/* ============================================
   oneBase - Clean Minimalist Design
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-border: #e5e7eb;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-accent: #6366f1;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Product colors */
    --gravbase: #6366f1;
    --petbase: #ec4899;
    --predprodejka: #f59e0b;
    --teambase: #10b981;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.12);

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    --transition: all 0.2s ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section--alt {
    background: var(--color-surface);
}

/* ============================================
   Navigation
   ============================================ */
/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
}

.navbar__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar__brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar__logo {
    height: 16px;
    width: auto;
}

/* Center nav links */
.navbar__center {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
}

/* Right section */
.navbar__right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.navbar__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all 0.15s;
    white-space: nowrap;
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
}

.navbar__link:hover,
.navbar__link--active {
    color: var(--color-text);
    background: rgba(0, 0, 0, 0.04);
}

.navbar__link--ghost {
    color: var(--color-text-secondary);
    font-size: 0.82rem;
}

.navbar__link--cta {
    background: var(--color-primary);
    color: white !important;
    padding: 7px 18px;
    font-weight: 600;
    border-radius: 8px;
}

.navbar__link--cta:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Products Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown__trigger {
    gap: 5px;
}

.nav-dropdown__trigger svg {
    transition: transform 0.2s;
}

.nav-dropdown--open .nav-dropdown__trigger svg {
    transform: rotate(180deg);
}

.nav-dropdown__menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 480px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.05);
    padding: 12px;
    animation: dropdownFadeIn 0.15s ease;
}

.nav-dropdown--open .nav-dropdown__menu {
    display: block;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.nav-dropdown__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.nav-dropdown__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
    transition: background 0.15s;
}

.nav-dropdown__item:hover {
    background: #f8fafc;
}

.nav-dropdown__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    flex-shrink: 0;
}

.nav-dropdown__item div {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.nav-dropdown__item strong {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.nav-dropdown__item span {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Toggle */
.navbar__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    margin: 4px 0;
    transition: all 0.25s;
}

.navbar__toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
.navbar__toggle--active span:nth-child(2) {
    opacity: 0;
}
.navbar__toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero__title span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn--primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn--primary:hover {
    background: var(--color-primary-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

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

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn--block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Product Cards
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: white;
}

.product-card__icon--gravbase { background: linear-gradient(135deg, #6366f1, #818cf8); }
.product-card__icon--petbase { background: linear-gradient(135deg, #ec4899, #f472b6); }
.product-card__icon--predprodejka { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.product-card__icon--teambase { background: linear-gradient(135deg, #10b981, #34d399); }

.product-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-card__tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.product-card__status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
}

.status--active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.status--coming_soon {
    background: rgba(107, 114, 128, 0.1);
    color: var(--color-text-secondary);
}

.status--presale {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

/* ============================================
   Product Page
   ============================================ */
.product-hero {
    padding: 10rem 0 4rem;
    text-align: center;
}

.product-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.product-hero__title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.product-hero__desc {
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 2rem;
    color: var(--color-text-secondary);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.feature-card__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Forms - Custom + Nette auto-generated
   ============================================ */
.form {
    max-width: 480px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--color-surface);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group .error {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    display: block;
}

/* ===== Nette auto-generated form styling ===== */
form table {
    width: 100%;
    border-collapse: collapse;
}

form table tr {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.25rem;
}

form table th {
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0 0 0.5rem 0;
    color: var(--color-text);
}

form table td {
    padding: 0;
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="tel"],
form input[type="url"],
form input[type="number"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--color-surface);
    color: var(--color-text);
    box-sizing: border-box;
}

form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--color-surface);
    color: var(--color-text);
    min-height: 120px;
    resize: vertical;
    box-sizing: border-box;
}

form select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--color-surface);
    color: var(--color-text);
    box-sizing: border-box;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

form input[type="text"]:focus,
form input[type="email"]:focus,
form input[type="password"]:focus,
form input[type="tel"]:focus,
form textarea:focus,
form select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

form input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

form input[type="submit"],
form button[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
    margin-top: 0.5rem;
}

form input[type="submit"]:hover,
form button[type="submit"]:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

form .error,
form .validation-error {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    display: block;
}

form ul.error {
    list-style: none;
    padding: 1rem 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    color: #991b1b;
    font-size: 0.9rem;
}

form ul.error li {
    margin-bottom: 0.25rem;
}

form ul.error li:last-child {
    margin-bottom: 0;
}

/* Inline form (newsletter) */
.form--inline {
    display: flex;
    gap: 0.75rem;
    max-width: 500px;
    margin: 0 auto;
    align-items: stretch;
}

.form--inline input[type="email"],
.form--inline input[type="text"] {
    flex: 1;
    padding: 0.85rem 1.25rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background: var(--color-surface);
    color: var(--color-text);
    transition: var(--transition);
    min-width: 0;
}

