown & Form Styles
+   ========================================================== */
 
+/* ─── Select Wrapper ─── */
 .auth__select__wrap {
     width: min(520px, 100%);
     display: grid;
-    gap: 6px;
+    gap: 0.4rem;
     justify-self: center;
-    margin-top: 12px;
+    margin-top: 0.75rem;
 }
 
 .auth__select__label {
-    font-size: 0.95rem;
-    color: var(--gh-muted);
+    font-size: 0.88rem;
+    font-weight: 500;
+    color: var(--text-secondary);
 }
 
 .auth__select {
     width: 100%;
     box-sizing: border-box;
-    padding: 12px 40px 12px 12px;
-    border: 1px solid var(--gh-border);
-    border-radius: 5px;
-    background-color: #1e2537;
-    color: var(--gh-text);
+    padding: 0.75rem 2.5rem 0.75rem 0.9rem;
+    border: 1px solid var(--border-default);
+    border-radius: var(--radius-md);
+    background-color: var(--bg-input);
+    color: var(--text-primary);
+    font-family: var(--font-family);
+    font-size: 0.92rem;
     outline: none;
     appearance: none;
-    transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
+    cursor: pointer;
+    transition: border-color var(--transition-fast),
+                box-shadow var(--transition-fast);
     background-image:
-        linear-gradient(45deg, transparent 50%, #cbd5f5 50%),
-        linear-gradient(135deg, #cbd5f5 50%, transparent 50%),
-        linear-gradient(to right, #1e2537, #1e2537);
+        linear-gradient(45deg, transparent 50%, var(--text-secondary) 50%),
+        linear-gradient(135deg, var(--text-secondary) 50%, transparent 50%);
     background-position:
-        calc(100% - 18px) calc(1em + 2px),
-        calc(100% - 13px) calc(1em + 2px),
-        100% 0;
-    background-size: 5px 5px, 5px 5px, 2.5em 100%;
+        calc(100% - 18px) calc(50% + 1px),
+        calc(100% - 13px) calc(50% + 1px);
+    background-size: 5px 5px, 5px 5px;
     background-repeat: no-repeat;
 }
 
 .auth__select:focus {
-    border-color: rgba(37, 99, 235, 0.75);
-    box-shadow: var(--gh-focus);
+    border-color: var(--color-primary);
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
 }
 
 .auth__select option {
-    background: #1e2537;
-    color: var(--gh-text);
+    background: var(--bg-input);
+    color: var(--text-primary);
 }
 
+/* ─── Product Adder Layout ─── */
 .auth {
     min-height: 100vh;
     display: grid;
     place-items: start center;
-    padding: 32px 16px;
-    gap: 16px;
+    padding: 2rem 1rem;
+    gap: 1rem;
 }
 
 .auth__grid {
-    width: min(1100px, 100%);
+    width: min(700px, 100%);
     display: grid;
     grid-template-columns: 1fr;
-    gap: 20px;
+    gap: 1.25rem;
 }
 
 .auth__card {
-    background: #1f2937;
-    border: 1px solid var(--gh-border);
-    border-radius: 5px;
-    padding: 18px;
-    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
+    background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+    padding: 1.5rem;
+    box-shadow: var(--shadow-md);
 }
 
 .auth__header {
-    margin-bottom: 12px;
+    margin-bottom: 0.75rem;
 }
 
 .auth__title {
     margin: 0;
-    font-size: 1.1rem;
-    color: var(--gh-text);
+    font-size: 1.15rem;
+    font-weight: 700;
+    color: var(--text-primary);
+    letter-spacing: -0.2px;
 }
 
 .auth__form {
     display: grid;
-    gap: 8px;
-    margin-bottom: 12px;
+    gap: 0.65rem;
+    margin-bottom: 0.75rem;
 }
 
 .auth__form label {
-    font-size: 0.95rem;
-    color: var(--gh-muted);
+    font-size: 0.88rem;
+    font-weight: 500;
+    color: var(--text-secondary);
+    margin-top: 0.5rem;
 }
 
 .auth__input {
     width: 100%;
     box-sizing: border-box;
-    padding: 10px 12px;
-    border: 1px solid var(--gh-border);
-    border-radius: 5px;
-    background: #1e2537;
-    color: var(--gh-text);
+    padding: 0.7rem 0.9rem;
+    border: 1px solid var(--border-default);
+    border-radius: var(--radius-md);
+    background: var(--bg-input);
+    color: var(--text-primary);
+    font-family: var(--font-family);
+    font-size: 0.92rem;
     outline: none;
-    transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
+    transition: border-color var(--transition-fast),
+                box-shadow var(--transition-fast);
 }
 
 .auth__input:focus {
-    border-color: rgba(37, 99, 235, 0.75);
-    box-shadow: var(--gh-focus);
+    border-color: var(--color-primary);
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
 }
 
 .auth__input::placeholder {
-    color: var(--gh-muted);
+    color: var(--text-muted);
+}
+
+textarea.auth__input {
+    min-height: 80px;
+    resize: vertical;
+    line-height: 1.5;
 }
 
