/* ============================================
   GrupBul - Complete Stylesheet
   Professional, hand-crafted design system
   ============================================ */

/* ----------------------------------------
   CSS Custom Properties
   ---------------------------------------- */
:root {
    /* Colors - Light Mode */
    --bg-primary: #F8F7F4;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F0EDE8;
    --bg-hover: #EBE8E2;
    --bg-accent: rgba(79, 70, 229, 0.06);
    --bg-accent-hover: rgba(79, 70, 229, 0.12);

    --text-primary: #1C1917;
    --text-secondary: #57534E;
    --text-tertiary: #A8A29E;
    --text-inverse: #FFFFFF;
    --text-link: #4338CA;
    --text-link-hover: #3730A3;

    --accent: #4F46E5;
    --accent-hover: #4338CA;
    --accent-light: #EEF2FF;

    --success: #059669;
    --success-bg: #ECFDF5;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --error: #DC2626;
    --error-bg: #FEF2F2;
    --info: #2563EB;
    --info-bg: #EFF6FF;

    --border: #E7E5E4;
    --border-strong: #D6D3D1;
    --border-focus: var(--accent);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.06), 0 4px 6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.08), 0 8px 10px rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'DM Mono', 'Courier New', monospace;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.25rem;

    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    --lh-tight: 1.2;
    --lh-normal: 1.5;
    --lh-relaxed: 1.7;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --container-max: 1200px;
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----------------------------------------
   Dark Mode
   ---------------------------------------- */
[data-theme="dark"] {
    --bg-primary: #0F0F0F;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #252525;
    --bg-hover: #2A2A2A;
    --bg-accent: rgba(129, 140, 248, 0.1);
    --bg-accent-hover: rgba(129, 140, 248, 0.18);

    --text-primary: #F5F5F4;
    --text-secondary: #A8A29E;
    --text-tertiary: #78716C;
    --text-inverse: #1C1917;
    --text-link: #818CF8;
    --text-link-hover: #A5B4FC;

    --accent: #818CF8;
    --accent-hover: #A5B4FC;
    --accent-light: rgba(129, 140, 248, 0.12);

    --success: #34D399;
    --success-bg: rgba(52, 211, 153, 0.1);
    --warning: #FBBF24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    --error: #F87171;
    --error-bg: rgba(248, 113, 113, 0.1);
    --info: #60A5FA;
    --info-bg: rgba(96, 165, 250, 0.1);

    --border: #2A2A2A;
    --border-strong: #3A3A3A;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.35), 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4), 0 8px 10px rgba(0, 0, 0, 0.2);
}

/* Dark Mode Logo Switching */
[data-theme="dark"] .logo.has-dark-logo .logo-light { display: none !important; }
[data-theme="dark"] .logo.has-dark-logo .logo-dark { display: block !important; }

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

a:hover {
    color: var(--text-link-hover);
}

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: var(--fw-regular);
    line-height: var(--lh-tight);
    color: var(--text-primary);
}

h1 {
    font-size: var(--fs-4xl);
}

h2 {
    font-size: var(--fs-3xl);
}

h3 {
    font-size: var(--fs-2xl);
}

h4 {
    font-size: var(--fs-xl);
}

/* ----------------------------------------
   Accessibility
   ---------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--accent);
    color: white;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-weight: var(--fw-medium);
}

.skip-link:focus {
    top: var(--space-4);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ----------------------------------------
   Container
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* ----------------------------------------
   Header
   ---------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-8);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: white;
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: var(--fw-regular);
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast);
}

.logo:hover .logo-mark {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-header);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-family: var(--font-header);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--accent);
    background: var(--bg-accent);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

[data-theme="light"] .theme-icon-dark {
    display: none;
}

[data-theme="dark"] .theme-icon-light {
    display: none;
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.user-menu-trigger:hover {
    background: var(--bg-hover);
}

.user-avatar-sm {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: white;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-full);
}

.user-name-sm {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
}

.user-menu-trigger .material-symbols-outlined {
    font-size: 18px;
    color: var(--text-tertiary);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 100;
}

