/* ==========================================================
   AUTH PAGES – Login, Register, Account
   Animated Glassmorphism Design
   ========================================================== */

/* ─── Auth Wrapper ─── */
.auth {
    display: grid;
    place-items: center;
    min-height: 80vh;
    padding: 2.5rem 1.25rem 4rem;
    position: relative;
    z-index: 1;
}

/* Decorative ambient orb */
.auth::before {
    content: "";
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent 70%);
    pointer-events: none;
    z-index: -1;
    animation: float 12s ease-in-out infinite;
}

.auth__grid {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 1.5rem;
    width: min(480px, 100%);
    margin: 0 auto;
    align-items: center;
}

/* ─── 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%;
}

.auth__grid.auth__card__side .auth__card.auth__card__side__picture {
    display: inline-grid;
    width: max-content;
    justify-self: center;
    padding: 12px;
    overflow: hidden;
    place-items: center;
}

.auth__grid.auth__card__side .auth__card.auth__card__side__picture .auth__header {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: 0;
}

.auth__grid.auth__card__side .auth__card.auth__card__side__picture img {
    display: block;
    max-width: none;
    height: auto;
    border-radius: var(--radius-lg);
    transition: transform var(--transition-smooth);
}

.auth__grid.auth__card__side .auth__card.auth__card__side__picture img:hover {
    transform: scale(1.03);
}

.auth__grid.auth__card__stack {
    grid-template-columns: 1fr;
    align-items: center;
    justify-items: center;
}

/* ─── Card – Glassmorphism ─── */
.auth__card,
.auth__sideCard {
    width: min(520px, 100%);
    background: rgba(15, 21, 32, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease both;
    transition: border-color var(--transition-smooth),
                box-shadow var(--transition-smooth);
}

.auth__card:hover {
    border-color: var(--border-default);
    box-shadow: var(--shadow-md), var(--shadow-glow-blue);
}

/* Stagger cards */
.auth__grid .auth__card:nth-child(1) { animation-delay: 0s; }
.auth__grid .auth__card:nth-child(2) { animation-delay: 0.08s; }
.auth__grid .auth__card:nth-child(3) { animation-delay: 0.16s; }
.auth__grid .auth__card:nth-child(4) { animation-delay: 0.24s; }

.auth__card {
    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: 1rem;
}

.auth__logo {
    display: block;
    width: 140px;
    height: auto;
    grid-row: span 2;
}

.auth__title {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth__subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

/* ─── Alerts – Animated ─── */
.auth__alert__error {
    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: 0.88rem;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.2);
    animation: scaleIn 0.3s ease;
}

.auth__alert__sucess {
    margin: 0.75rem 0 1rem;
    color: var(--text-invert);
    background: linear-gradient(135deg, var(--color-success), #16a34a);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.2);
    animation: scaleIn 0.3s ease;
}

.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: 0.88rem;
    animation: scaleIn 0.3s ease;
}

.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, 0.15);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
    animation: scaleIn 0.3s ease;
}

/* ─── Form ─── */
.auth__form {
    margin-top: 0.5rem;
}

.auth__field {
    margin-top: 1rem;
}

.auth__search {
    margin-top: 1px;
}

.auth__field label {
    display: block;
    margin: 0 0 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition-normal);
}

.auth__field:focus-within label {
    color: var(--color-primary);
}

.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: 0.75rem 0.9rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: rgba(18, 26, 40, 0.6);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-smooth);
}

.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: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1),
                0 0 20px rgba(59, 130, 246, 0.06);
    background: rgba(18, 26, 40, 0.9);
    transform: translateY(-1px);
}

.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: 0.6rem 1rem;
    border: 0;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #ffffff;
    font-weight: 600;
    font-family: var(--font-family);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.auth__field input[type="file"]::file-selector-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.auth__field input[type="file"]::file-selector-button:active {
    transform: translateY(0);
}

/* ─── Actions ─── */
.auth__actions {
    margin-top: 1.25rem;
}

.auth__submit {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 0;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    background-size: 200% 200%;
    color: #ffffff;
    font-weight: 600;
    font-family: var(--font-family);
    font-size: 0.93rem;
    letter-spacing: 0.2px;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
    position: relative;
    overflow: hidden;
}

/* Shimmer effect on button */
.auth__submit::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    transition: left 0.5s ease;
}

.auth__submit:hover::before {
    left: 100%;
}

.auth__submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.4);
}

.auth__submit:active {
    transform: translateY(0) scale(0.98);
}

.auth__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth__submit:disabled::before {
    display: none;
}

/* Danger button variant */
.auth__submit--danger {
    background: linear-gradient(135deg, var(--color-danger), #dc2626);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.25);
}

.auth__submit--danger:hover {
    box-shadow: 0 8px 28px rgba(239, 68, 68, 0.4);
}

/* ─── 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: 0.88rem;
}

.auth__muted a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
}

.auth__muted a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-primary);
    transition: width var(--transition-smooth);
}

.auth__muted a:hover {
    color: var(--color-primary-hover);
}

.auth__muted a:hover::after {
    width: 100%;
}

/* ─── Side Card ─── */
.auth__sideCard {
    padding: 1.25rem;
}

.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, 0.1);
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 900px) {
    .auth {
        padding: 1.5rem 1rem 3rem;
        min-height: auto;
    }

    .auth__grid {
        width: min(480px, 100%);
    }

    .auth__grid.auth__card__side {
        grid-template-columns: 1fr;
        justify-items: center;
        width: min(480px, 100%);
    }

    .auth__grid.auth__card__side .auth__card {
        width: 100%;
    }

    .auth__grid.auth__card__side .auth__card.auth__card__side__picture {
        width: 100%;
        justify-self: stretch;
    }

    .auth__grid.auth__card__side .auth__card.auth__card__side__picture img {
        max-width: 100%;
        width: auto;
        max-height: 200px;
        margin: 0 auto;
        display: block;
    }

    .auth__logo {
        width: 120px;
    }

    .auth__sideCard {
        display: none;
    }
}

@media (max-width: 520px) {
    .auth {
        padding: 1rem 0.75rem 2rem;
    }

    .auth::before {
        width: 250px;
        height: 250px;
    }

    .auth__card {
        padding: 1.25rem;
        border-radius: var(--radius-md);
    }

    .auth__header {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .auth__logo {
        width: 120px;
        grid-row: auto;
        margin-bottom: 0.5rem;
    }

    .auth__title {
        font-size: 1.2rem;
    }

    .auth__subtitle {
        font-size: 0.88rem;
    }

    .auth__field input[type="text"],
    .auth__field input[type="password"],
    .auth__field input[type="email"],
    .auth__field input[type="file"] {
        padding: 0.7rem 0.8rem;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .auth__submit {
        padding: 0.85rem 1rem;
        font-size: 0.95rem;
        min-height: 48px;
    }

    .auth__muted {
        font-size: 0.82rem;
    }
}

@media (max-width: 380px) {
    .auth {
        padding: 0.75rem 0.5rem 1.5rem;
    }

    .auth__card {
        padding: 1rem;
    }

    .auth__logo {
        width: 100px;
    }

    .auth__title {
        font-size: 1.1rem;
    }

    .auth__grid.auth__card__side .auth__card.auth__card__side__picture img {
        max-height: 160px;
    }
}