 .auth__card .auth__form:last-child {
     margin-bottom: 0;
 }
 
+/* ─── Responsive ─── */
 @media (max-width: 720px) {
     .auth {
-        padding: 24px 12px;
+        padding: 1.5rem 0.75rem;
     }
 
     .auth__card {
-        padding: 16px;
+        padding: 1.25rem;
     }
 }
diff --git a/assets/css/productpage.css b/assets/css/productpage.css
index c733955..352ef3b 100644
--- a/assets/css/productpage.css
+++ b/assets/css/productpage.css
@@ -1,24 +1,33 @@
-/* Gesamter Bereich */
+/* ==========================================================
+   PRODUCT PAGE – Detailed product view & shop offers
+   ========================================================== */
+
+/* ─── Wrapper ─── */
 .product-wrapper {
     max-width: 1200px;
-    margin: 60px auto;
-    padding: 0 20px;
-
+    margin: 3rem auto;
+    padding: 0 1.5rem;
     display: flex;
-    gap: 60px;
+    gap: 3.5rem;
 }
 
-/* LINKER BEREICH */
+/* ─── Left Column (Image) ─── */
 .product-left {
     flex: 1;
 }
 
 .product-image-box {
-    background: #ffffff;
-    padding: 40px;
-    border-radius: 14px;
-    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
+    background: rgba(255, 255, 255, 0.95);
+    padding: 2.5rem;
+    border-radius: var(--radius-xl);
+    border: 1px solid var(--border-subtle);
+    box-shadow: var(--shadow-md);
     text-align: center;
+    transition: box-shadow var(--transition-smooth);
+}
+
+.product-image-box:hover {
+    box-shadow: var(--shadow-lg);
 }
 
 .product-image-box img {
@@ -27,173 +36,241 @@
     object-fit: contain;
 }
 
-/* RECHTER BEREICH */
+/* ─── Right Column (Details) ─── */
 .product-right {
     flex: 1.2;
 }
 
-
-/* Produkttitel */
 .product-title {
-    font-size: 32px;
-    color: white;
-    font-weight: 600;
-    margin-bottom: 30px;
-    border-bottom: 2px solid #eaeaea;
-    padding-bottom: 15px;
+    font-size: 1.85rem;
+    color: var(--text-primary);
+    font-weight: 700;
+    margin-bottom: 1.5rem;
+    padding-bottom: 1rem;
+    border-bottom: 1px solid var(--border-subtle);
+    letter-spacing: -0.5px;
+    line-height: 1.3;
 }
 
-/* Beschreibung */
 .product-desc {
-    font-size: 23px;
+    font-size: 1rem;
     line-height: 1.7;
-    color: #ffffff;
-    margin-bottom: 15px;
+    color: var(--text-secondary);
+    margin-bottom: 1.5rem;
 }
 
-/* Spezifikationen */
 .product-specs {
     display: flex;
-    color: #ffffff;
+    color: var(--text-primary);
     flex-direction: column;
-    gap: 12px;
+    gap: 0.6rem;
 }
-S
-/* Einzelne Zeile */
+
+.product-specs p {
+    padding: 0.65rem 1rem;
+    background: var(--bg-surface);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-md);
+    font-size: 0.92rem;
+    transition: background var(--transition-fast);
+}
+
+.product-specs p:hover {
+    background: rgba(26, 35, 50, 0.9);
+}
+
+.product-specs p strong {
+    color: var(--text-secondary);
+    font-weight: 500;
+    margin-right: 0.5rem;
+}
+
+/* ─── Spec Rows (alternative layout) ─── */
 .spec-row {
     display: flex;
     justify-content: space-between;
-    padding: 12px 16px;
-    background: #f9f9f9;
-    border-radius: 8px;
-    transition: background 0.2s ease;
+    padding: 0.75rem 1rem;
+    background: var(--bg-surface);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-md);
+    transition: background var(--transition-fast);
 }
 
 .spec-row:hover {
-    background: #f0f0f0;
+    background: rgba(26, 35, 50, 0.9);
 }
 
-/* Name links */
 .spec-name {
     font-weight: 500;
-    color: #444;
+    color: var(--text-secondary);
 }
 
-/* Wert rechts */
 .spec-value {
     font-weight: 600;
-    color: #111;
+    color: var(--text-primary);
 }
 
-/* Responsive */
+/* ─── Responsive Product Page ─── */
 @media (max-width: 900px) {
     .product-wrapper {
         flex-direction: column;
+        gap: 2rem;
+        margin: 2rem auto;
+    }
+
+    .product-title {
+        font-size: 1.5rem;
     }
 }
 
-
-/********* SHOP OFFERS *************/
-
+/* ==========================================================
+   SHOP OFFERS
+   ========================================================== */
 .shop-offers {
-    margin: 50px 0 80px 0;   /* unten mehr Abstand */
+    max-width: 1200px;
+    margin: 0 auto 4rem;
+    padding: 0 1.5rem;
     display: flex;
-    color: white;
     flex-direction: column;
-    gap: 14px;               /* etwas enger */
+    gap: 0.75rem;
 }
 
