:root {
    --primary: #c2185b;
    --primary-light: #fce4ec;
    --secondary: #212529;
    --bg-color: #f8fafc;
    --text-color: #334155;
    --text-muted: #6b7280;
    --border-color: #f3f4f6;
    --card-bg: #ffffff;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --font-family: 'Inter', sans-serif;
    --primary-dark: #a4104b;
}

/* Standardize Bootstrap buttons to use theme colors */
.btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #ffffff !important;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}
.btn-outline-primary {
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}
.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #ffffff !important;
}
.btn-white {
    background-color: #ffffff !important;
    color: var(--primary) !important;
    border: none;
}
.btn-white:hover {
    background-color: #f8f9fa !important;
    color: var(--primary-dark) !important;
}
.btn { font-weight: 700 !important; border-radius: 8px !important; }

[data-theme="dark"] {
    --bg-color: #060b13; /* Even deeper dark for premium feel */
    --card-bg: #0f172a;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
    --secondary: #f8fafc;
    --primary-light: rgba(194, 24, 91, 0.15);
}

/* Dark Theme Navbar Overrides */
[data-theme="dark"] .top-navbar {
    background: #060b13 !important;
    border-bottom: none !important; /* Remove separation line */
    box-shadow: 0 4px 20px rgba(0,0,0,0.3) !important;
}

[data-theme="dark"] .top-navbar.scrolled {
    background: rgba(6, 11, 19, 0.94) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05) !important;
}

[data-theme="dark"] .secondary-navbar {
    background: #0f172a !important;
    border-bottom: 1px solid rgba(255,255,255,0.05) !important;
    border-top: none !important;
    box-shadow: 0 8px 16px rgba(0,0,0,0.4) !important;
}

[data-theme="dark"] .secondary-navbar .nav-link {
    color: #94a3b8;
}

[data-theme="dark"] .secondary-navbar .nav-link:hover {
    color: var(--primary);
}

[data-theme="dark"] .secondary-navbar .nav-link.active {
    color: #fff;
    border-bottom-color: var(--primary);
    background: rgba(194, 24, 91, 0.05);
}

[data-theme="dark"] .navbar-collapse {
    background: transparent !important;
    border: none !important;
}

[data-theme="dark"] footer.bg-white {
    background: #060b13 !important;
    border-top-color: var(--border-color) !important;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Global Theme Refinements */
.text-muted { color: var(--text-muted) !important; }
.text-dark { color: var(--secondary) !important; }
.bg-light { background-color: var(--border-color) !important; }
.border { border-color: var(--border-color) !important; }

[data-theme="dark"] .card { background-color: var(--card-bg); border-color: var(--border-color); }
[data-theme="dark"] .modal-content { background-color: var(--card-bg); border-color: var(--border-color); color: var(--text-color); }
[data-theme="dark"] .dropdown-menu { background-color: var(--card-bg); border-color: var(--border-color); }
[data-theme="dark"] .dropdown-item { color: var(--text-color); }
[data-theme="dark"] .dropdown-item:hover { background-color: var(--border-color); color: var(--primary); }
[data-theme="dark"] .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }

h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--secondary); letter-spacing: -0.025em; }

/* ======== TOP NAVBAR ======== */
.top-navbar {
    background: transparent;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    height: 60px; /* Exact height for snapping */
    padding: 0;
    display: flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: none;
    z-index: 1050;
}

.top-navbar.scrolled {
    background: rgba(194, 24, 91, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 4px 0;
}

.top-navbar .navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 800;
    font-size: 24px;
    color: #ffffff !important;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}
.navbar-brand i { margin-right: 8px; font-size: 26px; color: #ffffff; }

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    padding: 8px 20px;
    margin: 0 2px;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    font-size: 15px;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.15);
}

/* Mobile Navbar Fixes */
@@media (max-width: 991px) {
    .navbar-collapse {
        background: white;
        margin-top: 15px;
        padding: 15px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        border: 1px solid rgba(0,0,0,0.05);
    }
    [data-theme="dark"] .navbar-collapse {
        background: #0f172a !important;
        border-color: var(--border-color) !important;
    }
    .navbar-nav .nav-link {
        color: var(--secondary) !important;
        padding: 12px 15px;
        margin: 5px 0;
    }
    .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
        background: #f1f5f9;
        color: var(--primary) !important;
    }
    .top-navbar { height: auto; padding: 10px 0; }
}

/* Profile Dropdown Trigger */
.user-nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 4px 16px 4px 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s;
}
.user-nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}
.user-avatar-sm {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 15px;
    overflow: hidden;
}
.user-avatar-sm img { width: 100%; height: 100%; object-fit: cover; }
.user-name { font-weight: 600; font-size: 14px; color: #ffffff; }
.user-nav-btn i { color: rgba(255, 255, 255, 0.7) !important; }


/* ======== UTILITY BUTTONS ======== */
.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 22px;
    transition: all 0.2s;
    position: relative;
    text-decoration: none;
}
.icon-btn:hover, .icon-btn.active { background: rgba(255, 255, 255, 0.2); color: #ffffff; }
.icon-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--primary);
    color: white;
    font-size: 10px;
    font-weight: 800;
    min-width: 18px;
    height: 18px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
    transition: border-color 0.3s;
}

/* ======== GLOBAL THEME COMPONENTS ======== */
.bg-light { background-color: var(--border-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.border-light { border-color: var(--border-color) !important; }

[data-theme="dark"] .btn-light {
    background-color: var(--border-color);
    border-color: var(--border-color);
    color: var(--text-color);
}
[data-theme="dark"] .btn-light:hover { background-color: var(--text-muted); color: #fff; }

