/* assets/styles/app.css */

/* 1. Identity & Color System */
:root {
    /* Primary Palette */
    --primary: #009688;
    --primary-dark: #00695C;
    --secondary: #546E7A;
    --accent: #FFC107;

    /* Surface & Background */
    --bg-body: #F4F6F8;
    --bg-surface: #FFFFFF;
    --text-main: #263238;
    --text-body: #455A64;
    --text-light: #78909C;

    /* Functional */
    --success: #4CAF50;
    --danger: #F44336;
    --info: #03A9F4;
    --warning: #FF9800;

    /* Spacing */
    --spacer: 8px;

    /* Borders & Radius */
    --border-radius: 12px;
    --border-color: rgba(0, 0, 0, 0.08);
}

/* 2. Global Resets */
body {
    background-color: var(--bg-body);
    color: var(--text-body);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-main);
    font-weight: 600;
}

/* 3. Helper Classes */
.text-primary {
    color: var(--primary) !important;
}

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

.text-secondary {
    color: var(--secondary) !important;
}

/* 4. Atomic Components */

/* Cards */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    /* Soft shadow */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    /* Lift effect */
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--primary-dark);
    padding: 1rem 1.25rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    text-transform: none;
    /* Material Design 3 uses sentence case */
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--secondary);
    color: var(--secondary);
}

.btn-secondary:hover {
    background-color: rgba(84, 110, 122, 0.1);
    color: var(--secondary);
    border-color: var(--secondary);
}

/* Outline Buttons (as Material Outlined) */
.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: rgba(0, 150, 136, 0.08);
    /* Tinted background */
    color: var(--primary);
    border-color: var(--primary);
}

/* Forms (Floating Labels Override) */
.form-floating>.form-control {
    border: none;
    border-bottom: 1px solid #CFD8DC;
    border-radius: 4px 4px 0 0;
    background-color: #F8F9FA;
}

.form-floating>.form-control:focus {
    box-shadow: none;
    border-bottom: 2px solid var(--primary);
    background-color: #FFFFFF;
}

.form-floating>label {
    color: var(--text-light);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.alert-info {
    background-color: #E1F5FE;
    /* Light Blue 50 */
    color: #0277BD;
    /* Light Blue 800 */
    border-left: 4px solid #03A9F4;
}

.alert-success {
    background-color: #E8F5E9;
    color: #2E7D32;
    border-left: 4px solid var(--success);
}

/* 5. Layout Components */
.sidebar {
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
}

.sidebar .nav-link {
    color: var(--text-body);
    border-radius: 0 24px 24px 0;
    /* Material rounded end */
    margin-right: 1rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background-color: rgba(0, 150, 136, 0.05);
    color: var(--primary);
}

.sidebar .nav-link.active {
    background-color: rgba(0, 150, 136, 0.12);
    color: var(--primary);
    border-right: 3px solid var(--primary);
    /* Active indicator */
    font-weight: 600;
}

.sidebar-heading {
    color: var(--text-light);
    font-weight: 600;
}

.topbar {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

.brand-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Data Tables (Modern) */
.table-modern thead th {
    border-top: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-modern tbody td {
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    padding: 1rem 0.5rem;
    color: var(--text-body);
}

.table-modern tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Mobile Data Cards */
.data-card-grid {
    display: grid;
    gap: 1rem;
}

.data-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    background: var(--bg-surface);
}

.data-card-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.data-card-label {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.85rem;
}