/* ======== PREMIUM SAVINGS SYSTEM CSS ======== */
/* High-End Glassmorphism & Dynamic Design */

:root {
    /* Premium Color Palette (Dark Theme) */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4338ca;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    
    --bg-main: #0B0F19; /* Deep midnight blue */
    --bg-panel: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(11, 15, 25, 0.65);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 20px -5px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 25px 35px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    --shadow-glow-accent: 0 0 20px rgba(139, 92, 246, 0.4);
    
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-full: 9999px;

    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-blur: blur(20px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Noto Sans Lao', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 14px;
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.12), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.12), transparent 25%);
    background-attachment: fixed;
}

/* ======== UTILITIES & ANIMATIONS ======== */
.hidden { display: none !important; }

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 0 30px rgba(99, 102, 241, 0.7); }
    100% { box-shadow: 0 0 15px rgba(99, 102, 241, 0.4); }
}

/* ======== LOGIN PAGE ======== */
.login-page {
    position: fixed; inset: 0; 
    background: url('assets/bg.png') no-repeat center center / cover;
    display: flex; align-items: center; justify-content: center; z-index: 1000;
}

.login-bg-shapes {
    display: none; /* Hidden as using generated bg */
}

.login-card {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 3.5rem; 
    border-radius: var(--radius-lg);
    width: 100%; max-width: 480px;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative; z-index: 1;
    animation: slideInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    color: white;
}

.login-header { text-align: center; margin-bottom: 2.5rem; }

.login-logo-img {
    width: 90px; height: 90px;
    object-fit: contain;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.5));
}

.login-header h1 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.5px; }
.login-header p { color: var(--text-muted); font-size: 1rem; }

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.95rem; color: var(--text-light); }

.input-with-icon { position: relative; display: flex; align-items: center; }
.input-icon { position: absolute; left: 1.2rem; color: var(--text-muted); font-size: 1.2rem; }

.input-with-icon input {
    width: 100%; padding: 1.2rem 1rem 1.2rem 3.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: white; font-size: 1rem; outline: none; transition: var(--transition);
}

.input-with-icon input:focus {
    background: rgba(255, 255, 255, 0.08); 
    border-color: var(--primary-light); 
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}
.input-with-icon input::placeholder { color: rgba(255, 255, 255, 0.2); font-weight: 300; }

.login-error {
    background: rgba(239, 68, 68, 0.15); border-left: 4px solid var(--danger);
    color: #fca5a5; padding: 1rem; border-radius: var(--radius-sm); margin-bottom: 1.5rem; font-size: 0.95rem;
    animation: fadeIn 0.3s; backdrop-filter: blur(10px);
}

.login-btn {
    width: 100%; padding: 1.2rem; border: none;
    background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; 
    border-radius: var(--radius-sm);
    font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.5);
    position: relative; overflow: hidden;
}

.login-btn::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.login-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 25px -5px rgba(99, 102, 241, 0.6); }
.login-btn:hover::before { left: 150%; transition: left 0.6s ease; }

.btn-arrow { transition: transform 0.3s; }
.login-btn:hover .btn-arrow { transform: translateX(8px); }
.login-footer { margin-top: 2.5rem; text-align: center; color: var(--text-muted); font-size: 0.85rem; }
.loader-mini {
    width: 22px; height: 22px; border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%; border-top-color: #fff; animation: spin 0.8s linear infinite;
}

/* ======== APP LAYOUT ======== */
.app-container { display: flex; width: 100%; min-height: 100vh; }

/* ======== SIDEBAR ======== */
.sidebar {
    width: 280px; height: 100vh; position: fixed; top: 0; left: 0; z-index: 200;
    background: rgba(11, 15, 25, 0.8); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border-light);
    display: flex; flex-direction: column;
    transition: var(--transition); box-shadow: 10px 0 30px rgba(0,0,0,0.2);
}

.sidebar.collapsed { width: 90px; }

.sidebar-brand {
    padding: 2rem 1.5rem; display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-brand-inner { display: flex; align-items: center; gap: 16px; }

.sidebar-logo-img {
    width: 48px; height: 48px; object-fit: contain; flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.4));
}

.sidebar-brand-text { display: flex; flex-direction: column; white-space: nowrap; transition: var(--transition); }
.sidebar-brand-name { font-weight: 700; font-size: 1.3rem; letter-spacing: 0.5px; background: linear-gradient(135deg, #fff, var(--text-muted)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sidebar-brand-sub { font-size: 0.8rem; color: var(--primary-light); text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }

.sidebar-toggle {
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-light); color: var(--text-light); cursor: pointer;
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    border-radius: 8px; font-size: 1.2rem; transition: var(--transition);
}
.sidebar-toggle:hover { background: rgba(255, 255, 255, 0.1); color: #fff; border-color: rgba(255,255,255,0.2); }