.user-menu.open .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.user-menu-dropdown a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.user-menu-dropdown a .material-symbols-outlined {
    font-size: 20px;
}

.user-menu-dropdown .menu-divider {
    height: 1px;
    background: var(--border);
    margin: var(--space-2) 0;
}

.text-danger {
    color: var(--error) !important;
}

.text-danger:hover {
    background: var(--error-bg) !important;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 20px;
}

.hamburger span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-nav-overlay.visible {
    opacity: 1;
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        padding: var(--space-6);
        gap: var(--space-2);
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        z-index: 1000;
        overflow-y: auto;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .main-nav .nav-link {
        font-size: var(--fs-md);
        padding: var(--space-3) var(--space-4);
        width: 100%;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-nav-overlay.visible {
        pointer-events: auto;
    }

    .header-actions .btn {
        display: none;
    }

    .user-name-sm {
        display: none;
    }
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1;
}

.btn .material-symbols-outlined {
    font-size: 18px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-strong);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-outline {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: white;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--fs-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--fs-base);
}

.btn-block {
    width: 100%;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ----------------------------------------
   Forms
   ---------------------------------------- */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
}

.form-label .required {
    color: var(--error);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-base);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    line-height: var(--lh-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--bg-accent);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2378716C' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    margin-top: var(--space-1);
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

.form-error {
    margin-top: var(--space-1);
    font-size: var(--fs-xs);
    color: var(--error);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Checkbox / Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.form-check-label {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

/* ----------------------------------------
   Cards
   ---------------------------------------- */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.card-body {
    padding: var(--space-5);
}

.card-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border);
}

.card-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
}

/* ----------------------------------------
   Group Card - EQUAL HEIGHT GRID FIX
   ---------------------------------------- */
.group-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.group-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.group-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.group-platform-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    flex-shrink: 0;
    overflow: hidden;
    color: var(--text-primary);
}

.group-platform-badge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.group-card-title {
    font-family: var(--font-body);
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
    line-height: 1.4;
}

.group-card-title a {
    color: inherit;
}

.group-card-title a:hover {
    color: var(--accent);
}

.group-card-platform {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
}

.group-card-desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    min-height: 3.6em;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.group-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
    margin-top: auto;
    flex-wrap: wrap;
}

.group-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.group-card-meta .material-symbols-outlined {
    font-size: 16px;
}

.group-card-actions {
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--border);
}

/* ----------------------------------------
   Blog Card - EQUAL HEIGHT GRID FIX
   ---------------------------------------- */
.blog-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card-image {
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.03);
}

.blog-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.blog-card-title {
    font-family: var(--font-body);
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    line-height: var(--lh-normal);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

.blog-card-title a {
    color: inherit;
}

.blog-card-title a:hover {
    color: var(--accent);
}

.blog-card-excerpt {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.6em;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.blog-card-date {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-3);
}

/* ----------------------------------------
   Grid Layouts
   ---------------------------------------- */
.grid {
    display: grid;
    gap: var(--space-6);
    align-items: stretch;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid>.card {
    height: 100%;
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------------------
   Alerts
   ---------------------------------------- */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-4);
    border: 1px solid transparent;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success);
}

.alert-error {
    background: var(--error-bg);
    color: var(--error);
    border-color: var(--error);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: var(--warning);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info);
    border-color: var(--info);
}

.flash-container {
    position: relative;
    z-index: 999;
}

/* ----------------------------------------
   Pagination
   ---------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.page-link:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
    background: var(--bg-hover);
}

.page-link.active {
    color: white;
    background: var(--accent);
    border-color: var(--accent);
}

/* ----------------------------------------
   Badges
   ---------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-full);
    line-height: 1;
    white-space: nowrap;
}

.badge-primary {
    background: var(--accent-light);
    color: var(--accent);
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-error {
    background: var(--error-bg);
    color: var(--error);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
    padding: var(--space-20) 0 var(--space-16);
    text-align: center;
}

.hero-eyebrow {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: var(--space-4);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.hero h1 em {
    font-style: italic;
    color: var(--accent);
}

