/* ============================================================
   BRFR Volunteer Tracking - Design System
   ============================================================ */

:root {
    /* Primary */
    --color-primary: #000066;
    --color-primary-dark: #000044;
    --color-primary-light: #1a1a80;

    /* Sidebar */
    --color-sidebar-bg: #0a0a3d;
    --color-sidebar-hover: #14145c;
    --color-sidebar-active: #000066;
    --color-sidebar-text: #c8c8e6;
    --color-sidebar-text-active: #ffffff;

    /* Page */
    --color-page-bg: #f4f6f9;
    --color-card-bg: #ffffff;

    /* Text */
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a6a;
    --color-text-muted: #7a7a9a;

    /* Borders */
    --color-border: #d8dce6;
    --color-border-light: #e8ecf2;

    /* Status */
    --color-success: #0d6650;
    --color-success-bg: #e6f5f0;
    --color-warning: #7a5c00;
    --color-warning-bg: #fef8e6;
    --color-danger: #8b1a2b;
    --color-danger-bg: #fde8ec;
    --color-info: #0a4d6e;
    --color-info-bg: #e6f2f8;

    /* Layout */
    --sidebar-width: 250px;
    --header-height: 60px;
}

/* ============================================================
   Base
   ============================================================ */
body {
    background-color: var(--color-page-bg);
    color: var(--color-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ============================================================
   Sidebar
   ============================================================ */
.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--color-sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand h5 {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0;
    letter-spacing: 0.5px;
}

.sidebar-brand small {
    color: var(--color-sidebar-text);
    font-size: 0.75rem;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
}

.sidebar-nav .nav-section {
    padding: 0.5rem 1.5rem 0.25rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(200, 200, 230, 0.5);
    margin-top: 0.5rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.5rem;
    color: var(--color-sidebar-text);
    font-size: 0.875rem;
    text-decoration: none;
    border-radius: 0;
    transition: background-color 0.15s, color 0.15s;
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--color-sidebar-hover);
    color: #ffffff;
}

.sidebar-nav .nav-link.active {
    background-color: var(--color-sidebar-active);
    color: var(--color-sidebar-text-active);
    font-weight: 500;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-footer .user-name {
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 500;
}

.sidebar-footer .user-role {
    color: var(--color-sidebar-text);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-footer .btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    color: var(--color-sidebar-text);
    background: transparent;
    border: 1px solid rgba(200, 200, 230, 0.25);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
}

.sidebar-footer .btn-logout:hover {
    background-color: var(--color-sidebar-hover);
    color: #ffffff;
}

/* ============================================================
   App Main + Header
   ============================================================ */
.app-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.app-header {
    height: var(--header-height);
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.app-header .header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-header .header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-header .hamburger-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 0.25rem;
}

.app-content {
    padding: 1.5rem;
}

/* ============================================================
   Sidebar Mobile
   ============================================================ */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .app-main {
        margin-left: 0;
    }

    .app-header .hamburger-btn {
        display: block;
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1035;
    }
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

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

/* Stat cards with left accent border */
.stat-card {
    border-left: 4px solid var(--color-primary);
    border-radius: 0.5rem;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card .stat-icon.icon-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}

.stat-card .stat-icon.icon-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
}

.stat-card .stat-icon.icon-primary {
    background-color: #e8e8f5;
    color: var(--color-primary);
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-primary {
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary);
    --bs-btn-hover-border-color: var(--color-primary);
    --bs-btn-hover-color: #ffffff;
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-active-color: #ffffff;
}

.btn-success {
    --bs-btn-bg: var(--color-success);
    --bs-btn-border-color: var(--color-success);
    --bs-btn-hover-bg: #0a5240;
    --bs-btn-hover-border-color: #0a5240;
    --bs-btn-active-bg: #084535;
    --bs-btn-active-border-color: #084535;
}

.btn-danger {
    --bs-btn-bg: var(--color-danger);
    --bs-btn-border-color: var(--color-danger);
    --bs-btn-hover-bg: #6e1522;
    --bs-btn-hover-border-color: #6e1522;
    --bs-btn-active-bg: #5a111c;
    --bs-btn-active-border-color: #5a111c;
}

.btn-outline-secondary {
    --bs-btn-color: var(--color-text-secondary);
    --bs-btn-border-color: var(--color-border);
}

/* ============================================================
   Status Badges
   ============================================================ */
.badge-status-approved {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    font-weight: 500;
}