.sidebar.collapsed .sidebar-brand-text { opacity: 0; width: 0; display: none; }
.sidebar.collapsed .sidebar-toggle { transform: rotate(180deg); margin: 0 auto; }
.sidebar.collapsed .sidebar-brand { justify-content: center; padding: 2rem 1rem; }
.sidebar.collapsed .sidebar-brand-inner { justify-content: center; }

.sidebar-nav { flex: 1; padding: 1.5rem 1.2rem; display: flex; flex-direction: column; gap: 0.5rem; overflow-y: auto; overflow-x: hidden; }

.nav-item {
    display: flex; align-items: center; gap: 16px; padding: 1rem 1.2rem; border-radius: var(--radius-sm);
    color: var(--text-light); text-decoration: none; font-weight: 500; font-size: 1rem;
    transition: var(--transition); white-space: nowrap; position: relative; overflow: hidden;
}

.nav-item::before {
    content: ''; position: absolute; left: 0; top: 10%; bottom: 10%; width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--accent)); 
    transform: scaleY(0); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 0 4px 4px 0; opacity: 0;
}

.nav-icon { font-size: 1.3rem; display: flex; align-items: center; justify-content: center; width: 28px; transition: var(--transition); opacity: 0.8; }
.nav-label { transition: var(--transition); }
.sidebar.collapsed .nav-label { opacity: 0; width: 0; display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 1rem; }

.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }
.nav-item:hover .nav-icon { transform: scale(1.15) translateY(-2px); opacity: 1; color: var(--primary-light); }

.nav-item.active { background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), transparent); color: #fff; }
.nav-item.active::before { transform: scaleY(1); opacity: 1; }
.nav-item.active .nav-icon { color: var(--primary-light); opacity: 1; filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.6)); }

.logout-nav { margin-top: auto; color: #fca5a5; }
.logout-nav:hover { background: rgba(239, 68, 68, 0.1); color: #f87171; }
.logout-nav:hover .nav-icon { color: #f87171; filter: drop-shadow(0 0 8px rgba(239, 68, 68, 0.6)); }
.sidebar-footer { padding: 1.5rem 1.2rem; border-top: 1px solid var(--border-light); }

/* ======== CONTENT WRAPPER ======== */
.content-wrapper { margin-left: 280px; flex: 1; min-width: 0; display: flex; flex-direction: column; transition: var(--transition); }
.sidebar.collapsed ~ .content-wrapper { margin-left: 90px; }

/* ======== TOP HEADER ======== */
.top-header {
    background: var(--bg-glass); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    padding: 1.2rem 2.5rem; display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 1.5rem; }
.menu-toggle-btn {
    display: none; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-light); width: 44px; height: 44px;
    border-radius: var(--radius-sm); cursor: pointer; font-size: 1.4rem; color: var(--text-main); align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm); transition: var(--transition);
}
.menu-toggle-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255,255,255,0.2); }

.header-titles .brand-title { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.5px; }
.header-titles .brand-title span { background: linear-gradient(135deg, var(--primary-light), var(--accent-light)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.header-titles .brand-subtitle { font-size: 0.9rem; color: var(--text-muted); margin-top: 0.2rem; font-weight: 300; }

.header-right { display: flex; align-items: center; gap: 1.2rem; }
.search-box {
    display: flex; align-items: center; background: rgba(255, 255, 255, 0.03); padding: 0.7rem 1.2rem; border-radius: var(--radius-full); gap: 0.8rem;
    border: 1px solid var(--border-light); box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); transition: var(--transition); min-width: 280px;
}
.search-box:focus-within { background: rgba(255, 255, 255, 0.06); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); }
.search-icon { color: var(--text-muted); font-size: 1.1rem; }
.search-box input { border: none; background: transparent; outline: none; width: 100%; font-size: 0.95rem; color: var(--text-main); }
.search-box input::placeholder { color: var(--text-muted); }

/* Buttons */
.btn-outline {
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-strong); color: var(--text-main);
    padding: 0.7rem 1.4rem; border-radius: var(--radius-full); font-weight: 500; font-size: 0.95rem;
    cursor: pointer; display: flex; align-items: center; gap: 0.6rem; transition: var(--transition); backdrop-filter: blur(10px);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--primary-light); color: var(--primary-light); transform: translateY(-2px); }

.btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--accent)); border: none; color: #fff;
    padding: 0.7rem 1.5rem; border-radius: var(--radius-full); font-weight: 600; font-size: 0.95rem;
    cursor: pointer; display: flex; align-items: center; gap: 0.6rem; transition: var(--transition);
    box-shadow: 0 8px 15px -3px rgba(99, 102, 241, 0.4);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 20px -5px rgba(99, 102, 241, 0.6); }