[data-theme="dark"] .form-select, [data-theme="dark"] .form-control {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .pagination .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* ======== BUTTONS & FORMS ======== */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 10px 24px;
    box-shadow: 0 4px 12px rgba(194, 24, 91, 0.2);
    transition: all 0.3s;
}
.btn-primary:hover {
    background-color: #a4104b;
    border-color: #a4104b;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(194, 24, 91, 0.3);
}

/* Secondary Nav Bar (Amazon Style) */
.secondary-navbar {
    background: #f8fafc; /* Compact slight light grey style */
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    margin-top: 0; 
    z-index: 1020;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02); /* Bottom shadow */
    position: relative; 
}
.secondary-navbar .nav {
    justify-content: center; /* Centrally aligned items */
    align-items: stretch;
}
.secondary-navbar .nav-link {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0 24px;
    height: 48px;
    border-bottom: 3px solid transparent;
    border-top: 3px solid transparent;
    border-radius: 0;
    margin: 0;
    letter-spacing: 0.3px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.secondary-navbar .nav-link:hover { color: var(--primary); }
.secondary-navbar .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(194, 24, 91, 0.02);
    font-weight: 700;
}

/* Dropdown Progress Bar */
.dropdown-progress { padding: 12px 16px; border-bottom: 1px solid var(--border-color); background: #fcfcfd; border-radius: 12px 12px 0 0; }
.progress-slim { height: 6px; border-radius: 10px; background-color: #f1f5f9; margin-top: 8px; }
.progress-slim .progress-bar { background-color: var(--primary); border-radius: 10px; }

.dropdown-menu .dropdown-item {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
}
.dropdown-menu .dropdown-item:hover { background-color: var(--primary-light); color: var(--primary); }
.dropdown-menu i { font-size: 18px; opacity: 0.8; }

.dropdown-divider { margin: 8px 0; opacity: 0.05; }
.dropdown-header { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); font-weight: 700; padding: 10px 16px 5px; }

/* Standard Sidebar Card (Overview Style) */
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.sidebar-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    margin: 0;
}
.sidebar-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid #f8fafc;
}
.sidebar-stat-row:last-of-type { border-bottom: none; }
.sidebar-stat-label { color: var(--text-muted); font-weight: 600; font-size: 15px; }
.sidebar-stat-value { font-weight: 700; color: var(--secondary); font-size: 16px; }

.sidebar-action-btn {
    width: 100%;
    border-radius: var(--radius-md);
    padding: 10px;
    font-weight: 700;
    margin-top: 15px;
    border: 1px solid var(--primary);
    color: var(--primary);
    background: transparent;
    transition: all 0.2s;
}
.sidebar-action-btn:hover { background: var(--primary); color: #fff; }

/* Responsive Sidebar */
.sidebar-sticky { position: sticky; top: 100px; }
@@media (max-width: 991px) {
    .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        position: absolute;
        top: 80px;
        left: 15px;
        right: 15px;
    }
}
#themeToggle i { transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
#themeToggle:hover i { transform: rotate(15deg) scale(1.1); }

/* ======== ACTIVITIES & MATCHES SIDEBAR NAVIGATION ======== */
.sidebar-nav-card, .activity-sidebar, .filter-section {
    background: var(--card-bg);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    padding: 15px;
    position: sticky;
    top: 100px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.sidebar-group-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin: 20px 0 10px 15px;
    text-transform: uppercase;
}

.activity-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-radius: 16px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 4px;
    border: 1px solid transparent;
}

.activity-nav-link:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-light);
}

.activity-nav-link.active {
    background: var(--primary);
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(194, 24, 91, 0.25);
}

.nav-badge {
    background: rgba(0,0,0,0.05);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 800;
}

.activity-nav-link.active .nav-badge {
    background: rgba(255,255,255,0.2);
}

.nav-link-content { display: flex; align-items: center; }
.activity-nav-link i { font-size: 20px; margin-right: 12px; opacity: 0.8; }

/* Filter Controls in Sidebar */
.filter-group {
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    padding-left: 15px;
    padding-right: 15px;
}
.filter-group:last-child { border-bottom: none; }
.filter-title {
    font-size: 13px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.range-slider-label { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; color: var(--text-muted); margin-top: 8px; }

/* ======== MATCH GRID CARDS ======== */
.match-grid-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.match-grid-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: var(--primary-light);
}
.card-img-wrapper { position: relative; height: 260px; overflow: hidden; }
.card-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.match-grid-card:hover .card-img-wrapper img { transform: scale(1.08); }

.card-info { padding: 20px; flex-grow: 1; }
.match-name { font-size: 17px; font-weight: 700; color: var(--secondary); margin-bottom: 4px; }
.match-meta { font-size: 13px; color: var(--text-muted); font-weight: 600; line-height: 1.5; }
.match-location { font-size: 12px; color: var(--primary); margin-top: 10px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.card-actions { display: flex; gap: 10px; padding: 0 20px 20px; }
.btn-connect { flex: 1; border-radius: 50px; font-weight: 700; font-size: 13px; padding: 12px; }

.badge-verified {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 210, 106, 0.95);
    color: #fff;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 2;
    backdrop-filter: blur(4px);
}
.match-score {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: #fff;
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 800;
    z-index: 2;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 10px rgba(194, 24, 91, 0.3);
}
.edu-badge { background: var(--primary-light); color: var(--primary); padding: 5px 14px; border-radius: 50px; font-size: 11px; font-weight: 700; display: inline-block; margin-top: 10px; }

.btn-shortlist {
    width: 44px;
    height: 44px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    transition: all 0.2s;
    background: var(--card-bg);
    cursor: pointer;
}
.btn-shortlist:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-shortlist.active { background: #fff9bc; border-color: #fdd835; color: #f9a825; }

.sidebar-sticky { position: sticky; top: 100px; }

.hover-primary:hover { color: var(--primary) !important; }