/* ============================================================
   Dashboard Adsterra — Ultra Premium Glassmorphic & Modern CSS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

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

:root {
    --bg-base:       #06080d;
    --bg-surface:    #0c0f17;
    --bg-card:       rgba(18, 22, 33, 0.7);
    --bg-card-hover: rgba(26, 32, 48, 0.85);
    --bg-input:      rgba(13, 16, 24, 0.8);
    --border:        rgba(255, 255, 255, 0.08);
    --border-hover:  rgba(255, 255, 255, 0.16);
    --border-accent: rgba(99, 102, 241, 0.35);

    --accent:        #6366f1;
    --accent-glow:   rgba(99, 102, 241, 0.25);
    --accent-light:  #818cf8;
    --green:         #10b981;
    --green-glow:    rgba(16, 185, 129, 0.2);
    --yellow:        #f59e0b;
    --red:           #ef4444;
    --purple:        #a855f7;

    --text-primary:  #f8fafc;
    --text-secondary:#94a3b8;
    --text-muted:    #64748b;

    --radius-xl:     20px;
    --radius:        14px;
    --radius-sm:     10px;
    
    --shadow:        0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(99, 102, 241, 0.05);
    --shadow-card:   0 4px 20px -2px rgba(0, 0, 0, 0.4);

    --sidebar-w:     260px;
    --header-h:      70px;
    --transition:    0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

html, body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(168, 85, 247, 0.06) 0%, transparent 45%);
    background-attachment: fixed;
}

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

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* ── Layout ── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-w);
    background: rgba(10, 13, 20, 0.85);
    border-right: 1px solid rgba(255, 255, 255, 0.07);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition);
    backdrop-filter: blur(24px);
    box-shadow: 5px 0 25px rgba(0,0,0,0.3);
}

.sidebar-logo {
    padding: 26px 24px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, transparent 100%);
}

.sidebar-logo .logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: 0 0 25px rgba(99, 102, 241, 0.4), inset 0 1px 1px rgba(255,255,255,0.4);
    border: 1px solid rgba(255,255,255,0.2);
}

.sidebar-logo .logo-text {
    font-size: 17px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.03em;
    line-height: 1.2;
}
.sidebar-logo .logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 20px 14px;
}

.nav-section {
    padding: 14px 12px 6px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #475569;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 11px 16px;
    margin-bottom: 5px;
    border-radius: 12px;
    color: #94a3b8;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    border: 1px solid transparent;
    position: relative;
}
.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #f8fafc;
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, 0.05);
}
.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(99, 102, 241, 0.08) 100%);
    color: #ffffff;
    border: 1px solid rgba(99, 102, 241, 0.4);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15), inset 0 1px 0 rgba(255,255,255,0.1);
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: -14px;
    top: 20%;
    bottom: 20%;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background: #6366f1;
    box-shadow: 0 0 12px #6366f1;
}
.nav-item .nav-icon { 
    font-size: 18px; 
    width: 22px; 
    text-align: center;
    transition: transform 0.2s ease;
}
.nav-item:hover .nav-icon {
    transform: scale(1.15);
}

.sidebar-footer {
    padding: 18px 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(6, 9, 15, 0.6);
}
.sidebar-footer .sync-info { 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-weight: 600;
    font-size: 12px;
    color: #94a3b8;
}
.pulse-dot {
    width: 8px; height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--green);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { opacity: 1; box-shadow: 0 0 0 0 var(--green-glow); }
    50% { opacity: 0.6; box-shadow: 0 0 0 6px transparent; }
}

/* ── Main Content ── */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Header ── */
.header {
    height: var(--header-h);
    background: rgba(12, 15, 23, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-title {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}
.header-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    font-family: inherit;
    letter-spacing: -0.01em;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #4f46e5);
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-color: var(--border);
    backdrop-filter: blur(10px);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.09);
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}
.btn-danger {
    background: rgba(239, 68, 68, 0.12);
    color: var(--red);
    border-color: rgba(239, 68, 68, 0.25);
}
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.22);
    transform: translateY(-1px);
}
.btn-success {
    background: rgba(16, 185, 129, 0.12);
    color: var(--green);
    border-color: rgba(16, 185, 129, 0.25);
}
.btn-success:hover { 
    background: rgba(16, 185, 129, 0.22); 
    transform: translateY(-1px);
}
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }

/* ── Page Content ── */
.page-content {
    padding: 32px;
    flex: 1;
}

/* ── KPI Grid ── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 18px;
    margin-bottom: 32px;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}
.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.kpi-card {
    padding: 22px;
    position: relative;
    overflow: hidden;
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: var(--radius) var(--radius) 0 0;
}
.kpi-card.green::before { background: linear-gradient(90deg, var(--green), transparent); }
.kpi-card.blue::before  { background: linear-gradient(90deg, var(--accent), transparent); }
.kpi-card.yellow::before{ background: linear-gradient(90deg, var(--yellow), transparent); }
.kpi-card.purple::before{ background: linear-gradient(90deg, var(--purple), transparent); }
.kpi-card.red::before   { background: linear-gradient(90deg, var(--red), transparent); }

.kpi-label {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.kpi-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.03em;
}
.kpi-change {
    font-size: 12px;
    margin-top: 8px;
    font-weight: 600;
}
.kpi-change.up { color: var(--green); }
.kpi-change.down { color: var(--red); }
.kpi-icon {
    position: absolute;
    top: 20px; right: 20px;
    font-size: 22px;
    opacity: 0.45;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

/* ── Chart Cards ── */
.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}
.chart-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}
.chart-card {
    padding: 24px;
}
.chart-card.full-width {
    grid-column: 1 / -1;
}
.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.chart-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.chart-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}
.chart-container {
    position: relative;
    height: 230px;
}

/* ── Table ── */
.table-card { padding: 0; overflow: hidden; }
.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.01);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th {
    padding: 14px 20px;
    text-align: left;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}
.data-table td {
    padding: 14px 20px;
    font-size: 13.5px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}
.data-table tr:hover td { background: rgba(255,255,255,0.025); }
.data-table tr:last-child td { border-bottom: none; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 11.5px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}
.badge-green { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.2); }
.badge-red   { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }
.badge-blue  { background: rgba(99,102,241,0.15); color: var(--accent-light); border: 1px solid rgba(99,102,241,0.2); }
.badge-yellow{ background: rgba(245,158,11,0.15); color: var(--yellow); border: 1px solid rgba(245,158,11,0.2); }

/* ── Filter Bar ── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 7px 16px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    color: var(--text-secondary);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--accent-glow);
    border-color: var(--border-accent);
    color: #ffffff;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 6, 10, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}
.modal {
    background: #0f131c;
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 540px;
    padding: 32px;
    transform: translateY(20px) scale(0.96);
    transition: transform var(--transition);
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
}
.modal-overlay.open .modal {
    transform: translateY(0) scale(1);
}
.modal-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 24px;
}

/* ── Form Elements ── */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.form-control {
    width: 100%;
    padding: 11px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(18, 22, 33, 0.95);
}

/* ── Fee Cascade Display ── */
.fee-cascade {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    margin-top: 14px;
}
.fee-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 13px;
}
.fee-row.total {
    border-top: 1px solid var(--border);
    margin-top: 10px;
    padding-top: 12px;
    font-weight: 800;
    font-size: 15px;
    color: var(--green);
}
.fee-label { color: var(--text-secondary); font-weight: 500; }
.fee-deduction { color: var(--red); font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.fee-result { color: var(--text-primary); font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.fee-arrow { color: var(--text-muted); font-size: 11px; padding: 2px 0; text-align: center; }

/* ── Alert Toast ── */
.toast-container {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}
.toast {
    background: rgba(18, 22, 33, 0.95);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    min-width: 280px;
    max-width: 380px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(12px);
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.success { border-left: 4px solid var(--green); }
.toast.error   { border-left: 4px solid var(--red); }
.toast.warning { border-left: 4px solid var(--yellow); }
@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}
.toast-close { margin-left: auto; cursor: pointer; color: var(--text-muted); background: none; border: none; font-size: 18px; }

/* ── Login Page ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    background-image:
        radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 50%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: rgba(18, 22, 33, 0.8);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
    box-shadow: 0 0 30px var(--accent-glow);
}
.login-title { font-size: 22px; font-weight: 800; text-align: center; letter-spacing: -0.02em; }
.login-sub { color: var(--text-muted); font-size: 13px; text-align: center; margin-top: 6px; font-weight: 500; }

/* ── Responsive ── */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .chart-grid { grid-template-columns: 1fr; }
    .chart-grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 30px rgba(0,0,0,0.8);
    }
    .main-content {
        margin-left: 0;
    }
    .mobile-toggle { display: flex; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .page-content { padding: 20px; }
    .header { padding: 0 20px; }
}
@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
}