 .shop-line {
-    display: flex;
+    display: grid;
+    grid-template-columns: 250px 1fr auto;
     align-items: center;
-    justify-content: space-between;
-
-    background: #1f2a3a;
-    border: 1px solid #2f3c52;
-    border-radius: 12px;
-
-    padding: 12px 20px;   /* vorher 20px 28px → jetzt kompakter */
-    min-height: 70px;     /* feste, schlanke Höhe */
+    gap: 1.5rem;
+    background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+    padding: 1rem 1.5rem;
+    transition: border-color var(--transition-fast),
+                transform var(--transition-fast),
+                box-shadow var(--transition-fast);
 }
 
 .shop-line:hover {
-    background: #243248;
-    transform: translateY(-3px);
-    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
+    border-color: var(--border-strong);
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-md);
 }
 
 .shop-left {
     display: flex;
     align-items: center;
-    gap: 28px;   /* vorher ~18px */
+    gap: 1rem;
 }
+
 .shop-logo {
     display: flex;
     align-items: center;
-    height: 40px;   /* feste Höhe */
+    height: 40px;
+    flex-shrink: 0;
 }
 
 .shop-logo img {
-    max-height: 40px;   /* Logo passt sich an */
-    max-width: 100px;   /* verhindert Überstehen */
+    max-height: 36px;
+    max-width: 90px;
     object-fit: contain;
+    border-radius: var(--radius-sm);
 }
 
 .shop-name {
-    color: white;
     font-weight: 600;
-    font-size: 16px;
-    text-decoration: none;
+    font-size: 0.95rem;
 }
 
-.shop-name:hover {
-    text-decoration: underline;
+.shop-name a {
+    color: var(--text-primary);
+    text-decoration: none;
+    transition: color var(--transition-fast);
+}
+
+.shop-name a:hover {
+    color: var(--color-primary);
 }
 
 .shop-middle {
     display: flex;
     align-items: center;
-    gap: 55px;      /* vorher ~35px → jetzt deutlich mehr Abstand */
-    font-size: 14px;
-    color: #cbd5e1;
+    gap: 2rem;
+    font-size: 0.88rem;
+    color: var(--text-secondary);
 }
 
 .shop-shipping {
     display: flex;
     flex-direction: column;
-    gap: 4px;
+    gap: 2px;
+    line-height: 1.4;
 }
 
 .shop-stock {
     font-weight: 500;
-    display: flex;
+    display: inline-flex;
     align-items: center;
     gap: 6px;
+    padding: 0.3rem 0.75rem;
+    border-radius: var(--radius-full);
+    font-size: 0.82rem;
+}
+
+.shop-stock.in-stock {
+    color: var(--color-accent);
+    background: var(--color-accent-soft);
 }
 
-/* Grün */
 .shop-stock.in-stock::before {
     content: "✔";
-    color: #22c55e;
 }
 
-/* Rot */
+.shop-stock.out-stock {
+    color: var(--color-danger);
+    background: var(--color-danger-soft);
+}
+
 .shop-stock.out-stock::before {
     content: "✖";
-    color: #ef4444;
 }
 
 .shop-price {
-    margin-left: auto;
-    font-size: 18px;   /* kleiner als vorher */
+    font-size: 1.35rem;
     font-weight: 700;
-    color: #4ade80;
+    color: var(--color-accent);
+    white-space: nowrap;
+    letter-spacing: -0.3px;
 }
 
 .no-shop {
-    background: #1f2a3a;
-    padding: 20px;
-    border-radius: 12px;
-    color: #cbd5e1;
+    background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
+    padding: 2rem;
+    border-radius: var(--radius-lg);
+    color: var(--text-secondary);
     text-align: center;
+    font-size: 0.95rem;
+}
+
+/* ─── Responsive Shop Offers ─── */
+@media (max-width: 900px) {
+    .shop-line {
+        grid-template-columns: 1fr;
+        gap: 0.75rem;
+        padding: 1rem;
+    }
+
+    .shop-middle {
+        flex-wrap: wrap;
+        gap: 0.75rem;
+    }
+
+    .shop-price {
+        font-size: 1.2rem;
+    }
+}
+
+@media (max-width: 600px) {
+    .shop-offers {
+        padding: 0 1rem;
+    }
 }
\ No newline at end of file
diff --git a/catbar.php b/catbar.php
index 8d6ba61..49751b9 100644
--- a/catbar.php
+++ b/catbar.php
@@ -1,12 +1,4 @@
 
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-    <link rel="stylesheet" href="assets/css/catbar.css">
-</head>
-
-
 <nav class="home-nav" aria-label="Homenavigation">
     <div class="home-nav__inner container">
         <ul class="home-nav__list">
diff --git a/compcards.php b/compcards.php
index b73b1e7..b8a54cc 100644
--- a/compcards.php
+++ b/compcards.php
@@ -81,11 +81,3 @@ $categories = [
     <?php endif; ?>
 
 <?php endforeach; ?>
-
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-    <link rel="stylesheet" href="assets/css/compcard.css">
-</head>
\ No newline at end of file
diff --git a/header.php b/header.php
index f92e92a..5140e0d 100644
--- a/header.php
+++ b/header.php
@@ -1,14 +1,18 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="de">
 
