/* ========================================
   VC Platform - Global Styles
   Modern Financial Style
   ======================================== */

/* --- CSS Variables --- */
:root {
    --primary: #1a237e;
    --primary-light: #3949ab;
    --primary-dark: #0d1642;
    --primary-rgb: 26, 35, 126;
    --accent: #f9a825;
    --accent-light: #fdd835;
    --accent-dark: #c17900;
    --accent-rgb: 249, 168, 37;
    --success: #2e7d32;
    --success-light: #4caf50;
    --danger: #c62828;
    --danger-light: #ef5350;
    --warning: #ef6c00;
    --info: #0277bd;
    --text-primary: #1a1a2e;
    --text-secondary: #555770;
    --text-muted: #8e8ea0;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f6fa;
    --bg-tertiary: #eef0f7;
    --border-color: #e2e4ed;
    --border-light: #f0f1f5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --header-height: 72px;
    --container-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* --- Utility --- */
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* --- Section --- */
.section { padding: 60px 0; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}
.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-top: 16px;
}
.section-alt { background: var(--bg-primary); }

/* ========================================
   Header / Navigation
   ======================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}
.main-header.scrolled {
    box-shadow: var(--shadow-md);
    height: 64px;
}
.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    border-radius: var(--radius-sm);
    letter-spacing: -0.5px;
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}
.header-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; gap: 4px; }
.nav-link {
    display: block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: rgba(var(--primary-rgb), 0.05); }
.nav-link.active { color: var(--primary); background: rgba(var(--primary-rgb), 0.08); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.header-icon-btn:hover {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
}
.notify-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.user-area { display: flex; gap: 8px; }
.user-info { position: relative; }
.user-dropdown { position: relative; cursor: pointer; }
.user-name {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border-radius: 20px;
}
.user-name::after {
    content: '';
    border: 4px solid transparent;
    border-top-color: var(--text-muted);
    margin-left: 4px;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
}
.user-dropdown:hover .dropdown-menu,
.user-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--bg-secondary); color: var(--primary); }
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}
.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-nav-overlay.active { opacity: 1; visibility: visible; }
.mobile-nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 1200;
    padding: 80px 24px 24px;
    transition: var(--transition);
    overflow-y: auto;
}
.mobile-nav.active { right: 0; }
.mobile-nav-list li a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.mobile-nav-list li a:hover,
.mobile-nav-list li a.active { color: var(--primary); font-weight: 600; }
.mobile-nav-actions { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    line-height: 1.4;
}
.btn-sm { padding: 6px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--text-primary);
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.3);
}
.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: var(--text-primary);
    box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.4);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}
.btn-ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
}
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-light); color: #fff; }

/* ========================================
   Hero Banner / Carousel
   ======================================== */
.hero-banner {
    position: relative;
    margin-top: var(--header-height);
    height: 520px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
}
.hero-slides { position: relative; width: 100%; height: 100%; }
.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 700px;
    padding: 0 20px;
}
.hero-content h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-actions .btn-accent {
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 700;
}
.hero-actions .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
    padding: 14px 36px;
    font-size: 16px;
}
.hero-actions .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
}
.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}
.hero-dot.active { background: var(--accent); transform: scale(1.2); }
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.2);
}
.hero-arrow:hover { background: rgba(255,255,255,0.3); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    margin-top: -60px;
    position: relative;
    z-index: 10;
    padding: 0 20px;
}
.stats-grid {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    font-weight: 500;
}

/* ========================================
   Card Styles
   ======================================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card-body { padding: 20px; }

/* Investor Card */
.investor-card { display: flex; flex-direction: column; }
.investor-card .card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 20px 0;
}
.investor-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
    overflow: hidden;
}
.investor-avatar img { width: 100%; height: 100%; object-fit: cover; }
.investor-meta h4 { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.investor-meta .investor-title { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.investor-meta .investor-company { font-size: 13px; color: var(--primary); font-weight: 500; }
.investor-card .card-body { padding: 16px 20px; }
.investor-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    border-radius: 20px;
    font-weight: 500;
}
.tag-primary { background: rgba(var(--primary-rgb), 0.08); color: var(--primary); }
.tag-accent { background: rgba(var(--accent-rgb), 0.12); color: var(--accent-dark); }
.tag-success { background: rgba(46,125,50,0.08); color: var(--success); }
.tag-info { background: rgba(2,119,189,0.08); color: var(--info); }
.investor-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.investor-card .card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Project Card */
.project-card .card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--bg-tertiary);
}
.project-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.project-card:hover .card-image img { transform: scale(1.05); }
.project-card .card-image .project-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    background: var(--accent);
    color: var(--text-primary);
}
.project-card .card-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.project-card .card-body p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.project-card .card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.project-amount { color: var(--danger); font-weight: 700; font-size: 16px; }