.hero-subtitle {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: var(--lh-relaxed);
}

.hero-search {
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.hero-search-form {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    min-height: 56px;
}

.hero-search-form .material-symbols-outlined {
    font-size: 22px;
    color: var(--text-tertiary);
    margin-left: var(--space-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hero-search-form:focus-within {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg), 0 0 0 3px var(--bg-accent);
}

.hero-search-form input {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--space-2) var(--space-4);
    font-size: var(--fs-base);
    color: var(--text-primary);
    outline: none;
    min-width: 0;
    height: 40px;
}

.hero-search-form input::placeholder {
    color: var(--text-tertiary);
}

.hero-search-form .btn {
    flex-shrink: 0;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

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

.hero-stat-number {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    color: var(--text-primary);
    font-weight: var(--fw-regular);
}

.hero-stat-label {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ----------------------------------------
   Section Styles
   ---------------------------------------- */
.section {
    padding: var(--space-16) 0;
}

.section-alt {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    gap: var(--space-4);
}

.section-title {
    font-size: var(--fs-2xl);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-top: var(--space-2);
    font-family: var(--font-body);
}

/* ----------------------------------------
   Category Cards (Home)
   ---------------------------------------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.category-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}

.category-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-accent);
    color: var(--accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}

.category-card-icon .material-symbols-outlined {
    font-size: 24px;
}

.category-card-name {
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-1);
}

.category-card-count {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

/* ----------------------------------------
   Filters
   ---------------------------------------- */
.filters-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.filter-chip:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.filter-chip.active {
    color: var(--accent);
    background: var(--accent-light);
    border-color: var(--accent);
}

/* ----------------------------------------
   Auth Pages
   ---------------------------------------- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - 200px);
    padding: var(--space-8) 0;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.auth-card h2 {
    font-size: var(--fs-xl);
    text-align: center;
    margin-bottom: var(--space-1);
}

.auth-card .auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-6);
}

.auth-card .auth-footer {
    text-align: center;
    margin-top: var(--space-5);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0;
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ----------------------------------------
   Group Detail Page
   ---------------------------------------- */
.group-detail {
    padding: var(--space-8) 0;
}

.group-detail-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.group-detail-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.group-detail-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.group-detail-info {
    flex: 1;
}

.group-detail-info h1 {
    font-family: var(--font-body);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-2);
}

.group-detail-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.group-detail-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.group-detail-meta .material-symbols-outlined {
    font-size: 18px;
}

.group-detail-body {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-8);
}

.group-detail-content {
    font-size: var(--fs-base);
    line-height: var(--lh-relaxed);
    color: var(--text-secondary);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.group-detail-content p {
    margin-bottom: var(--space-4);
}

.group-detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.sidebar-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}

.sidebar-card h4 {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.sidebar-card .btn {
    width: 100%;
}

@media (max-width: 768px) {
    .group-detail-body {
        grid-template-columns: 1fr;
    }

    .group-detail-sidebar {
        position: static;
    }

    .group-detail-header {
        flex-direction: column;
        gap: var(--space-4);
    }
}

/* ----------------------------------------
   Profile Page
   ---------------------------------------- */
.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-6);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    flex-shrink: 0;
}

.profile-info h2 {
    font-family: var(--font-body);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-1);
}

.profile-info p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.profile-tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-6);
    overflow-x: auto;
}

.profile-tab {
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.profile-tab:hover {
    color: var(--text-primary);
}

.profile-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ----------------------------------------
   Blog Page
   ---------------------------------------- */
.blog-hero {
    padding: var(--space-12) 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.blog-hero h1 {
    font-size: var(--fs-3xl);
    margin-bottom: var(--space-2);
}

.blog-hero p {
    color: var(--text-secondary);
    font-size: var(--fs-lg);
}

.blog-content {
    max-width: 780px;
    margin: 0 auto;
    font-size: var(--fs-md);
    line-height: var(--lh-relaxed);
    color: var(--text-secondary);
}

.blog-content h2 {
    font-size: var(--fs-2xl);
    margin: var(--space-8) 0 var(--space-4);
    color: var(--text-primary);
}