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
     <link rel="stylesheet" href="/style.css">
-    <link rel="stylesheet" href="assets/css/login.css">
+    <link rel="stylesheet" href="/assets/css/login.css">
+    <link rel="stylesheet" href="/assets/css/catbar.css">
+    <link rel="stylesheet" href="/assets/css/compcard.css">
+    <link rel="stylesheet" href="/assets/css/productpage.css">
+    <link rel="stylesheet" href="/assets/css/productAdder.css">
 
-    <link rel="icon" href="assets/images/favicon.ico" sizes="any">
+    <link rel="icon" href="/assets/images/favicon.ico" sizes="any">
 
     <title>Geizkragen</title>
 </head>
@@ -17,12 +21,12 @@
 <header class="header" id="header">
     <nav class="nav" aria-label="Hauptnavigation">
         <a class="nav__logoLink" href="index.php">
-            <img class="nav__logo" src="/assets/images/logoText.png" alt="Geizhals" width="150">
+            <img class="nav__logo" src="/assets/images/logoText.png" alt="Geizkragen" width="150">
         </a>
 
-        <form class="nav__searchForm auth__form auth__search" action="login.php" method="POST" autocomplete="off">
-            <div class="nav__searchField auth__field">
-                <input class="nav__searchInput" type="text" id="search" name="Suche" inputmode="text" required>
+        <form class="nav__searchForm" action="index.php" method="GET" autocomplete="off">
+            <div class="nav__searchField">
+                <input class="nav__searchInput" type="text" id="search" name="search" placeholder="Produkte suchen…" inputmode="text">
             </div>
         </form>
 
@@ -31,30 +35,25 @@
                 <ul class="nav__list">
                     <li class="nav__item">
                         <a href="index.php" class="nav__link">Home</a>
-                   </li>
+                    </li>
+                </ul>
 
-               </ul>
-
-               <!-- Close button -->
                 <div class="nav__close" id="nav-close">
                     <i class="ri-close-line"></i>
                 </div>
             </div>
 
             <div class="nav__actions">
-                <!-- Login link -->
-
                 <a class="nav__login nav__wishlist" href="wunschliste.php" aria-label="Wunschliste">
                     <svg class="icon icon-user" viewBox="0 0 24 24" aria-hidden="true">
                         <path d="M8 6.00067L21 6.00139M8 12.0007L21 12.0015M8 18.0007L21 18.0015M3.5 6H3.51M3.5 12H3.51M3.5 18H3.51M4 6C4 6.27614 3.77614 6.5 3.5 6.5C3.22386 6.5 3 6.27614 3 6C3 5.72386 3.22386 5.5 3.5 5.5C3.77614 5.5 4 5.72386 4 6ZM4 12C4 12.2761 3.77614 12.5 3.5 12.5C3.22386 12.5 3 12.2761 3 12C3 11.7239 3.22386 11.5 3.5 11.5C3.77614 11.5 4 11.7239 4 12ZM4 18C4 18.2761 3.77614 18.5 3.5 18.5C3.22386 18.5 3 18.2761 3 18C3 17.7239 3.22386 17.5 3.5 17.5C3.77614 17.5 4 17.7239 4 18Z" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
                     </svg>
                 </a>
-                <a class="nav__login" href="account.php" aria-label="Login">
+                <a class="nav__login" href="account.php" aria-label="Account">
                     <svg class="icon icon-user" viewBox="0 0 24 24" aria-hidden="true">
                         <path d="M4 22C4 17.5817 7.58172 14 12 14C16.4183 14 20 17.5817 20 22H18C18 18.6863 15.3137 16 12 16C8.68629 16 6 18.6863 6 22H4ZM12 13C8.685 13 6 10.315 6 7C6 3.685 8.685 1 12 1C15.315 1 18 3.685 18 7C18 10.315 15.315 13 12 13ZM12 11C14.21 11 16 9.21 16 7C16 4.79 14.21 3 12 3C9.79 3 8 4.79 8 7C8 9.21 9.79 11 12 11Z"/>
                     </svg>
                 </a>
-                <!-- Toggle button -->
                 <div class="nav__toggle" id="nav-toggle">
                     <i class="ri-menu-line"></i>
                 </div>
diff --git a/login.php b/login.php
index 1080ef3..3989958 100644
--- a/login.php
+++ b/login.php
@@ -115,7 +115,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST')
 
 include 'header.php';
 ?>
-<link rel="stylesheet" href="assets/css/login.css">
 
 <main class="auth" role="main">
     <section class="auth__grid" aria-label="Login Bereich">
diff --git a/productpage.php b/productpage.php
index bef5bf7..cb3874d 100644
--- a/productpage.php
+++ b/productpage.php
@@ -239,8 +239,8 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
 
                 <div class="shop-line">
 
-                    <div class =shop-left>
-                        <div class ="shop-logo">
+                    <div class="shop-left">
+                        <div class="shop-logo">
                             <img src="<?= isset($shop['logoPath']) ? $shop['logoPath'] : 'assets/images/placeholder.png' ?>"
                                  alt ="Kein Logo gefunden" >
                         </div>
@@ -268,7 +268,7 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
             <?php endforeach; ?>
 
         <?php else: ?>
-            <div class ="no-shop">
+            <div class="no-shop">
                 <p>Keine Shops bieten dieses Produkt an.</p>
             </div>
         <?php endif; ?>
@@ -281,11 +281,5 @@ $productId = isset($_GET['id']) ? (int)$_GET['id'] : 0;
 