/* ======== MAIN CONTENT ======== */
.main-content { padding: 2.5rem; max-width: 1700px; margin: 0 auto; width: 100%; animation: fadeIn 0.6s ease; }

/* ======== FILTER SECTION ======== */
.filter-section {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.5rem;
    margin-bottom: 2.5rem; background: var(--bg-panel); padding: 1.2rem 2rem; border-radius: var(--radius-md);
    box-shadow: var(--shadow-md); border: 1px solid var(--border-light);
    backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}

.filter-tabs { display: flex; gap: 0.8rem; overflow-x: auto; padding-bottom: 0.5rem; }
.filter-tabs::-webkit-scrollbar { height: 4px; }
.filter-tabs::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.tab-btn {
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-light); color: var(--text-light);
    padding: 0.6rem 1.2rem; border-radius: var(--radius-full); font-weight: 500; font-size: 0.9rem;
    cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.tab-btn:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
.tab-btn.active { background: linear-gradient(135deg, var(--primary), var(--accent)); border-color: transparent; color: #fff; box-shadow: 0 6px 15px -3px rgba(99, 102, 241, 0.4); }

.filter-dates { display: flex; align-items: center; gap: 1.5rem; }
.date-field { display: flex; align-items: center; gap: 0.8rem; }
.date-field label { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); }
.date-field input {
    padding: 0.6rem 1rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
    background: rgba(0, 0, 0, 0.2); color: var(--text-main); font-family: inherit; font-size: 0.9rem; outline: none; transition: var(--transition);
    color-scheme: dark;
}
.date-field input:focus { border-color: var(--primary-light); background: rgba(0,0,0,0.4); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); }

/* ======== DASHBOARD GRID ======== */
.dashboard-grid { display: grid; grid-template-columns: 400px 1fr; gap: 2rem; align-items: start; }
.left-column { display: flex; flex-direction: column; gap: 2rem; }
.right-column { display: flex; flex-direction: column; gap: 2rem; }

/* ======== CARDS ======== */
.card {
    background: var(--bg-panel); border-radius: var(--radius-md); padding: 2rem;
    box-shadow: var(--shadow-md); border: 1px solid var(--border-light); transition: var(--transition);
    backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    position: relative; overflow: hidden;
}

.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    pointer-events: none;
}

.card:hover { box-shadow: var(--shadow-lg); border-color: rgba(255, 255, 255, 0.15); transform: translateY(-3px); }

.card-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.8rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--border-light); position: relative; z-index: 1; }
.card-icon { width: 42px; height: 42px; border-radius: 12px; background: rgba(99, 102, 241, 0.15); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--primary-light); box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.3); }
.card-title { font-weight: 600; font-size: 1.2rem; color: var(--text-main); flex: 1; letter-spacing: -0.3px; }
.table-count { font-size: 0.85rem; color: var(--primary-light); background: rgba(99, 102, 241, 0.15); padding: 0.4rem 0.8rem; border-radius: var(--radius-full); font-weight: 600; border: 1px solid rgba(99, 102, 241, 0.3); }

.summary-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    color: #fff; padding: 2.5rem 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
}
.summary-card::after { content: ''; position: absolute; right: -80px; top: -80px; width: 250px; height: 250px; background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%); border-radius: 50%; filter: blur(20px); }
.summary-card::before { content: ''; position: absolute; left: -40px; bottom: -60px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%); border-radius: 50%; filter: blur(20px); }

.summary-label { font-size: 1rem; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; color: var(--text-light); margin-bottom: 0.8rem; position: relative; z-index: 2; }
.summary-value { font-size: 3rem; font-weight: 800; margin: 0 0 1.2rem 0; letter-spacing: -1.5px; text-shadow: 0 4px 15px rgba(0,0,0,0.3); position: relative; z-index: 2; line-height: 1.1; }
.summary-meta { display: flex; align-items: center; gap: 1rem; position: relative; z-index: 2; }
.member-badge { background: rgba(0, 0, 0, 0.3); backdrop-filter: blur(10px); padding: 0.5rem 1rem; border-radius: var(--radius-full); font-size: 0.9rem; font-weight: 500; display: inline-flex; align-items: center; gap: 0.6rem; border: 1px solid rgba(255,255,255,0.1); }

/* ======== CHARTS ======== */
.chart-wrapper { height: 380px; width: 100%; position: relative; z-index: 1; }
.donut-wrapper { height: 240px; width: 100%; display: flex; justify-content: center; position: relative; margin-bottom: 1.5rem; z-index: 1; }
.donut-legend { display: flex; flex-direction: column; gap: 0.8rem; max-height: 180px; overflow-y: auto; padding-right: 0.5rem; position: relative; z-index: 1; }
.donut-legend::-webkit-scrollbar { width: 4px; }