.blog-content h3 {
    font-size: var(--fs-xl);
    margin: var(--space-6) 0 var(--space-3);
    color: var(--text-primary);
}

.blog-content p {
    margin-bottom: var(--space-4);
}

.blog-content ul,
.blog-content ol {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
}

.blog-content li {
    margin-bottom: var(--space-2);
    list-style: disc;
}

.blog-content img {
    border-radius: var(--radius-md);
    margin: var(--space-6) 0;
}

.blog-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-style: italic;
}

/* ----------------------------------------
   Search Page
   ---------------------------------------- */
.search-results .grid {
    gap: var(--space-5);
}

.search-page-header {
    margin-bottom: var(--space-6);
}

.search-results-count {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.search-results-count strong {
    color: var(--text-primary);
    font-weight: var(--fw-semibold);
}

/* ----------------------------------------
   Admin Panel
   ---------------------------------------- */
.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - var(--header-height));
}

.admin-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: var(--space-6) var(--space-4);
}

.admin-sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-1);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.admin-sidebar-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.admin-sidebar-nav a.active {
    color: var(--accent);
    background: var(--bg-accent);
}

.admin-sidebar-nav a .material-symbols-outlined {
    font-size: 20px;
}

.admin-content {
    padding: var(--space-8);
    max-width: 100%;
    overflow-x: auto;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.admin-header h2 {
    font-family: var(--font-body);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
}

.stat-card-label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    color: var(--text-primary);
}

/* Table - Desktop */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
    min-width: 700px;
}

.data-table th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

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

/* Admin action buttons */
.admin-actions {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.admin-actions .btn {
    padding: var(--space-1) var(--space-2);
}

/* Admin form card */
.admin-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    overflow: hidden;
}

.admin-form-card-header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.admin-form-card-header h4 {
    font-family: var(--font-body);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-md);
}

.admin-form-card-body {
    padding: var(--space-5);
}

/* Admin card list (mobile replacement for tables) */
.admin-card-list {
    display: none;
}

/* ----------------------------------------
   Admin Mobile Responsive
   ---------------------------------------- */
@media (max-width: 768px) {
    .admin-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .admin-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 0;
        position: sticky;
        top: var(--header-height);
        z-index: 100;
        background: var(--bg-secondary);
        width: 100%;
        overflow-x: hidden;
    }

    .admin-sidebar-nav {
        display: flex;
        gap: 0;
        overflow-x: auto;
        padding: var(--space-3);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .admin-sidebar-nav::-webkit-scrollbar {
        display: none;
    }

    .admin-sidebar-nav a {
        white-space: nowrap;
        margin-bottom: 0;
        padding: var(--space-2) var(--space-3);
        font-size: var(--fs-xs);
        flex-shrink: 0;
    }

    .admin-sidebar-nav a .material-symbols-outlined {
        font-size: 18px;
    }

    .admin-content {
        padding: var(--space-4);
        overflow-x: hidden;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .stat-card {
        padding: var(--space-4);
    }

    .stat-card-value {
        font-size: var(--fs-xl);
    }

    /* Hide table, show card list on mobile */
    .table-wrapper {
        display: none;
    }

    .admin-card-list {
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
    }

    .admin-card {
        background: var(--bg-secondary);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: var(--space-4);
    }

    .admin-card-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: var(--space-3);
        margin-bottom: var(--space-3);
    }

    .admin-card-title {
        font-weight: var(--fw-semibold);
        font-size: var(--fs-sm);
        color: var(--text-primary);
        word-break: break-word;
    }

    .admin-card-body {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2) var(--space-4);
        font-size: var(--fs-xs);
        color: var(--text-secondary);
        margin-bottom: var(--space-3);
    }

    .admin-card-field {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .admin-card-field-label {
        font-size: 10px;
        font-weight: var(--fw-semibold);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-tertiary);
    }

    .admin-card-field-value {
        color: var(--text-primary);
        font-weight: var(--fw-medium);
    }