/* Card Grid */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   Tabs
   ======================================== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border-light);
    margin-bottom: 24px;
}
.tab-btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========================================
   Filter Bar
   ======================================== */
.filter-bar {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    margin-bottom: 24px;
}
.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}
.filter-group { flex: 1; min-width: 160px; }
.filter-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.filter-group select,
.filter-group input {
    width: 100%;
    padding: 9px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%238e8ea0'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}
.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
.filter-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 32px;
}
.page-btn {
    min-width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

/* ========================================
   Forms
   ======================================== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: flex; align-items: center; gap: 12px; }
.form-row-between { justify-content: space-between; }
.checkbox-label, .radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}
.checkbox-label input, .radio-label input { accent-color: var(--primary); }
.radio-group { display: flex; gap: 20px; }
.link-primary { font-size: 13px; color: var(--primary); }
.link-primary:hover { text-decoration: underline; }

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-dialog {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}
.modal-overlay.active .modal-dialog { transform: scale(1) translateY(0); }
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
    z-index: 1;
}
.modal-close:hover { background: var(--bg-secondary); color: var(--text-primary); }
.modal-body { padding: 32px; }

/* Auth Modal */
.modal-auth { max-width: 440px; padding: 36px; }
.auth-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-light);
    margin-bottom: 28px;
}
.auth-tab {
    flex: 1;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}
.auth-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.auth-form .form-group label { font-size: 13px; color: var(--text-secondary); }
.auth-form .form-control { padding: 12px 14px; }

/* ========================================
   Float Widget (Message)
   ======================================== */
.float-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 900;
}
.float-widget-toggle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.4);
    cursor: pointer;
    transition: var(--transition);
}
.float-widget-toggle:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(var(--primary-rgb), 0.5); }
.float-widget-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 320px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    animation: slideUp 0.3s ease;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}
.float-widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
}
.float-widget-header h4 { font-size: 15px; font-weight: 600; }
.float-widget-close { font-size: 22px; cursor: pointer; opacity: 0.8; }
.float-widget-close:hover { opacity: 1; }
.float-widget-form { padding: 20px; }
.float-widget-form .form-group { margin-bottom: 12px; }
.float-widget-form .form-control { padding: 9px 12px; font-size: 13px; }
.float-widget-form textarea.form-control { min-height: 60px; }
.float-widget-form .btn { padding: 9px; font-size: 13px; }

/* ========================================
   Footer
   ======================================== */
.main-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.75);
    padding: 60px 0 0;
    margin-top: 60px;
}
.footer-container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-icon { background: rgba(255,255,255,0.15); }
.footer-logo .logo-text { color: #fff; font-size: 18px; }
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--text-primary); }
.footer-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
}
.footer-contact svg { flex-shrink: 0; margin-top: 2px; opacity: 0.7; }
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.footer-bottom p { margin-bottom: 4px; }

/* ========================================
   Activity / Event Cards
   ======================================== */
.activity-card { display: flex; gap: 24px; }
.activity-card .activity-image {
    width: 280px;
    height: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}
.activity-card .activity-image img { width: 100%; height: 100%; object-fit: cover; }
.activity-card .activity-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.activity-card .activity-info h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.activity-card .activity-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.activity-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-muted); }
.activity-meta span { display: flex; align-items: center; gap: 4px; }
.activity-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.status-active { background: rgba(46,125,50,0.1); color: var(--success); }
.status-upcoming { background: rgba(var(--accent-rgb), 0.12); color: var(--accent-dark); }
.status-ended { background: rgba(0,0,0,0.06); color: var(--text-muted); }

/* ========================================
   Article List
   ======================================== */
.article-list { display: flex; flex-direction: column; gap: 16px; }
.article-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.article-item:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.article-thumb {
    width: 200px;
    height: 130px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.article-info h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.article-info h4 a { color: var(--text-primary); }
.article-info h4 a:hover { color: var(--primary); }
.article-info p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-meta { display: flex; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--text-muted); }

