/* assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600&family=Sarabun:wght@400;500;600&display=swap');

:root {
    --primary-color: #86efac; /* Light green buttons */
    --primary-hover: #4ade80;
    --secondary-color: #f59e0b;
    --success-color: #22c55e;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #2563eb;
    
    --bg-main: linear-gradient(135deg, #0f4c2a 0%, #1a7a45 40%, #25a55e 70%, #2ecc71 100%);
    --bg-panel: rgba(255, 255, 255, 0.95);
    
    /* Sidebar and Topbar (Darker Green, but lighter than before) */
    --bg-sidebar: #10542e; 
    --bg-topbar: #10542e;
    --text-sidebar: #ffffff;
    --text-sidebar-muted: rgba(255,255,255,0.7);
    --border-sidebar: rgba(255,255,255,0.1);
    
    --bg-input: #ffffff;
    --bg-table-th: rgba(0,0,0,0.03);
    --bg-hover: rgba(0,0,0,0.03);
    --sidebar-hover: rgba(255, 255, 255, 0.05);
    
    --text-main: #333333;
    --text-muted: #555555;
    
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
    
    --font-ui: 'Prompt', sans-serif;
    --font-formal: 'Sarabun', sans-serif;
}

body.theme-dark {
    --primary-color: #fef08a;
    --primary-hover: #fde047;
    --secondary-color: #fbbf24;
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    --bg-main: #111827;
    --bg-panel: #1f2937;
    
    --bg-sidebar: #1f2937;
    --bg-topbar: #1f2937;
    --text-sidebar: #f9fafb;
    --text-sidebar-muted: #9ca3af;
    --border-sidebar: #374151;
    
    --bg-input: #374151;
    --bg-table-th: #111827;
    --bg-hover: rgba(255,255,255,0.05);
    --sidebar-hover: rgba(255,255,255,0.1);
    
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
    
    --border-color: #374151;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.5);
}

body.theme-academic {
    --primary-color: #bfdbfe; /* Pastel Blue */
    --primary-hover: #93c5fd;
    --secondary-color: #fcd34d;
    --success-color: #34d399;
    --danger-color: #f87171;
    
    --bg-main: linear-gradient(135deg, #1e3a8a 0%, #2563eb 40%, #60a5fa 100%);
    --bg-panel: rgba(255, 255, 255, 0.95);
    
    --bg-sidebar: #1e3a8a;
    --bg-topbar: #1e3a8a;
    --text-sidebar: #ffffff;
    --text-sidebar-muted: rgba(255,255,255,0.7);
    --border-sidebar: rgba(255,255,255,0.1);
}
body.theme-academic .btn-primary { color: #1e3a8a; font-weight: 700; }

body.theme-discipline {
    --primary-color: #fbcfe8; /* Pastel Pink */
    --primary-hover: #f9a8d4;
    --secondary-color: #fcd34d;
    --success-color: #34d399;
    --danger-color: #f87171;
    
    --bg-main: linear-gradient(135deg, #831843 0%, #be185d 40%, #f472b6 100%);
    --bg-panel: rgba(255, 255, 255, 0.95);
    
    --bg-sidebar: #831843;
    --bg-topbar: #831843;
    --text-sidebar: #ffffff;
    --text-sidebar-muted: rgba(255,255,255,0.7);
    --border-sidebar: rgba(255,255,255,0.1);
}
body.theme-discipline .btn-primary { color: #831843; font-weight: 700; }

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-ui);
    background: var(--bg-main);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-sidebar);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    z-index: 1000;
    color: var(--text-sidebar);
}

.sidebar-header {
    padding: 20px;
    font-size: 1.25rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-sidebar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-sidebar);
}

.sidebar-menu {
    list-style: none;
    padding: 10px 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-sidebar-muted);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.sidebar-menu li a i {
    width: 24px;
    margin-right: 10px;
    text-align: center;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background-color: var(--sidebar-hover);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Topbar */
.topbar {
    height: 60px;
    background-color: var(--bg-topbar);
    border-bottom: 1px solid var(--border-sidebar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    color: var(--text-sidebar);
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-sidebar-muted);
    cursor: pointer;
}

/* Content Area */
.content-area {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* Cards */
.card {
    background-color: var(--bg-panel);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.btn-primary { background-color: var(--primary-color); color: #1f2937; font-weight: 600; }
.btn-primary:hover { background-color: var(--primary-hover); color: #111827; }
.btn-success { background-color: var(--success-color); color: white; }
.btn-danger { background-color: var(--danger-color); color: white; }
.btn-outline { border-color: var(--border-color); color: var(--text-main); background: transparent; }
.btn-outline:hover { background-color: var(--bg-main); }
.btn-block { width: 100%; }

/* Mobile focus big button for attendance */
.btn-huge {
    padding: 15px;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-main);
}
.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-main);
    background-color: var(--bg-input);
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    font-family: inherit;
}
.form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea.form-control {
    min-height: 100px;
}

/* Tables */
.table-responsive, .scroll-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.table th {
    background-color: var(--bg-table-th);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.table tbody tr:hover {
    background-color: var(--bg-hover);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 75%;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
}
.badge-success { background-color: #D1FAE5; color: #065F46; }
.badge-warning { background-color: #FEF3C7; color: #92400E; }
.badge-danger { background-color: #FEE2E2; color: #991B1B; }
.badge-info { background-color: #DBEAFE; color: #1E40AF; }

/* Responsive Mobile */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    /* Topbar Mobile Fixes */
    .topbar {
        padding: 0 15px;
        gap: 10px;
    }
    .topbar-left, .topbar-right {
        gap: 10px;
    }
    .page-title {
        font-size: 1.1rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 140px;
    }
    .user-roles {
        display: none !important; /* Hide roles badge to save space */
    }
    .user-name {
        font-size: 0.85rem;
        max-width: 110px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: right;
        display: inline-block;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-md);
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar.open ~ .sidebar-overlay {
        display: block;
    }
    
    /* Attendance Grid for Mobile */
    .attendance-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .attendance-student-card {
        border: 1px solid var(--border-color);
        padding: 15px;
        border-radius: 8px;
        background: #fff;
    }
    .attendance-actions {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 5px;
        margin-top: 10px;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

/* --- Print Styles for PDF Export --- */
@media print {
    /* Hide everything irrelevant to the report */
    .sidebar, 
    .topbar,
    header,
    footer,
    .no-print,
    .btn {
        display: none !important;
    }

    /* Reset layout for document printing */
    body {
        background-color: white !important;
        margin: 0 !important;
        padding: 0 !important;
        font-size: 11pt;
        color: #000;
    }
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
    }
    .card {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    table {
        border-collapse: collapse !important;
        width: 100% !important;
        page-break-inside: auto;
    }
    tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }
    th, td {
        border: 1px solid #ddd !important;
        padding: 6px !important;
        font-size: 10pt !important;
        color: #000 !important;
    }
    th {
        background-color: #f3f4f6 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    @page {
        size: A4 portrait;
        margin: 1cm;
    }
}