    .admin-card-actions {
        display: flex;
        gap: var(--space-2);
        padding-top: var(--space-3);
        border-top: 1px solid var(--border);
        flex-wrap: wrap;
    }

    .admin-card-actions .btn {
        flex: 1;
        min-width: 0;
        font-size: var(--fs-xs);
        padding: var(--space-2) var(--space-2);
    }

    /* Admin form responsive */
    .admin-form-card-body .form-row {
        grid-template-columns: 1fr;
    }

    .filters-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: var(--space-2);
    }

    .filters-bar::-webkit-scrollbar {
        display: none;
    }

    .filter-chip {
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

/* ----------------------------------------
   Static Pages
   ---------------------------------------- */
.page-content {
    max-width: 780px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-4);
}

.page-content h1 {
    font-size: var(--fs-3xl);
    margin-bottom: var(--space-6);
}

.page-content h2 {
    font-size: var(--fs-xl);
    margin: var(--space-8) 0 var(--space-3);
    font-family: var(--font-body);
    font-weight: var(--fw-semibold);
}

.page-content p {
    margin-bottom: var(--space-4);
    line-height: var(--lh-relaxed);
    color: var(--text-secondary);
}

.page-content ul {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
}

.page-content li {
    margin-bottom: var(--space-2);
    list-style: disc;
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    padding: var(--space-12) 0;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-info h3 {
    font-family: var(--font-body);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-4);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.contact-item .material-symbols-outlined {
    color: var(--accent);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-1);
}

.contact-item span {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-16);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-tagline {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.footer-links ul li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------------------
   Empty State
   ---------------------------------------- */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.empty-state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.empty-state-icon .material-symbols-outlined {
    font-size: 32px;
    color: var(--text-tertiary);
}

.empty-state h3 {
    font-family: var(--font-body);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-4);
}

/* ----------------------------------------
   Loading Skeleton
   ---------------------------------------- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ----------------------------------------
   Animations
   ---------------------------------------- */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-fade-up {
    animation: fadeUp 0.5s ease forwards;
}

.stagger>* {
    opacity: 0;
    animation: fadeUp 0.4s ease forwards;
}

.stagger>*:nth-child(1) {
    animation-delay: 0.05s;
}

.stagger>*:nth-child(2) {
    animation-delay: 0.1s;
}

.stagger>*:nth-child(3) {
    animation-delay: 0.15s;
}

.stagger>*:nth-child(4) {
    animation-delay: 0.2s;
}

.stagger>*:nth-child(5) {
    animation-delay: 0.25s;
}

.stagger>*:nth-child(6) {
    animation-delay: 0.3s;
}

.stagger>*:nth-child(7) {
    animation-delay: 0.35s;
}

.stagger>*:nth-child(8) {
    animation-delay: 0.4s;
}

.stagger>*:nth-child(9) {
    animation-delay: 0.45s;
}

.stagger>*:nth-child(10) {
    animation-delay: 0.5s;
}

.stagger>*:nth-child(11) {
    animation-delay: 0.55s;
}

.stagger>*:nth-child(12) {
    animation-delay: 0.6s;
}

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }

/* Featured badge */
    .featured-badge {
        display: inline-flex;
        align-items: center;
        gap: var(--space-1);
        padding: var(--space-1) var(--space-2);
        background: var(--warning-bg);
        color: var(--warning);
        font-size: var(--fs-xs);
        font-weight: var(--fw-semibold);
        border-radius: var(--radius-full);
    }

    /* Platform filter tabs */
    .platform-tabs {
        display: flex;
        gap: var(--space-2);
        flex-wrap: wrap;
    }

    /* Honeypot - hidden anti-spam field */
    .hp-field {
        position: absolute;
        left: -9999px;
        opacity: 0;
        height: 0;
        width: 0;
        overflow: hidden;
    }

    /* Material Symbols fix */
    .material-symbols-outlined {
        font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    }

    /* ----------------------------------------
   Mobile Additional Overrides
   ---------------------------------------- */
    @media (max-width: 768px) {
        .hero {
            padding: var(--space-12) 0 var(--space-10);
        }

