/* ═══════════════════════════════════════════
   DESIGN.EYEZ — Design System
   Scandinavian minimal · Light · Spacious
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500&display=swap');

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

/* ── Tokens ─────────────────────────────── */
:root {
    --bg: #fafafa;
    --bg-card: #ffffff;
    --bg-soft: #f5f3f0;
    --bg-input: #ffffff;
    --bg-hover: #f8f6f3;

    --text: #1a1a1a;
    --text-light: #6b6b6b;
    --text-muted: #a3a3a3;
    --text-faint: #c8c8c8;

    --border: #ebebeb;
    --border-focus: #c5c5c5;

    --accent: #3d3d3d;
    --accent-soft: #e8e4df;
    --accent-warm: #c4a882;

    --pastel-rose: #f2e6e6;
    --pastel-sage: #e4ebe4;
    --pastel-sky: #e4e8ef;
    --pastel-sand: #efe9e0;

    --radius: 2px;
    --radius-lg: 6px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.06);

    --font: 'Inter', -apple-system, sans-serif;
    --tracking: 0.02em;
    --tracking-wide: 0.12em;
}

/* ── Base ───────────────────────────────── */
html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    letter-spacing: var(--tracking);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ── Layout ─────────────────────────────── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.page {
    padding: 80px 0 120px;
}

.page-narrow {
    max-width: 520px;
    margin: 0 auto;
    padding: 120px 40px;
}

/* ── Typography ─────────────────────────── */
.heading-xl {
    font-size: 1.4rem;
    font-weight: 200;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.heading-lg {
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.heading-md {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.heading-sm {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-light);
}

.text-sm {
    font-size: 0.75rem;
    color: var(--text-light);
}

.text-xs {
    font-size: 0.65rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-muted);
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

/* ── Navbar ─────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 40px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.navbar-link {
    font-size: 0.65rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s;
    position: relative;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--text);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text);
    transition: width 0.3s;
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

/* ── Product Grid ───────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 32px;
}

.grid-brands {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

/* ── Product Card ───────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.card:hover {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.card-image {
    background: var(--bg-soft);
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 210px;
    overflow: hidden;
}

.card-image img {
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover .card-image img {
    transform: scale(1.04);
}

.card-image-placeholder {
    font-size: 0.6rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-faint);
    text-transform: uppercase;
}

.card-body {
    padding: 20px 22px 24px;
}

.card-optician {
    font-size: 0.6rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.card-name {
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: 8px;
    min-height: 36px;
}

.card-price {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-bottom: 18px;
}

.card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-link {
    font-size: 0.65rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--accent);
    border-bottom: 1px solid var(--accent);
    padding-bottom: 1px;
    transition: opacity 0.3s;
}

.card-link:hover {
    opacity: 0.6;
}

.card-wishlist {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all 0.3s;
    border-radius: 50%;
}

.card-wishlist:hover {
    color: var(--accent-warm);
    background: var(--pastel-sand);
}

.card-wishlist.active {
    color: #c07a5a;
}

/* ── Brand Card ─────────────────────────── */
.brand-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-card:hover {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.brand-card h2 {
    font-size: 1.2rem;
    font-weight: 200;
    letter-spacing: 0.3em;
    margin-bottom: 12px;
}

.brand-card p {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.brand-card .count {
    display: inline-block;
    margin-top: 20px;
    font-size: 0.6rem;
    letter-spacing: var(--tracking-wide);
    color: var(--text-faint);
    text-transform: uppercase;
    border: 1px solid var(--border);
    padding: 6px 16px;
    border-radius: 20px;
}

/* ── Filter Bar ─────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
    font-family: var(--font);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text);
    outline: none;
    transition: border-color 0.3s;
    appearance: none;
    -webkit-appearance: none;
}

.filter-bar input:focus,
.filter-bar select:focus {
    border-color: var(--border-focus);
}

.filter-bar input {
    width: 200px;
}

.filter-bar select {
    min-width: 160px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6' fill='none' stroke='%23a3a3a3' stroke-width='1.2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.filter-count {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: var(--tracking-wide);
    margin-left: auto;
}

/* ── Buttons ────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
    font-size: 0.68rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    padding: 11px 28px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: #2a2a2a;
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-ghost {
    background: none;
    color: var(--text-muted);
    padding: 8px 16px;
}

.btn-ghost:hover {
    color: var(--text);
}

.btn-danger {
    background: #f5e6e6;
    color: #8b4444;
    border: none;
}

.btn-danger:hover {
    background: #edd5d5;
}

/* ── Forms ──────────────────────────────── */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    font-family: var(--font);
    font-size: 0.85rem;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text);
    outline: none;
    transition: border-color 0.3s;
    letter-spacing: 0.04em;
}

.form-input:focus {
    border-color: var(--border-focus);
}

.form-input::placeholder {
    color: var(--text-faint);
}

/* OTP input */
.otp-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 32px 0;
}

