/* ==========================================================
   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
   ========================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* ─── Farben ─── */
    --bg-main:            #0c1017;
    --bg-card:            #151c28;
    --bg-surface:         #1a2332;
    --bg-header:          #111827;
    --bg-input:           #1a2233;

    --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-primary:       #f1f5f9;
    --text-secondary:     #94a3b8;
    --text-muted:         #64748b;
    --text-invert:        #ffffff;

    --border-subtle:      rgba(255, 255, 255, 0.06);
    --border-default:     rgba(255, 255, 255, 0.1);
    --border-strong:      rgba(255, 255, 255, 0.15);

    /* ─── Radii ─── */
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  14px;
    --radius-xl:  20px;
    --radius-full: 9999px;

    /* ─── 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);

    /* ─── Transitions ─── */
    --transition-fast:    150ms ease;
    --transition-normal:  250ms ease;
    --transition-smooth:  350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* ─── 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: 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;
}

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
   ========================================================== */
.container {
    max-width: 1400px;
    margin-inline: auto;
    padding-inline: var(--nav-gutter);
}

/* ==========================================================
   HEADER
   ========================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    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;
}

/* ==========================================================
   NAVBAR
   ========================================================== */
.nav {
    min-height: 60px;
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
}

.nav__logoLink {
    display: inline-flex;
    align-items: center;
    padding-left: 0;
    margin-left: 0;
    transition: opacity var(--transition-fast);
}

.nav__logoLink:hover {
    opacity: 0.85;
}

.nav__logo {
    display: block;
    margin: 0;
    max-width: 150px;
    height: auto;
}

.nav__inner {
    margin-right: 0;
    flex: 1;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1.25rem;
}

.nav__inner.container {
    margin-left: auto;
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    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);
}

.nav__link.active {
    color: var(--color-primary);
    background: var(--color-primary-soft);
}

/* ─── Nav Actions ─── */
.nav__actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nav__search,
.nav__login,
.nav__toggle,
.nav__close {
    font-size: 1.3rem;
    color: var(--text-secondary);
    cursor: pointer;
    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(--text-invert);
    background: rgba(255, 255, 255, 0.08);
}

.nav__wishlist {
    color: var(--text-secondary);
}

.nav__wishlist:hover {
    color: var(--text-invert);
    background: rgba(255, 255, 255, 0.08);
}

/* ==========================================================
   TOGGLE / CLOSE
   ========================================================== */
.nav__toggle {
    display: none;
}

.nav__close {
    display: none;
}

/* ==========================================================
   MOBILE NAV
   ========================================================== */
@media (max-width: 900px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100%;
        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 {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .nav__link {
        font-size: 1.05rem;
        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: flex;
        position: absolute;
        top: 1.2rem;
        right: 1.2rem;
        color: var(--text-secondary);
    }

    .nav__close:hover {
        color: var(--text-invert);
    }
}

/* ==========================================================
   NAVBAR: ZENTRIERTE SUCHE
   ========================================================== */
.nav__searchForm {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(500px, calc(100% - 520px));
    z-index: 1;
}

.nav__searchForm.auth__form,
.nav__searchForm .auth__field,
.nav__searchForm.auth__search {
    margin-top: 0;
}

.nav__searchField {
    width: 100%;
    margin-top: 0;
}

.nav__searchInput {
    width: 100%;
    height: 40px;
    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) {
    .nav__searchForm {
        display: none;
    }
}

/* ==========================================================
   LAYOUT (Grid mit Sidebar)
   ========================================================== */
.layout {
    margin: 2rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
}

/* ==========================================================
   FILTER / SIDEBAR
   ========================================================== */
.sidebar {
    background: var(--bg-card);
    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 {
    margin-bottom: 1.2rem;
}

.filter-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    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);
}

/* ==========================================================
   PRODUCT GRID
   ========================================================== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.6rem;
}

/* ==========================================================
   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-smooth),
                box-shadow var(--transition-smooth),
                border-color var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.product-image {
    height: 180px;
    background: var(--bg-surface);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.product-content {
    padding: 1rem 1.1rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.product-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.product-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.product-price {
    margin-top: 0.6rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-actions {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
    flex: 1;
    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),
                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: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    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-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: var(--color-accent-soft);
    color: var(--color-accent);
}

.badge-red {
    background: var(--color-danger-soft);
    color: var(--color-danger);
}

/* ==========================================================
   RESPONSIVE LAYOUT
   ========================================================== */
@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: 2;
    }
}

/* ==========================================================
   ICONS
   ========================================================== */
.icon-user {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
    margin-top: auto;
    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: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer__nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer__nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    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);
    background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 600px) {
    .footer .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}