.form--inline input[type="email"]:focus,
.form--inline input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form--inline .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

/* ============================================
   Flash Messages
   ============================================ */
.flash {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.flash--success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.flash--error {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.flash--info {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 2rem;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__brand {
    margin-bottom: 1rem;
}

.footer__logo {
    height: 28px;
    width: auto;
}

.footer__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer__heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 1.25rem;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.75rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer__links a:hover {
    color: white;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header__label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.section-header__title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-header__desc {
    max-width: 550px;
    margin: 0 auto;
    color: var(--color-text-secondary);
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    padding: 3rem 0;
}

.stat__number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.03em;
}

.stat__label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    text-align: center;
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(37, 99, 235, 0.05));
    border-radius: var(--radius-lg);
    margin: 3rem 0;
}

.cta__title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta__desc {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Coming Soon Badge
   ============================================ */
.badge--coming-soon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.1));
    color: var(--color-success);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================
   Auth Pages
   ============================================ */
.auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth__card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.auth__title {
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth__subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.auth__footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Admin
   ============================================ */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
    padding-top: 64px;
}

.admin-sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 2rem 1rem;
}

.admin-sidebar__nav {
    list-style: none;
}

.admin-sidebar__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    transition: var(--transition);
}

.admin-sidebar__link:hover,
.admin-sidebar__link--active {
    background: rgba(37, 99, 235, 0.05);
    color: var(--color-primary);
}

.admin-content {
    padding: 2rem 3rem;
}

.admin-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.admin-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.admin-table th {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Admin Ticket Detail
   ============================================ */
.admin-td-label {
    display: block;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.25rem;
}

.admin-msg {
    border-left: 4px solid var(--color-border);
}
.admin-msg--user {
    border-left-color: var(--color-primary);
}
.admin-msg--staff {
    border-left-color: #10b981;
}
.admin-msg--internal {
    border-left-color: #f59e0b;
    background: rgba(245,158,11,0.03);
}

.admin-msg__header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.admin-msg__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}
.admin-msg__avatar--user {
    background: rgba(37,99,235,0.1);
    color: var(--color-primary);
}
.admin-msg__avatar--staff {
    background: rgba(16,185,129,0.1);
    color: #10b981;
}

.admin-msg__badge {
    display: inline-block;
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: 100px;
    font-weight: 700;
    margin-left: 0.3rem;
    vertical-align: middle;
}
.admin-msg__badge--user {
    background: rgba(37,99,235,0.1);
    color: var(--color-primary);
}
.admin-msg__badge--staff {
    background: rgba(16,185,129,0.1);
    color: #10b981;
}
.admin-msg__badge--internal {
    background: rgba(245,158,11,0.15);
    color: #f59e0b;
}

.admin-msg__time {
    margin-left: auto;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.admin-msg__body {
    line-height: 1.7;
    color: var(--color-text-secondary);
    padding-left: 2.6rem;
}

.admin-msg__files {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.75rem;
    padding-left: 2.6rem;
}

.admin-msg__file {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    background: rgba(37,99,235,0.06);
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    max-width: fit-content;
}
.admin-msg__file:hover {
    background: rgba(37,99,235,0.12);
}
.admin-msg__file span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 250px;
}
.admin-msg__file small {
    opacity: 0.6;
    font-size: 0.72rem;
}

.admin-meta-item {
    padding: 0.6rem 0.8rem;
    background: rgba(37,99,235,0.04);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

/* Admin dropzone */
.admin-dropzone {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    overflow: hidden;
}
.admin-dropzone:hover,
.admin-dropzone--active {
    border-color: var(--color-primary);
    background: rgba(37,99,235,0.02);
}
.admin-dropzone__input {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}
.admin-dropzone__content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1rem;
    color: var(--color-text-secondary);
    font-size: 0.82rem;
}
.admin-dropzone__files {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.6rem;
}
.admin-dropzone__file {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    background: rgba(37,99,235,0.06);
    font-size: 0.78rem;
    color: var(--color-primary);
}
.admin-dropzone__file small {
    opacity: 0.6;
    margin-left: auto;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .navbar__center {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 12px 16px;
        box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    }

    .navbar__center--open {
        display: flex;
    }

    .navbar__right {
        display: none;
    }

    .navbar__toggle {
        display: block;
        margin-left: auto;
    }

    .nav-dropdown__menu {
        position: static;
        transform: none;
        width: 100%;
        box-shadow: none;
        border: 1px solid var(--color-border);
        padding: 8px;
        margin-top: 4px;
        border-radius: 10px;
    }