.legend-item { display: flex; align-items: center; justify-content: space-between; font-size: 0.9rem; padding: 0.6rem 0.8rem; border-radius: var(--radius-sm); transition: background 0.2s; background: rgba(0,0,0,0.15); border: 1px solid transparent; }
.legend-item:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }
.legend-left { display: flex; align-items: center; gap: 0.8rem; }
.legend-dot { width: 14px; height: 14px; border-radius: 4px; display: block; box-shadow: 0 0 8px currentColor; }
.legend-label { color: var(--text-light); font-weight: 400; }
.legend-right { text-align: right; display: flex; flex-direction: column; }
.legend-value { font-weight: 600; color: var(--text-main); }
.legend-pct { font-size: 0.8em; color: var(--text-muted); font-weight: 500; }

/* ======== TABLE ======== */
.table-responsive { overflow-x: auto; background: rgba(0, 0, 0, 0.2); border-radius: var(--radius-sm); border: 1px solid var(--border-light); position: relative; z-index: 1; }
table { width: 100%; border-collapse: separate; border-spacing: 0; text-align: left; }
th { background: rgba(255, 255, 255, 0.03); padding: 1.2rem 1.5rem; color: var(--text-muted); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; border-bottom: 1px solid var(--border-strong); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); }
td { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border-light); color: var(--text-light); font-size: 0.95rem; vertical-align: middle; transition: background 0.3s; }
tbody tr { transition: background 0.2s, transform 0.2s; }
tbody tr:hover { background: rgba(255, 255, 255, 0.04); transform: scale(1.002); }
tbody tr:last-child td { border-bottom: none; }
.text-right { text-align: right; }
.td-detail-name { display: block; font-weight: 600; color: #fff; margin-bottom: 0.3rem; font-size: 1rem; letter-spacing: 0.2px; }
.td-detail-sub { display: block; font-size: 0.85rem; color: var(--text-muted); font-weight: 300; }
.td-amount { display: inline-block; padding: 0.4rem 0.8rem; border-radius: var(--radius-sm); background: rgba(16, 185, 129, 0.1); color: #34d399; font-family: monospace; font-size: 1.05rem; border: 1px solid rgba(16, 185, 129, 0.2); letter-spacing: 0.5px; }

/* ======== PAGINATION ======== */
.table-pagination { display: flex; justify-content: space-between; align-items: center; padding-top: 1.5rem; margin-top: 2rem; border-top: 1px solid var(--border-light); position: relative; z-index: 1; }
.pagination-info { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; background: rgba(0,0,0,0.2); padding: 0.4rem 1rem; border-radius: var(--radius-full); }
.pagination-btn { padding: 0.6rem 1.2rem; border-radius: var(--radius-full); border: 1px solid var(--border-strong); background: rgba(255, 255, 255, 0.05); color: var(--text-main); font-weight: 500; font-size: 0.9rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.pagination-btn:hover:not(:disabled) { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3); }
.pagination-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ======== LOADERS & OVERLAYS ======== */
.sidebar-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(5px); z-index: 150; display: none; opacity: 0; transition: opacity 0.4s; }
.sidebar-overlay.active { display: block; opacity: 1; }

.loading-overlay { position: fixed; inset: 0; background: rgba(11, 15, 25, 0.8); backdrop-filter: blur(10px); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 999; }
.loader-spinner { width: 60px; height: 60px; border: 4px solid rgba(255,255,255,0.1); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite; margin-bottom: 1.5rem; box-shadow: var(--shadow-glow); }
.loading-overlay p { color: #fff; font-weight: 500; font-size: 1.2rem; letter-spacing: 1px; }

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

/* Responsive */
@media (max-width: 1400px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .left-column { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
    .summary-card { grid-column: 1 / -1; }
}

@media (max-width: 992px) {
    .left-column { grid-template-columns: 1fr; }
    .filter-section { flex-direction: column; align-items: flex-start; }
    .filter-dates { flex-wrap: wrap; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); width: 300px; }
    .sidebar.active { transform: translateX(0); }
    .sidebar.collapsed { width: 300px; } 
    .content-wrapper { margin-left: 0 !important; }
    .menu-toggle-btn { display: flex; }
    .top-header { padding: 1.2rem; flex-direction: column; gap: 1.5rem; align-items: stretch; }
    .header-left { justify-content: space-between; }
    .header-right { flex-direction: column; align-items: stretch; }
    .search-box { width: 100%; min-width: auto; }
    .main-content { padding: 1.2rem; }
    .table-pagination { flex-direction: column; gap: 1.5rem; }
}

/* Scrollbar Customization */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background-color: rgba(255, 255, 255, 0.3); }