@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
    /* Google Material Design 3 Colors */
    --md-primary: #1a73e8;
    --md-primary-dark: #1557b0;
    --md-primary-light: #e8f0fe;
    --md-surface: #ffffff;
    --md-background: #f0f2f5;
    --md-text: #202124;
    --md-text-secondary: #5f6368;
    --md-divider: #e0e0e0;
    
    /* Material Elevations */
    --md-elevation-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --md-elevation-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --md-elevation-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--md-background);
    color: var(--md-text);
    -webkit-font-smoothing: antialiased;
}

/* Navigation Top Bar */
.navbar.bg-primary {
    background-color: var(--md-primary) !important;
    box-shadow: var(--md-elevation-2);
    border-bottom: none;
    padding: 12px 16px;
}
.navbar-brand {
    font-weight: 500 !important;
    letter-spacing: 0.25px;
}
/* Ensure hamburger menu is ALWAYS visible even on desktop */
.navbar-toggler {
    display: inline-block !important;
}
.navbar-toggler:focus {
    box-shadow: none !important;
}

/* Material Cards */
.card {
    background-color: var(--md-surface);
    border: none !important;
    border-radius: 16px !important;
    box-shadow: var(--md-elevation-1);
    transition: box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--md-elevation-2);
}

/* Material Buttons */
.btn {
    border-radius: 24px !important;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1.25px;
    padding: 10px 24px;
    font-size: 0.875rem;
    transition: all 0.2s ease-in-out;
    border: none;
}

.btn-primary {
    background-color: var(--md-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--md-primary-dark) !important;
    box-shadow: 0 5px 5px -3px rgba(0,0,0,0.2), 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: scale(0.98);
    box-shadow: var(--md-elevation-1);
}

.btn-outline-primary {
    border: 1px solid var(--md-divider) !important;
    color: var(--md-primary) !important;
    background-color: transparent !important;
}

.btn-outline-primary:hover {
    background-color: var(--md-primary-light) !important;
    border-color: var(--md-primary) !important;
}

/* Floating Action Button (FAB) Additions */
.btn-fab {
    border-radius: 50% !important;
    width: 56px;
    height: 56px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

/* Material Inputs */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid var(--md-divider);
    padding: 12px 16px;
    background-color: #fafafa;
    color: var(--md-text);
    transition: all 0.3s;
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--md-primary);
    box-shadow: inset 0 0 0 1px var(--md-primary), 0 0 0 0.2rem var(--md-primary-light);
    background-color: var(--md-surface);
}

/* Input Groups */
.input-group-text {
    border: none;
    background-color: #fafafa;
    border-radius: 12px 0 0 12px;
}
.input-group .form-control {
    border-left: none;
    border-radius: 0 12px 12px 0;
}

/* Material List Groups */
.list-group {
    border-radius: 16px !important;
    box-shadow: var(--md-elevation-1);
    overflow: hidden;
    border: none;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid var(--md-divider);
    padding: 16px 20px;
    background-color: var(--md-surface);
    transition: background-color 0.2s ease;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item-action:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

.list-group-item-action:active {
    background-color: var(--md-primary-light);
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    color: var(--md-text);
}

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

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

.badge {
    border-radius: 12px;
    padding: 6px 10px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

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

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

/* Offcanvas Sidebar Material Styling */
.offcanvas {
    border-right: none;
    box-shadow: var(--md-elevation-3);
}
.offcanvas-header.bg-primary {
    background-color: var(--md-primary) !important;
}
.offcanvas-body .list-group-item {
    border-radius: 0 24px 24px 0 !important;
    margin-right: 16px;
    border: none !important;
    margin-bottom: 4px;
    font-weight: 500;
}
.offcanvas-body .list-group-item.active {
    background-color: var(--md-primary-light) !important;
    color: var(--md-primary) !important;
}
.offcanvas-body .list-group-item:hover:not(.active) {
    background-color: rgba(0,0,0,0.04) !important;
}

/* Tables */
.table {
    background-color: var(--md-surface);
    border-radius: 12px;
    overflow: hidden;
}
.table thead th {
    border-bottom: 2px solid var(--md-divider);
    font-weight: 500;
    color: var(--md-text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
}

/* Login specific layout fixes */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--md-surface);
    border-radius: 24px !important;
    box-shadow: var(--md-elevation-3);
    overflow: hidden;
    border: none;
}