    .nav-dropdown__grid {
        grid-template-columns: 1fr;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-content {
        padding: 1.5rem 1rem;
    }

    .admin-sidebar {
        padding: 1rem;
    }

    .form--inline {
        flex-direction: column;
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .section { padding: 3rem 0; }
    .container { padding: 0 1rem; }

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

/* ============================================
   UX Enhancements — Global
   ============================================ */

/* --- Loading Button States --- */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}
.btn-loading::after {
    content: '';
    position: absolute;
    right: 12px;
    top: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ob-spin 0.6s linear infinite;
}
@keyframes ob-spin {
    to { transform: rotate(360deg); }
}

/* For dark buttons */
.btn-loading--dark::after {
    border-color: rgba(0,0,0,0.15);
    border-top-color: var(--color-text);
}

/* --- Form Validation --- */
.ob-field { position: relative; margin-bottom: 16px; }
.ob-field label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--color-text); margin-bottom: 6px; }
.ob-field label .ob-required { color: var(--color-error); margin-left: 2px; }
.ob-field input,
.ob-field select,
.ob-field textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.ob-field input:focus,
.ob-field select:focus,
.ob-field textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}
.ob-field--error input,
.ob-field--error select,
.ob-field--error textarea {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}
.ob-field__error {
    display: none;
    font-size: 0.78rem;
    color: var(--color-error);
    margin-top: 4px;
    padding-left: 2px;
}
.ob-field--error .ob-field__error { display: block; }

.ob-field--success input { border-color: var(--color-success); }

/* --- Password Visibility Toggle --- */
.ob-pw-wrap { position: relative; }
.ob-pw-wrap input { padding-right: 44px; }
.ob-pw-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 4px;
    display: flex;
    align-items: center;
}
.ob-pw-toggle:hover { color: var(--color-text); }

/* --- Toast Notifications --- */
.ob-toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.ob-toast {
    pointer-events: auto;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: #fff;
    background: var(--color-text);
    box-shadow: var(--shadow-lg);
    animation: ob-toast-in 0.3s ease forwards;
    max-width: 360px;
}
.ob-toast--success { background: var(--color-success); }
.ob-toast--error { background: var(--color-error); }
.ob-toast--warning { background: #d97706; }
.ob-toast--info { background: var(--color-primary); }
.ob-toast--out { animation: ob-toast-out 0.3s ease forwards; }
@keyframes ob-toast-in {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes ob-toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* --- Empty States --- */
.ob-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}
.ob-empty__icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}
.ob-empty__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}
.ob-empty__text {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    max-width: 320px;
}
.ob-empty__action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}
.ob-empty__action:hover { background: var(--color-primary-hover); color: #fff; }

/* --- Pagination --- */
.ob-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 20px 0;
}
.ob-pagination a,
.ob-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}
.ob-pagination a { color: var(--color-text-secondary); background: var(--color-surface); border: 1px solid var(--color-border); }
.ob-pagination a:hover { background: var(--color-bg); color: var(--color-primary); border-color: var(--color-primary); }
.ob-pagination .ob-pagination--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); pointer-events: none; }
.ob-pagination .ob-pagination--disabled { opacity: 0.4; pointer-events: none; }
.ob-pagination__info { font-size: 0.82rem; color: var(--color-text-secondary); margin-left: 12px; }

/* --- Confirm Modal --- */
.ob-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: ob-fade-in 0.15s ease;
}
.ob-modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    animation: ob-scale-in 0.2s ease;
}
.ob-modal__title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.ob-modal__text { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 24px; line-height: 1.5; }
.ob-modal__actions { display: flex; gap: 10px; justify-content: flex-end; }
.ob-modal__btn {
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: var(--transition);
}
.ob-modal__btn--cancel { background: var(--color-bg); color: var(--color-text-secondary); }
.ob-modal__btn--cancel:hover { background: var(--color-border); }
.ob-modal__btn--danger { background: var(--color-error); color: #fff; }
.ob-modal__btn--danger:hover { background: #dc2626; }
.ob-modal__btn--primary { background: var(--color-primary); color: #fff; }
.ob-modal__btn--primary:hover { background: var(--color-primary-hover); }
@keyframes ob-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes ob-scale-in { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* --- Skip to Content (a11y) --- */
.ob-skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    padding: 12px 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 99999;
    transition: top 0.2s;
}
.ob-skip-link:focus { top: 16px; color: #fff; }

/* --- Breadcrumb --- */
.ob-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.ob-breadcrumb a { color: var(--color-text-secondary); text-decoration: none; }
.ob-breadcrumb a:hover { color: var(--color-primary); }
.ob-breadcrumb__sep { color: var(--color-border); }

/* --- Responsive table wrapper --- */
.ob-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

/* --- Focus visible for keyboard nav --- */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}