 
 
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-    <link rel="stylesheet" href="assets/css/productpage.css">
-</head>
 
 <?php include 'footer.php'; ?>
\ No newline at end of file
diff --git a/register.php b/register.php
index 895147d..001dafe 100644
--- a/register.php
+++ b/register.php
@@ -155,7 +155,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST')
 
 include 'header.php';
 ?>
-<link rel="stylesheet" href="assets/css/login.css">
 
 <main class="auth" role="main">
     <section class="auth__grid" aria-label="Registrierung Bereich">
diff --git a/style.css b/style.css
index 87a8fb0..9883354 100755
--- a/style.css
+++ b/style.css
@@ -1,3 +1,10 @@
+/* ==========================================================
+   GEIZKRAGEN – DESIGN SYSTEM
+   Modern Dark Theme mit Inter Font
+   ========================================================== */
+
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
+
 /* ==========================================================
    RESET & BASIS
    ========================================================== */
@@ -10,55 +17,94 @@
 }
 
 :root {
-    --bg-main: #151923;
-    --bg-card: #ffffff;
-    --bg-header: #1f2937;
+    /* ─── Farben ─── */
+    --bg-main:            #0c1017;
+    --bg-card:            #151c28;
+    --bg-surface:         #1a2332;
+    --bg-header:          #111827;
+    --bg-input:           #1a2233;
 
-    --color-primary: #2563eb;
-    --color-primary-hover: #1d4ed8;
-    --color-accent: #10b981;
+    --color-primary:      #3b82f6;
+    --color-primary-hover:#2563eb;
+    --color-primary-soft: rgba(59, 130, 246, 0.12);
+    --color-accent:       #10b981;
+    --color-accent-soft:  rgba(16, 185, 129, 0.12);
+    --color-danger:       #ef4444;
+    --color-danger-soft:  rgba(239, 68, 68, 0.12);
+    --color-warning:      #f59e0b;
+    --color-success:      #22c55e;
 
-    --text-main: #151c2e;
-    --text-muted: #6b7280;
-    --text-invert: #ffffff;
+    --text-primary:       #f1f5f9;
+    --text-secondary:     #94a3b8;
+    --text-muted:         #64748b;
+    --text-invert:        #ffffff;
 
-    --border-color: #e5e7eb;
+    --border-subtle:      rgba(255, 255, 255, 0.06);
+    --border-default:     rgba(255, 255, 255, 0.1);
+    --border-strong:      rgba(255, 255, 255, 0.15);
 
-    --radius-sm: 6px;
-    --radius-md: 10px;
-    --radius-lg: 16px;
+    /* ─── Radii ─── */
+    --radius-sm:  6px;
+    --radius-md:  10px;
+    --radius-lg:  14px;
+    --radius-xl:  20px;
+    --radius-full: 9999px;
 
-    --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
-    --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
+    /* ─── Schatten ─── */
+    --shadow-sm:  0 2px 8px rgba(0, 0, 0, 0.15);
+    --shadow-md:  0 8px 24px rgba(0, 0, 0, 0.2);
+    --shadow-lg:  0 16px 48px rgba(0, 0, 0, 0.3);
+    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
 
-    --transition-fast: 150ms ease;
-    --transition-normal: 250ms ease;
+    /* ─── Transitions ─── */
+    --transition-fast:    150ms ease;
+    --transition-normal:  250ms ease;
+    --transition-smooth:  350ms cubic-bezier(0.4, 0, 0.2, 1);
 
-    /* Gutter des Standard-Containers (für Navbar-Logo-Offset genutzt) */
+    /* ─── Spacing ─── */
     --nav-gutter: 1.5rem;
+
+    /* ─── Font ─── */
+    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+}
+
+html {
+    scroll-behavior: smooth;
 }
 
 body {
-    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
-    Roboto, "Helvetica Neue", Arial, sans-serif;
-    background: var(--bg-main) !important;
-    color: var(--text-main) !important;
-    line-height: 1.45;
-
-    /* Sticky-Footer Basis: Inhalt wächst, Footer wird nach unten gedrückt */
+    font-family: var(--font-family);
+    background: var(--bg-main);
+    color: var(--text-primary);
+    line-height: 1.55;
     min-height: 100vh;
     display: flex;
     flex-direction: column;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
 }
 
-/* Optional: falls ihr <main> nutzt, wächst es im Flex-Layout */
-main
-{
+main {
     flex: 1 0 auto;
 }
 
+a {
+    color: var(--color-primary);
+    text-decoration: none;
+    transition: color var(--transition-fast);
+}
+
+a:hover {
+    color: var(--color-primary-hover);
+}
+
+::selection {
+    background: rgba(59, 130, 246, 0.3);
+    color: var(--text-invert);
+}
+
 /* ==========================================================
-   CONTAINER (Wrapper)
+   CONTAINER
    ========================================================== */
 .container {
     max-width: 1400px;
@@ -73,35 +119,34 @@ main
     position: sticky;
     top: 0;
     z-index: 1000;
-    background: var(--bg-header);
-    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
+    background: rgba(17, 24, 39, 0.85);
+    backdrop-filter: blur(20px) saturate(180%);
+    -webkit-backdrop-filter: blur(20px) saturate(180%);
+    border-bottom: 1px solid var(--border-subtle);
     padding: 0;
 }
 