.badge-status-pending {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    font-weight: 500;
}

.badge-status-rejected {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    font-weight: 500;
}

.badge-status-locked {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    font-weight: 500;
}

.badge-status-open {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    font-weight: 500;
}

.badge-status-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    font-weight: 500;
}

/* Override Bootstrap badge defaults for our status colors */
.bg-success {
    background-color: var(--color-success) !important;
}

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

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

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

/* ============================================================
   Tables
   ============================================================ */
.table {
    --bs-table-bg: transparent;
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.table > thead {
    border-bottom: 2px solid var(--color-border-light);
}

.table > thead th {
    background-color: var(--color-page-bg);
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    border: none;
}

.table > tbody > tr {
    border-bottom: 1px solid var(--color-border-light);
}

.table > tbody > tr > td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table-hover > tbody > tr:hover {
    background-color: rgba(0, 0, 102, 0.02);
}

/* Remove default table-light styling */
.table-light {
    --bs-table-bg: var(--color-page-bg);
    --bs-table-border-color: var(--color-border-light);
}

/* ============================================================
   Forms
   ============================================================ */
.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 102, 0.15);
}

.form-label {
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* ============================================================
   Alerts
   ============================================================ */
.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: #b8e6d8;
}

.alert-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: #f5c6ce;
}

.alert-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: #f5e6b8;
}

.alert-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-color: #b8dae8;
}

/* ============================================================
   Progress Bars
   ============================================================ */
.progress {
    height: 0.5rem;
    border-radius: 1rem;
    background-color: var(--color-border-light);
}

.progress-bar {
    border-radius: 1rem;
}

.progress-bar.bg-primary,
.progress-bar:not([class*="bg-"]) {
    background-color: var(--color-primary) !important;
}

.progress-bar.bg-success {
    background-color: var(--color-success) !important;
}

/* ============================================================
   Breadcrumbs
   ============================================================ */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.breadcrumb-item a {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-text-muted);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    --bs-pagination-active-bg: var(--color-primary);
    --bs-pagination-active-border-color: var(--color-primary);
    --bs-pagination-color: var(--color-primary);
    --bs-pagination-hover-color: var(--color-primary-dark);
    --bs-pagination-focus-box-shadow: 0 0 0 0.25rem rgba(0, 0, 102, 0.15);
}

/* ============================================================
   Notification Bell
   ============================================================ */
.notification-bell {
    position: relative;
}

.notification-bell .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.65rem;
    background-color: var(--color-danger) !important;
}

.notification-bell .dropdown-menu {
    border: 1px solid var(--color-border-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
}

/* ============================================================
   Calendar
   ============================================================ */
.calendar-table td {
    height: 100px;
    vertical-align: top;
    width: 14.28%;
    border: 1px solid var(--color-border-light);
}

.calendar-table .calendar-event {
    font-size: 0.75rem;
    padding: 2px 6px;
    margin-bottom: 2px;
    border-radius: 4px;
    cursor: pointer;
    background-color: #e8e8f5;
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.calendar-table .calendar-event:hover {
    background-color: #d8d8ed;
}

.calendar-table thead th {
    background-color: var(--color-page-bg);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.5rem;
    text-align: center;
}

/* ============================================================
   Login Page
   ============================================================ */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-sidebar-bg) 0%, var(--color-primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--color-card-bg);
    border-radius: 0.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-brand h3 {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.login-brand p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* ============================================================
   Dropdown Menus
   ============================================================ */
.dropdown-menu {
    border: 1px solid var(--color-border-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 0.5rem;
}

.dropdown-item:active {
    background-color: var(--color-primary);
}

/* ============================================================
   Utilities
   ============================================================ */
.text-primary {
    color: var(--color-primary) !important;
}

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

/* Link within stat cards */
.stat-card a {
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
}

.stat-card a:hover {
    text-decoration: underline;
}

/* Responsive tables on mobile */
@media (max-width: 767.98px) {
    .app-content {
        padding: 1rem;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .table {
        font-size: 0.8rem;
    }

    .table > tbody > tr > td,
    .table > thead th {
        padding: 0.5rem 0.6rem;
    }
}

/* ============================================================
   Focus & Transitions
   ============================================================ */
.btn {
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus-visible {
    box-shadow: 0 0 0 0.25rem rgba(0, 0, 102, 0.25);
}

.nav-link {
    transition: color 0.15s ease, background-color 0.15s ease;
}

.card {
    transition: box-shadow 0.15s ease;
}