@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-color: #0b0b17;
    --bg-deep: #15102b;
    --bg-accent: #3b0b5e;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --primary: #ff3b30;
    --secondary: #2bc0e4;
    --text: #ffffff;
    --muted: rgba(255,255,255,0.6);
    --shadow-1: 0 20px 45px rgba(0,0,0,0.35);
}

body {
    background:
        radial-gradient(1200px 600px at 10% 10%, rgba(255,59,48,0.12), transparent 60%),
        radial-gradient(900px 500px at 90% 20%, rgba(43,192,228,0.12), transparent 55%),
        linear-gradient(160deg, var(--bg-color), var(--bg-deep) 60%, #06040f);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    min-height: 100vh;
    letter-spacing: 0.2px;
}

.theme-light {
    background: linear-gradient(160deg, #f2f4ff, #e7e9f4 50%, #ffffff);
    color: #1b1d26;
}
.theme-light .glass-card {
    background: rgba(255,255,255,0.8);
    border-color: rgba(0,0,0,0.08);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}
.theme-light .text-white,
.theme-light .text-white-50,
.theme-light .text-muted {
    color: #1b1d26 !important;
}
.theme-light .table-dark {
    color: #1b1d26;
    --bs-table-bg: rgba(255,255,255,0.8);
    --bs-table-striped-bg: rgba(0,0,0,0.03);
}

.navbar h3 {
    letter-spacing: 2px;
}

/* Glass Card Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    box-shadow: var(--shadow-1);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 30px 60px rgba(0,0,0,0.45);
}

/* Custom Progress Bar */
.progress {
    background-color: rgba(255,255,255,0.1);
    height: 8px;
    border-radius: 10px;
}
.progress-bar {
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    box-shadow: 0 0 10px var(--primary);
}

/* Queue List */
.queue-item {
    background: rgba(0,0,0,0.2);
    border-left: 3px solid transparent;
    transition: all 0.2s;
}
.queue-item:hover {
    background: rgba(255,255,255,0.05);
    border-left: 3px solid var(--primary);
}

/* Album Art Animation */
.album-art {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
    from { box-shadow: 0 0 10px var(--secondary); }
    to { box-shadow: 0 0 20px var(--primary); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0f0c29; }
::-webkit-scrollbar-thumb { background: var(--secondary); border-radius: 4px; }

/* Buttons and inputs */
.btn {
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.btn-primary {
    background: linear-gradient(120deg, var(--primary), #ff7a6c);
    border: none;
    box-shadow: 0 10px 24px rgba(255,59,48,0.35);
}
.btn-primary:hover {
    filter: brightness(1.05);
}
.btn-outline-light, .btn-outline-warning, .btn-outline-info {
    border-width: 1px;
}

.form-control, .form-select {
    border-radius: 12px;
    border-color: rgba(255,255,255,0.2);
}
.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(255,59,48,0.25);
    border-color: rgba(255,59,48,0.7);
}

.text-muted, .text-white-50 {
    color: var(--muted) !important;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast-message {
    display: block;
    min-width: 220px;
    max-width: 320px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text);
    box-shadow: 0 12px 28px rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(8px);
    animation: toast-in 0.25s ease forwards;
}
.toast-message.success { border-color: rgba(43,192,228,0.5); }
.toast-message.warning { border-color: rgba(255,193,7,0.6); }
.toast-message.error { border-color: rgba(255,59,48,0.6); }
.toast-message small { color: var(--muted); }

@keyframes toast-in {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
    to { opacity: 0; transform: translateY(8px); }
}

/* Dropdown results */
.list-group-item {
    background: rgba(12,12,22,0.95);
    color: var(--text);
    border-color: rgba(255,255,255,0.08);
}
.list-group-item:hover {
    background: rgba(255,255,255,0.08);
}

/* Reports UI */
.reports-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
}
.reports-filters {
    min-width: 320px;
}
.reports-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tab-btn {
    background: rgba(255,255,255,0.08);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 8px 14px;
    border-radius: 12px;
    font-weight: 600;
}
.tab-btn.active {
    background: linear-gradient(120deg, var(--primary), #ff7a6c);
    border: none;
}
.tab-panel {
    display: none;
}
.tab-panel.active {
    display: block;
}
.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    min-height: 220px;
}
.heatmap-cell {
    width: 100%;
    padding-top: 100%;
    border-radius: 6px;
    background: rgba(255,255,255,0.08);
}
.kpi-card {
    min-height: 110px;
}
.skeleton {
    position: relative;
    overflow: hidden;
}
.skeleton::after {
    content: "";
    position: absolute;
    top: 0;
    left: -150px;
    height: 100%;
    width: 150px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: skeleton 1.2s infinite;
}
@keyframes skeleton {
    to { left: 100%; }
}