-/* Entferne die Padding-Änderung im Header nicht global auf .container.
-   (Das hat die Ausrichtung der rechten Elemente kaputt gemacht.) */
-/* .header .container { padding-inline: 0; } */
-
 /* ==========================================================
    NAVBAR
    ========================================================== */
 .nav {
-    min-height: 56px;
+    min-height: 60px;
     width: 100%;
     display: flex;
     align-items: center;
-    background: var(--bg-header);
-
-    /* Suchfeld kann damit exakt zur Header-Mitte positioniert werden */
     position: relative;
 }
 
-/* Logo wirklich ganz links (ohne Tricks) */
 .nav__logoLink {
     display: inline-flex;
     align-items: center;
     padding-left: 0;
-    margin-left: 0; /* <-- wichtig: kein negatives Margin */
+    margin-left: 0;
+    transition: opacity var(--transition-fast);
+}
+
+.nav__logoLink:hover {
+    opacity: 0.85;
 }
 
 .nav__logo {
@@ -111,7 +156,6 @@ main
     height: auto;
 }
 
-/* Rechter Bereich: nimmt den restlichen Platz ein und richtet Inhalt rechts aus */
 .nav__inner {
     margin-right: 0;
     flex: 1;
@@ -122,12 +166,10 @@ main
     gap: 1.25rem;
 }
 
-/* Damit Menü + Icons wirklich bis ganz rechts können (trotz container max-width) */
 .nav__inner.container {
     margin-left: auto;
 }
 
-/* Desktop: Menü rechts */
 .nav__menu {
     display: flex;
     align-items: center;
@@ -135,29 +177,37 @@ main
 
 .nav__list {
     display: flex;
-    gap: 2rem;
+    gap: 0.25rem;
     list-style: none;
     margin: 0;
     padding: 0;
 }
 
 .nav__link {
-    color: rgba(255,255,255,0.85);
-    font-size: 0.95rem;
+    color: var(--text-secondary);
+    font-size: 0.9rem;
     font-weight: 500;
     text-decoration: none;
-    transition: color var(--transition-normal);
+    padding: 0.5rem 1rem;
+    border-radius: var(--radius-md);
+    transition: color var(--transition-fast), background var(--transition-fast);
 }
 
 .nav__link:hover {
     color: var(--text-invert);
+    background: rgba(255, 255, 255, 0.06);
 }
 
-/* Action Icons rechts */
+.nav__link.active {
+    color: var(--color-primary);
+    background: var(--color-primary-soft);
+}
+
+/* ─── Nav Actions ─── */
 .nav__actions {
     display: flex;
     align-items: center;
-    gap: 1.2rem;
+    gap: 0.35rem;
 }
 
 .nav__search,
@@ -165,20 +215,29 @@ main
 .nav__toggle,
 .nav__close {
     font-size: 1.3rem;
-    color: var(--text-invert);
+    color: var(--text-secondary);
     cursor: pointer;
-    transition: color var(--transition-normal);
+    transition: color var(--transition-fast), background var(--transition-fast);
+    padding: 0.45rem;
+    border-radius: var(--radius-md);
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
 }
 
 .nav__search:hover,
 .nav__login:hover {
-    color: var(--color-primary);
+    color: var(--text-invert);
+    background: rgba(255, 255, 255, 0.08);
+}
+
+.nav__wishlist {
+    color: var(--text-secondary);
 }
 
-/* Wunschliste-Icon immer weiß (SVG nutzt currentColor) */
-.nav__wishlist,
 .nav__wishlist:hover {
     color: var(--text-invert);
+    background: rgba(255, 255, 255, 0.08);
 }
 
 /* ==========================================================
@@ -196,24 +255,24 @@ main
    MOBILE NAV
    ========================================================== */
 @media (max-width: 900px) {
-    /* Logo bleibt links, Container rechts (Toggle) */
-
     .nav__toggle {
-        display: block;
+        display: flex;
     }
 
     .nav__menu {
         position: fixed;
         top: 0;
         right: -100%;
-        width: 280px;
+        width: 300px;
         height: 100%;
-        background: #111827;
-        padding: 4rem 2rem;
-        transition: right 300ms ease;
+        background: var(--bg-header);
+        border-left: 1px solid var(--border-subtle);
+        padding: 5rem 2rem 2rem;
+        transition: right 300ms cubic-bezier(0.4, 0, 0.2, 1);
         flex-direction: column;
         align-items: flex-start;
         gap: 2rem;
+        z-index: 1001;
     }
 
     .nav__menu.show-menu {
@@ -222,19 +281,32 @@ main
 
     .nav__list {
         flex-direction: column;
-        gap: 1.5rem;
+        gap: 0.5rem;
+        width: 100%;
     }
 
     .nav__link {
         font-size: 1.05rem;
-        color: #e5e7eb;
+        color: var(--text-secondary);
+        display: block;
+        padding: 0.75rem 1rem;
+        border-radius: var(--radius-md);
+    }
+
+    .nav__link:hover {
+        background: rgba(255, 255, 255, 0.06);
     }
 