        .hero h1 {
            font-size: 1.75rem;
        }

        .hero-subtitle {
            font-size: var(--fs-base);
        }

        .hero-stats {
            gap: var(--space-6);
        }

        .hero-stat-number {
            font-size: var(--fs-xl);
        }

        .section {
            padding: var(--space-10) 0;
        }

        .section-header {
            flex-direction: column;
            align-items: flex-start;
        }

        .section-title {
            font-size: var(--fs-xl);
        }

        .category-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-3);
        }

        .category-card {
            padding: var(--space-4) var(--space-3);
        }

        .category-card-icon {
            width: 40px;
            height: 40px;
        }

        .page-content {
            padding: var(--space-8) var(--space-4);
        }

        .page-content h1 {
            font-size: var(--fs-2xl);
        }

        .site-footer {
            margin-top: var(--space-10);
            padding: var(--space-10) 0 var(--space-6);
        }

        .auth-card {
            padding: var(--space-6);
        }
    }

    @media (max-width: 480px) {
        .category-grid {
            grid-template-columns: 1fr 1fr;
        }

        .hero-stats {
            flex-direction: column;
            gap: var(--space-4);
        }
    }

/* ----------------------------------------
   Responsive Display Utilities
   ---------------------------------------- */
.desktop-only {
    display: block;
}
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    .mobile-only {
        display: block !important;
    }
}

/* ensure desktop-only always hides cards on wider screens */
@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
    .desktop-only {
        display: block !important;
    }
}

/* Mobile Cards Framework */
.mobile-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
}

.mobile-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.mobile-card-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--bg-secondary);
    padding-bottom: var(--space-3);
}

.mobile-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    font-size: var(--fs-sm);
}

.mobile-card-row {
    display: flex;
    justify-content: space-between;
}

.mobile-card-row span:first-child {
    color: var(--text-secondary);
    font-weight: var(--fw-medium);
}

.mobile-card-row span:last-child {
    color: var(--text-primary);
    text-align: right;
    word-break: break-word;
}

/* Mobile CTA Fix */
@media (max-width: 576px) {
    .cta-buttons {
        flex-direction: column;
        align-items: stretch !important;
    }
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Platform Badges & Icons */
.group-platform-badge {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    color: var(--text-primary);
}

.group-platform-badge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.group-platform-badge .material-symbols-outlined {
    font-size: 24px;
}

/* Filter Chip Icons */
.filter-chip .material-symbols-outlined {
    font-size: 18px;
    margin-right: -2px;
}

.filter-chip img {
    width: 100% !important;
    height: 100% !important;
    display: block;
    object-fit: contain !important;
    border-radius: 4px;
    flex-shrink: 0;
}

/* Toast System */
#toast-container {
    position: fixed;
    top: calc(var(--header-height) + 16px);
    right: 24px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
    max-width: calc(100vw - 48px);
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 14px 18px;
    width: 380px;
    max-width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-xl);
    pointer-events: auto;
    animation: toast-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    transition: all 0.3s ease;
    overflow: hidden;
}

.toast.hiding {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
    from { transform: translateX(100%) scale(0.9); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes toast-out {
    from { transform: translateX(0) scale(1); opacity: 1; }
    to { transform: translateX(100%) scale(0.9); opacity: 0; }
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.toast:hover .toast-icon {
    transform: scale(1.1);
}

.toast-success .toast-icon { background: var(--success-bg); color: var(--success); }
.toast-error .toast-icon   { background: var(--error-bg); color: var(--error); }
.toast-info .toast-icon    { background: var(--info-bg); color: var(--info); }

.toast-content {
    flex: 1;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
    overflow-wrap: anywhere;
}

.toast-close {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-tertiary);
    background: transparent;
    border: none;
    transition: all 0.2s;
    flex-shrink: 0;
    margin-right: -4px;
}

.toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

@media (max-width: 480px) {
    #toast-container {
        right: 12px;
        left: 12px;
        top: calc(var(--header-height) + 12px);
    }
    .toast {
        width: 100%;
    }
}