/* Hafizmetre - Theme System */

:root {
    /* Bootstrap brand colors */
    --bs-primary: #0d6efd;
    --bs-success: #198754;
    --bs-danger: #dc3545;
    --bs-warning: #ffc107;
    --bs-info: #0dcaf0;

    /* Dark theme (default) */
    --bg-page:          #212529;
    --bg-sidebar:       #1a1a1a;
    --bg-surface:       #2c2c2c;
    --bg-elevated:      #333333;
    --border-color:     #444444;
    --sidebar-border:   #333333;
    --text-primary:     #ffffff;
    --text-secondary:   #cccccc;
    --text-muted:       #999999;
    --form-bg:          #2c2c2c;
    --form-border:      #444444;
    --form-text:        #ffffff;
    --form-placeholder: #999999;
    --table-header-bg:  #333333;
    --sidebar-link:     #cccccc;
    --sidebar-hover-bg: #333333;
}

body.light-theme {
    --bg-page:          #f0f2f5;
    --bg-sidebar:       #ffffff;
    --bg-surface:       #ffffff;
    --bg-elevated:      #f8f9fa;
    --border-color:     #dee2e6;
    --sidebar-border:   #dee2e6;
    --text-primary:     #212529;
    --text-secondary:   #495057;
    --text-muted:       #6c757d;
    --form-bg:          #ffffff;
    --form-border:      #ced4da;
    --form-text:        #212529;
    --form-placeholder: #6c757d;
    --table-header-bg:  #f8f9fa;
    --sidebar-link:     #495057;
    --sidebar-hover-bg: #f0f2f5;
}

body {
    background-color: var(--bg-page);
    color: var(--text-secondary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 250px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--sidebar-border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.sidebar.collapsed { width: 70px; }
.sidebar.collapsed .sidebar-header h4 { display: none; }
.sidebar.collapsed .sidebar-menu a { padding: 1rem 0.5rem; text-align: center; }
.sidebar.collapsed .sidebar-menu a i { margin-right: 0; font-size: 1.2rem; }
.sidebar.collapsed .sidebar-menu a span { display: none; }

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--sidebar-border);
    background-color: var(--bs-primary);
}

.sidebar-header h4 {
    margin: 0;
    color: white;
    font-weight: 600;
}

.sidebar-menu {
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar-menu li { border-bottom: 1px solid var(--sidebar-border); }

.sidebar-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--sidebar-link);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: var(--sidebar-hover-bg);
    color: var(--text-primary);
    border-left-color: var(--bs-primary);
}

.sidebar-menu i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    min-height: 100vh;
    background-color: var(--bg-page);
    transition: margin-left 0.3s ease, background-color 0.3s ease;
}

body.sidebar-collapsed .main-content { margin-left: 70px; }

/* Top Bar */
.topbar {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.topbar-left h5 { margin: 0; color: var(--text-primary); }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--bs-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.85rem;
}

/* Topbar icon buttons */
.btn-topbar {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-topbar:hover {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Content Area */
.content { padding: 2rem; }

/* Cards */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-header {
    background-color: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem 0.5rem 0 0;
}

.card-header h6 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.card-body { padding: 1.5rem; }

/* Tables */
.table {
    color: var(--text-secondary);
    background-color: transparent;
}

.table th {
    background-color: var(--table-header-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
}

.table td {
    border-color: var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover { background-color: var(--bg-elevated); }

/* Forms */
.form-control,
.form-select {
    background-color: var(--form-bg);
    border: 1px solid var(--form-border);
    color: var(--form-text);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--form-bg);
    border-color: var(--bs-primary);
    color: var(--form-text);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder { color: var(--form-placeholder); }

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

.form-check-label { color: var(--text-secondary); }

/* Input group */
.input-group-text {
    background-color: var(--bg-elevated);
    border: 1px solid var(--form-border);
    color: var(--text-secondary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Progress */
.progress {
    background-color: var(--bg-elevated);
}

/* List group */
.list-group-item {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Modal */
.modal-content {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
}
.modal-header, .modal-footer {
    border-color: var(--border-color);
}
.modal-title { color: var(--text-primary); }
.btn-close { filter: var(--btn-close-filter, none); }
body:not(.light-theme) .btn-close { filter: invert(1); }

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.btn-primary:hover { background-color: #0b5ed7; border-color: #0a58ca; }
.btn-danger { background-color: var(--bs-danger); border-color: var(--bs-danger); }
.btn-danger:hover { background-color: #bb2d3b; border-color: #b02a37; }
.btn-success { background-color: var(--bs-success); border-color: var(--bs-success); }
.btn-success:hover { background-color: #157347; border-color: #146c43; }

/* Secondary outline button */
.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color);
}
.btn-outline-secondary:hover {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Alerts */
.alert { border-radius: 0.5rem; border: none; }
.alert-success { background-color: rgba(25, 135, 84, 0.12); color: #75b798; border-left: 4px solid var(--bs-success); }
.alert-danger  { background-color: rgba(220, 53, 69, 0.12);  color: #f5c2c7; border-left: 4px solid var(--bs-danger); }
.alert-warning { background-color: rgba(255, 193, 7, 0.12);  color: #ffda6a; border-left: 4px solid var(--bs-warning); }
.alert-info    { background-color: rgba(13, 202, 240, 0.12); color: #6edff6; border-left: 4px solid var(--bs-info); }

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header h3 { color: var(--text-primary); margin-bottom: 0.5rem; }
.login-header p  { color: var(--text-secondary); margin: 0; }

/* Sidebar overlay (mobile) */
#sidebarOverlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 999;
}
#sidebarOverlay.show { display: block; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
    .content { padding: 1rem; }
    .topbar { padding: 0.75rem 1rem; }
}

/* Utilities */
.text-muted     { color: var(--text-muted) !important; }
.border-dark    { border-color: var(--border-color) !important; }
.shadow         { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important; }
.shadow-lg      { box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important; }