.otp-input {
    width: 40px;
    height: 52px;
    text-align: center;
    font-family: var(--font);
    font-size: 1.2rem;
    font-weight: 300;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.3s;
}

.otp-input:focus {
    border-color: var(--accent);
}

/* ── Login page ─────────────────────────── */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 40px;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 56px 48px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-box h1 {
    font-size: 0.85rem;
    font-weight: 200;
    letter-spacing: 0.35em;
    margin-bottom: 8px;
}

.login-box .subtitle {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 40px;
}

/* ── History list ───────────────────────── */
.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 8px;
    transition: border-color 0.3s;
}

.history-item:hover {
    border-color: var(--border-focus);
}

.history-item .info {
    flex: 1;
}

.history-item .name {
    font-size: 0.78rem;
    margin-bottom: 2px;
}

.history-item .meta {
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.history-item .time {
    font-size: 0.6rem;
    color: var(--text-faint);
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* ── Admin ──────────────────────────────── */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
}

.stat-card .label {
    font-size: 0.6rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 1.8rem;
    font-weight: 200;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.admin-table th {
    text-align: left;
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
}

.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: var(--bg-hover);
}

/* ── Toast / Notifications ──────────────── */
.toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--accent);
    color: #fff;
    padding: 14px 24px;
    border-radius: var(--radius-lg);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ── Loading ────────────────────────────── */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 1.5px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 12px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Empty State ────────────────────────── */
.empty-state {
    text-align: center;
    padding: 80px 40px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 2rem;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .page {
        padding: 72px 0 80px;
    }

    .navbar {
        padding: 0 20px;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }

    .grid-brands {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        gap: 10px;
    }

    .filter-bar input {
        width: 100%;
    }

    .card-image {
        height: 160px;
        padding: 20px;
    }

    .card-body {
        padding: 14px 16px 18px;
    }

    .login-box {
        padding: 40px 28px;
    }

    .brand-card {
        padding: 32px 24px;
    }

    .navbar-links {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .navbar-brand {
        font-size: 0.65rem;
    }

    .grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .card-name {
        font-size: 0.72rem;
        min-height: auto;
    }
}

/* ── Pagination ─────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 32px 0 16px;
}

.page-btn {
    font-family: var(--font);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s;
    min-width: 36px;
    text-align: center;
}

.page-btn:hover {
    border-color: var(--border-focus);
    color: var(--text);
    background: var(--bg-hover);
}

.page-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.page-ellipsis {
    font-size: 0.75rem;
    color: var(--text-faint);
    padding: 0 4px;
}

/* ── Animations ─────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.5s ease both;
}

.fade-in-delay-1 {
    animation-delay: 0.1s;
}

.fade-in-delay-2 {
    animation-delay: 0.2s;
}

.fade-in-delay-3 {
    animation-delay: 0.3s;
}

/* ── Mobile Responsive ─────────────────── */
@media (max-width: 768px) {

    /* Navbar */
    .navbar {
        flex-direction: column;
        gap: 8px;
        padding: 12px 16px;
    }

    .navbar-links {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .navbar-link {
        font-size: 0.6rem;
    }

    /* Container */
    .container {
        padding: 0 16px;
    }

    .page {
        padding-top: 80px !important;
    }

    /* Typography */
    .heading-xl {
        font-size: 1.4rem;
    }

    .heading-lg {
        font-size: 1rem;
    }

    /* Product grid */
    .grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .card-name {
        font-size: 0.58rem;
    }

    .card-price {
        font-size: 0.6rem;
    }

    .card-optician {
        font-size: 0.5rem;
    }

    .card-link {
        font-size: 0.55rem;
        padding: 8px 12px;
    }

    /* Filter bar */
    .filter-bar {
        flex-direction: column;
        gap: 8px;
    }

    .filter-bar input,
    .filter-bar select {
        width: 100%;
    }

    /* Admin tab bar */
    .tab-bar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 4px;
        gap: 0;
    }

    .tab {
        flex-shrink: 0;
        font-size: 0.55rem;
        padding: 10px 14px;
    }

    /* Admin tables */
    .admin-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 0.6rem;
    }

    .admin-section-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    /* Admin grid (stats) */
    .admin-grid {
        grid-template-columns: 1fr;
    }

    /* Brand showcase grid */
    .brand-grid {
        grid-template-columns: 1fr;
    }

    /* Modals */
    .modal {
        width: 95%;
        max-width: none;
        margin: 20px;
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        gap: 4px;
    }

    .page-btn {
        font-size: 0.6rem;
        padding: 8px 12px;
    }

    /* Toggle */
    .toggle-row {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {

    /* Even smaller screens */
    .grid {
        grid-template-columns: 1fr;
    }

    .heading-xl {
        font-size: 1.1rem;
    }

    .navbar-brand {
        font-size: 0.65rem;
    }

    .card-actions {
        flex-direction: column;
        gap: 4px;
    }

    .hero-title {
        font-size: 1.8rem;
    }
}