     .nav__close {
-        display: block;
+        display: flex;
         position: absolute;
         top: 1.2rem;
         right: 1.2rem;
+        color: var(--text-secondary);
+    }
+
+    .nav__close:hover {
+        color: var(--text-invert);
     }
 }
 
@@ -246,17 +318,13 @@ main
     left: 50%;
     top: 50%;
     transform: translate(-50%, -50%);
-
     display: flex;
     align-items: center;
     justify-content: center;
-
-    /* verhindert, dass das Eingabefeld auf Desktop zu breit wird */
-    width: min(520px, calc(100% - 520px));
+    width: min(500px, calc(100% - 520px));
     z-index: 1;
 }
 
-/* Login-Styles (assets/css/login.css) sollen im Header keine vertikalen Abstände reinbringen */
 .nav__searchForm.auth__form,
 .nav__searchForm .auth__field,
 .nav__searchForm.auth__search {
@@ -271,26 +339,38 @@ main
 .nav__searchInput {
     width: 100%;
     height: 40px;
-    padding: 0 12px;
-    border-radius: 10px;
+    padding: 0 16px;
+    border-radius: var(--radius-full);
+    border: 1px solid var(--border-default);
+    background: rgba(255, 255, 255, 0.05);
+    color: var(--text-primary);
+    font-size: 0.9rem;
+    font-family: var(--font-family);
+    outline: none;
+    transition: border-color var(--transition-fast),
+                background var(--transition-fast),
+                box-shadow var(--transition-fast);
+}
+
+.nav__searchInput::placeholder {
+    color: var(--text-muted);
+}
+
+.nav__searchInput:focus {
+    border-color: var(--color-primary);
+    background: rgba(255, 255, 255, 0.08);
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
 }
 
 @media (max-width: 900px) {
-    /* Auf Mobile würde das fix zentrierte Feld dem Burger-Menü in die Quere kommen */
     .nav__searchForm {
         display: none;
     }
 }
 
 /* ==========================================================
-   LAYOUT
+   LAYOUT (Grid mit Sidebar)
    ========================================================== */
-/*
-   WICHTIG:
-   `.container` ist jetzt nur noch ein Wrapper (max-width/padding).
-   Das Grid-Layout liegt in `.layout`, damit die Navbar (`.nav.container`)
-   nicht versehentlich zu einem Grid wird.
-*/
 .layout {
     margin: 2rem auto;
     padding: 0 2rem;
@@ -304,14 +384,17 @@ main
    ========================================================== */
 .sidebar {
     background: var(--bg-card);
-    border-radius: var(--radius-md);
-    padding: 1.2rem;
+    border: 1px solid var(--border-subtle);
+    border-radius: var(--radius-lg);
+    padding: 1.25rem;
     box-shadow: var(--shadow-sm);
 }
 
 .sidebar h3 {
     font-size: 1rem;
+    font-weight: 600;
     margin-bottom: 1rem;
+    color: var(--text-primary);
 }
 
 .filter-group {
@@ -322,16 +405,27 @@ main
     display: block;
     font-size: 0.85rem;
     color: var(--text-muted);
-    margin-bottom: 0.3rem;
+    margin-bottom: 0.35rem;
 }
 
 .filter-group input,
 .filter-group select {
     width: 100%;
-    padding: 0.45rem 0.6rem;
+    padding: 0.5rem 0.65rem;
     border-radius: var(--radius-sm);
-    border: 1px solid var(--border-color);
+    border: 1px solid var(--border-default);
+    background: var(--bg-input);
+    color: var(--text-primary);
     font-size: 0.9rem;
+    font-family: var(--font-family);
+    transition: border-color var(--transition-fast);
+}
+
+.filter-group input:focus,
+.filter-group select:focus {
+    border-color: var(--color-primary);
+    outline: none;
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
 }
 
 /* ==========================================================
@@ -344,26 +438,29 @@ main
 }
 
 /* ==========================================================
-   PRODUCT CARD
+   PRODUCT CARD (global)
    ========================================================== */
 .product-card {
     background: var(--bg-card);
+    border: 1px solid var(--border-subtle);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-sm);
     display: flex;
     flex-direction: column;
-    transition: transform var(--transition-normal),
-    box-shadow var(--transition-normal);
+    transition: transform var(--transition-smooth),
+                box-shadow var(--transition-smooth),
+                border-color var(--transition-smooth);
 }
 
 .product-card:hover {
-    transform: translateY(-4px);
+    transform: translateY(-6px);
     box-shadow: var(--shadow-md);
+    border-color: var(--border-strong);
 }
 
 .product-image {
     height: 180px;
-    background: #f1f5f9;
+    background: var(--bg-surface);
     border-top-left-radius: var(--radius-lg);
     border-top-right-radius: var(--radius-lg);
     display: flex;
@@ -383,6 +480,7 @@ main
 .product-title {
     font-size: 0.95rem;
     font-weight: 600;
+    color: var(--text-primary);
 }
 