/* Sidebar */
.content-with-sidebar { display: grid; grid-template-columns: 1fr 320px; gap: 32px; }
.sidebar .widget { background: var(--bg-primary); border-radius: var(--radius-md); border: 1px solid var(--border-light); padding: 20px; margin-bottom: 24px; }
.widget-title { font-size: 16px; font-weight: 600; padding-bottom: 12px; border-bottom: 2px solid var(--border-light); margin-bottom: 16px; }
.widget-list li { padding: 8px 0; border-bottom: 1px solid var(--border-light); }
.widget-list li:last-child { border-bottom: none; }
.widget-list li a { font-size: 14px; color: var(--text-secondary); display: flex; justify-content: space-between; }
.widget-list li a:hover { color: var(--primary); }
.widget-list li a span { color: var(--text-muted); font-size: 12px; }

/* ========================================
   About Page
   ======================================== */
.about-hero {
    margin-top: var(--header-height);
    padding: 80px 0 60px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
}
.about-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.about-hero p { font-size: 16px; opacity: 0.85; max-width: 600px; margin: 0 auto; line-height: 1.7; }
.about-section { padding: 60px 0; }
.about-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.about-section h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; color: var(--text-primary); }
.about-section p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.service-card {
    padding: 32px 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--primary-rgb), 0.02));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
}
.service-card h4 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 24px; }
.contact-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}
.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}
.contact-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--text-secondary); }

/* ========================================
   Partners / Logo Grid
   ======================================== */
.partner-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.partner-tab {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}
.partner-tab:hover { border-color: var(--primary); color: var(--primary); }
.partner-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.partner-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.partner-item {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    padding: 16px;
    transition: var(--transition);
}
.partner-item:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.partner-item img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(1); opacity: 0.6; transition: var(--transition); }
.partner-item:hover img { filter: grayscale(0); opacity: 1; }

/* ========================================
   Page Banner (inner pages)
   ======================================== */
.page-banner {
    margin-top: var(--header-height);
    padding: 48px 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
}
.page-banner h1 { font-size: 30px; font-weight: 700; margin-bottom: 8px; }
.page-banner p { font-size: 15px; opacity: 0.8; }
.breadcrumb { display: flex; justify-content: center; gap: 8px; margin-top: 12px; font-size: 13px; opacity: 0.7; }
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,0.5); }

/* ========================================
   Table
   ======================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.data-table th {
    background: var(--bg-tertiary);
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}
.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(var(--primary-rgb), 0.02); }

/* ========================================
   Tags Filter
   ======================================== */
.tags-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag-btn {
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
}
.tag-btn:hover { border-color: var(--primary); color: var(--primary); }
.tag-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========================================
   Loading & Empty States
   ======================================== */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 15px; }

/* ========================================
   Toast Notification
   ======================================== */
.toast-container { position: fixed; top: 90px; right: 20px; z-index: 3000; }
.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-primary);
    animation: toastIn 0.3s ease;
    max-width: 360px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ========================================
   Login Page (standalone)
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
    padding: 20px;
}
.login-box {
    width: 100%;
    max-width: 440px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 40px;
}
.login-box .logo-area { text-align: center; margin-bottom: 32px; }
.login-box .logo-area .logo-icon { width: 56px; height: 56px; font-size: 22px; margin: 0 auto 12px; }
.login-box .logo-area .logo-text { font-size: 22px; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .content-with-sidebar { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    :root { --header-height: 64px; }
    .header-nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-banner { height: 420px; }
    .hero-content h1 { font-size: 28px; }
    .hero-content p { font-size: 15px; }
    .hero-arrow { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-section { margin-top: -40px; }
    .stat-number { font-size: 28px; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .section { padding: 40px 0; }
    .section-header h2 { font-size: 24px; }
    .filter-row { flex-direction: column; }
    .filter-group { min-width: 100%; }
    .activity-card { flex-direction: column; }
    .activity-card .activity-image { width: 100%; }
    .article-item { flex-direction: column; }
    .article-thumb { width: 100%; height: 160px; }
    .service-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .float-widget { bottom: 20px; right: 16px; }
    .float-widget-panel { width: 280px; right: -10px; }
    .page-banner { padding: 32px 0; }
    .page-banner h1 { font-size: 24px; }
    .about-hero { padding: 48px 0 40px; }
    .about-hero h1 { font-size: 28px; }
    .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tab-btn { padding: 10px 16px; font-size: 14px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 20px 16px; }
    .stat-number { font-size: 24px; }
    .hero-banner { height: 360px; }
    .hero-content h1 { font-size: 24px; }
    .partner-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions .btn { padding: 12px 24px; font-size: 14px; }
}