/* Premium WebVoice Theme */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Modern Color Palette */
    --primary-hue: 220;
    --primary-sat: 90%;
    --primary-lig: 56%;

    --primary: hsl(var(--primary-hue), var(--primary-sat), var(--primary-lig));
    --primary-dark: hsl(var(--primary-hue), var(--primary-sat), 45%);
    --primary-light: hsl(var(--primary-hue), var(--primary-sat), 96%);
    --primary-glow: hsla(var(--primary-hue), var(--primary-sat), var(--primary-lig), 0.35);

    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-sidebar: #0f172a;

    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #f1f5f9;

    --border-color: #e2e8f0;

    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Support (Optional base for future) */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable auto dark mode, or toggle via class */
    /* :root {
        --bg-body: #0f172a;
        --bg-surface: #1e293b;
        --text-main: #f1f5f9;
        --text-muted: #94a3b8;
        --border-color: #334155;
    } */
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.025em;
    color: var(--text-main);
}

/* --- Sidebar Styling --- */
#sidebar {
    background: var(--bg-sidebar) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.1);
}

#sidebar .nav-link {
    color: #94a3b8 !important;
    border-radius: var(--radius-md);
    margin: 0.05rem 0.5rem;
    padding: 0.35rem 0.75rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

#sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #fff !important;
    transform: translateX(4px);
    padding-left: 1rem !important;
    /* Override inline style */
}

#sidebar .nav-link.active,
#sidebar .nav-link[href*="current"] {
    /* Fallback selector logic */
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#sidebar .nav-link i {
    margin-right: 0.75rem;
    font-size: 1.1em;
    vertical-align: text-bottom;
}

/* Sidebar Brand */
#sidebar h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    margin-bottom: 0.25rem;
}

/* --- Card Styling --- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
}

.card-body {
    padding: 1.5rem;
}

/* --- Button Styling --- */
.btn {
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 8px 15px -3px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* --- Form Controls --- */
.form-control,
.form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background-color: var(--bg-surface);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* --- Alerts --- */
.alert {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* --- Glassmorphism Utilities --- */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* --- Animations --- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeIn 0.5s ease-out forwards;
}

/* --- Footer --- */
footer {
    background: var(--bg-surface) !important;
    /* Override dark bg */
    border-top: 1px solid var(--border-color);
    color: var(--text-muted) !important;
}

footer a {
    color: var(--text-muted) !important;
    transition: var(--transition);
}

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