 .product-meta {
@@ -403,52 +501,89 @@ main
     gap: 0.5rem;
 }
 
+/* ==========================================================
+   BUTTONS
+   ========================================================== */
 .btn {
     flex: 1;
-    padding: 0.5rem;
-    border-radius: var(--radius-sm);
+    padding: 0.55rem 1rem;
+    border-radius: var(--radius-md);
     font-size: 0.85rem;
+    font-weight: 500;
+    font-family: var(--font-family);
     cursor: pointer;
     border: none;
-    transition: background var(--transition-fast);
+    transition: background var(--transition-fast),
+                transform var(--transition-fast),
+                box-shadow var(--transition-fast);
+}
+
+.btn:hover {
+    transform: translateY(-1px);
+}
+
+.btn:active {
+    transform: translateY(0);
 }
 
 .btn-primary {
     background: var(--color-primary);
     color: #fff;
+    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
 }
 
 .btn-primary:hover {
     background: var(--color-primary-hover);
+    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
 }
 
 .btn-secondary {
-    background: #f3f4f6;
-    color: var(--text-main);
+    background: rgba(255, 255, 255, 0.06);
+    color: var(--text-primary);
+    border: 1px solid var(--border-default);
 }
 
 .btn-secondary:hover {
-    background: #e5e7eb;
+    background: rgba(255, 255, 255, 0.1);
+    border-color: var(--border-strong);
+}
+
+.btn-danger {
+    background: var(--color-danger);
+    color: #fff;
+    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
+}
+
+.btn-danger:hover {
+    background: #dc2626;
+    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
 }
 
 /* ==========================================================
    BADGES
    ========================================================== */
 .badge {
-    display: inline-block;
-    padding: 0.2rem 0.5rem;
-    border-radius: var(--radius-sm);
+    display: inline-flex;
+    align-items: center;
+    padding: 0.2rem 0.6rem;
+    border-radius: var(--radius-full);
     font-size: 0.7rem;
     font-weight: 600;
+    letter-spacing: 0.3px;
 }
 
 .badge-green {
-    background: #d1fae5;
-    color: #065f46;
+    background: var(--color-accent-soft);
+    color: var(--color-accent);
+}
+
+.badge-red {
+    background: var(--color-danger-soft);
+    color: var(--color-danger);
 }
 
 /* ==========================================================
-   RESPONSIVE
+   RESPONSIVE LAYOUT
    ========================================================== */
 @media (max-width: 900px) {
     .layout {
@@ -460,26 +595,28 @@ main
     }
 }
 
+/* ==========================================================
+   ICONS
+   ========================================================== */
 .icon-user {
-    width: 24px;
-    height: 24px;
-    fill: currentColor; /* passt sich Textfarbe an */
+    width: 22px;
+    height: 22px;
+    fill: currentColor;
 }
 
 /* ==========================================================
    FOOTER
    ========================================================== */
 .footer {
-    /* Entfernt das alte spacing und macht den Footer 'sticky' */
     margin-top: auto;
-
-    background: var(--bg-header);
-    color: rgba(255, 255, 255, 0.85);
-    border-top: 1px solid rgba(255, 255, 255, 0.08);
+    background: rgba(17, 24, 39, 0.85);
+    backdrop-filter: blur(20px) saturate(180%);
+    -webkit-backdrop-filter: blur(20px) saturate(180%);
+    border-top: 1px solid var(--border-subtle);
 }
 
 .footer .container {
-    padding-block: 1.25rem;
+    padding-block: 1.5rem;
     display: flex;
     align-items: center;
     justify-content: space-between;
@@ -488,36 +625,37 @@ main
 
 .footer p {
     margin: 0;
-    font-size: 0.9rem;
+    font-size: 0.85rem;
+    color: var(--text-muted);
 }
 
 .footer__nav {
     display: flex;
     align-items: center;
-    gap: 1rem;
+    gap: 1.5rem;
 }
 
 .footer__nav a {
-    color: rgba(255, 255, 255, 0.85);
+    color: var(--text-secondary);
     text-decoration: none;
-    font-size: 0.9rem;
+    font-size: 0.85rem;
     font-weight: 500;
-    transition: color var(--transition-normal),
-                text-decoration-color var(--transition-normal);
-    text-decoration-thickness: 2px;
-    text-underline-offset: 4px;
-    text-decoration-color: transparent;
+    padding: 0.35rem 0.75rem;
+    border-radius: var(--radius-sm);
+    transition: color var(--transition-fast),
+                background var(--transition-fast);
 }
 
 .footer__nav a:hover,
 .footer__nav a:focus-visible {
     color: var(--text-invert);
-    text-decoration-color: rgba(255, 255, 255, 0.65);
+    background: rgba(255, 255, 255, 0.06);
 }
 
 @media (max-width: 600px) {
     .footer .container {
         flex-direction: column;
-        align-items: flex-start;
+        align-items: center;
+        text-align: center;
     }
 }
diff --git a/wunschliste.php b/wunschliste.php
index fb56133..6271a67 100644
--- a/wunschliste.php
+++ b/wunschliste.php
@@ -68,11 +68,4 @@ if (!$conn)
         <?php $stmt->close(); ?>
 
 
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-    <link rel="stylesheet" href="assets/css/compcard.css">
-</head>
-
 <?php include 'footer.php'; ?>
\ No newline at end of file