/* css/style.css */
/* ระบบการตกแต่งสไตล์สไตล์ Premium Dark-Theme (Glassmorphism) สำหรับชมรมเพื่อน พ.น. */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Prompt:wght@200;300;400;500;600;700&display=swap');

:root {
    /* จานสีหลัก */
    --bg-primary: #0a0e17;
    --bg-secondary: #131a26;
    --bg-tertiary: #1b2433;
    --bg-card: rgba(22, 30, 46, 0.7);
    --bg-card-hover: rgba(29, 40, 61, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f0f3f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-indigo: #6366f1;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    
    /* สีของสถานะ */
    --status-active: #10b981;        /* เขียวเข้ม */
    --status-new: #06b6d4;           /* ฟ้าคราม */
    --status-grace: #f59e0b;          /* เหลืองส้ม */
    --status-suspended: #ef4444;      /* ส้มแดง */
    --status-terminated: #7f1d1d;     /* แดงเข้ม */
    --status-deceased: #6b7280;       /* เทา */
    
    /* ค่าพื้นฐาน */
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 20px;
    --transition-speed: 0.25s;
    --box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Prompt', 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* โครงสร้างเลย์เอาต์หลัก */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar แถบเมนูด้านซ้าย */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-speed);
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background-color: #ffffff;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand-text h2 {
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

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

.sidebar-menu {
    list-style: none;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 400;
    font-size: 0.95rem;
    transition: all var(--transition-speed);
}

.menu-item a:hover, .menu-item.active a {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.menu-item.active a {
    background: rgba(59, 130, 246, 0.15);
    border-left: 4px solid var(--accent-blue);
    padding-left: 12px;
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* ส่วนแสดงบทบาทผู้ใช้งานใน Sidebar */
.sidebar-user {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.15);
}

.user-role-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--accent-indigo);
    color: white;
    margin-bottom: 8px;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* พื้นที่แสดงเนื้อหาหลักทางขวา */
.main-content {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: calc(100% - var(--sidebar-width));
}

/* Header แถบด้านบน */
.main-header {
    height: var(--header-height);
    background-color: rgba(19, 26, 38, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-title h1 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* แถบควบคุมระบบสำหรับจำลองสถานการณ์ */
.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.role-selector-wrapper, .date-traveler-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-tertiary);
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.role-selector-wrapper label, .date-traveler-wrapper label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.select-role, .input-date {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.8rem;
    outline: none;
    cursor: pointer;
}

.select-role:focus, .input-date:focus {
    border-color: var(--accent-blue);
}

/* พื้นที่ส่วนงานหลัก (Dashboard, รายชื่อสมาชิก ฯลฯ) */
.content-wrapper {
    padding: 30px;
    flex-grow: 1;
    overflow-y: auto;
}

/* การซ่อน/แสดงหน้าแบบ SPA */
.page-view {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.page-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   หน้า DASHBOARD & ตัวชี้วัดสำคัญ (STATS CARDS)
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
    box-shadow: var(--box-shadow);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.4); }
.stat-icon.green { background: rgba(16, 185, 129, 0.2); color: var(--status-active); border: 1px solid rgba(16, 185, 129, 0.4); }
.stat-icon.yellow { background: rgba(245, 158, 11, 0.2); color: var(--status-grace); border: 1px solid rgba(245, 158, 11, 0.4); }
.stat-icon.red { background: rgba(239, 68, 68, 0.2); color: var(--status-suspended); border: 1px solid rgba(239, 68, 68, 0.4); }
.stat-icon.purple { background: rgba(99, 102, 241, 0.2); color: var(--accent-indigo); border: 1px solid rgba(99, 102, 241, 0.4); }
.stat-icon.teal { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); border: 1px solid rgba(6, 182, 212, 0.4); }

.stat-info h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4px;
}

/* Dashboard Charts & Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* กราฟ SVG หรือแกลเลอรีความเคลื่อนไหวล่าสุด */
.chart-container {
    height: 250px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-item {
    background-color: var(--bg-tertiary);
    border-left: 4px solid var(--accent-blue);
    padding: 12px 16px;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-item.warning { border-left-color: var(--status-grace); }
.alert-item.danger { border-left-color: var(--status-suspended); }
.alert-item.success { border-left-color: var(--status-active); }

.alert-text h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.alert-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.alert-action-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.alert-action-btn:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* ==========================================================================
   ตาราง รายการข้อมูลสมาชิก/อาจารย์ (DIRECTORY & GRID)
   ========================================================================== */
.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-grow: 1;
    max-width: 800px;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex-grow: 1;
    min-width: 200px;
}

.search-input-wrapper i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-search {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 12px 10px 36px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-search:focus {
    border-color: var(--accent-blue);
}

.filter-select {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 16px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

.filter-select:focus {
    border-color: var(--accent-blue);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color-hover);
}

.btn-success {
    background-color: var(--status-active);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

/* สไตล์ตาราง (TABLE) */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.custom-table th {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1.5px solid var(--border-color);
    padding: 14px 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

.custom-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.custom-table tr:last-child td {
    border-bottom: none;
}

.custom-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* การตกแต่งสถานะของสมาชิก */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-active { background-color: rgba(16, 185, 129, 0.15); color: var(--status-active); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-active-new { background-color: rgba(6, 182, 212, 0.15); color: var(--status-new); border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-grace { background-color: rgba(245, 158, 11, 0.15); color: var(--status-grace); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-suspended { background-color: rgba(239, 68, 68, 0.15); color: var(--status-suspended); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-terminated { background-color: rgba(127, 29, 29, 0.2); color: #fca5a5; border: 1px solid rgba(127, 29, 29, 0.4); }
.badge-deceased { background-color: rgba(107, 114, 128, 0.15); color: var(--status-deceased); border: 1px solid rgba(107, 114, 128, 0.3); }

/* รูปประจำตัวสมาชิก (Avatar) */
.member-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.avatar-placeholder {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--accent-blue);
    font-size: 0.9rem;
}

.actions-cell {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.icon-btn.delete:hover {
    background-color: var(--status-suspended);
    border-color: var(--status-suspended);
}

/* ==========================================================================
   ฟอร์มป้อนข้อมูล & ป๊อปอัพโมดอล (MODAL)
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--box-shadow);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.show .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* สไตล์ระบบฟอร์ม (FORM GROUP) */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 580px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 16px;
}

.form-group.full-width {
    grid-column: span 2;
}

@media (max-width: 580px) {
    .form-group.full-width {
        grid-column: span 1;
    }
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group label span {
    color: #ef4444;
}

.form-control {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.form-control:disabled {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ส่วนจำลองอัปโหลดรูปภาพ */
.photo-uploader {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-primary);
    border: 1px dashed var(--border-color);
    padding: 12px;
    border-radius: var(--border-radius-sm);
}

.photo-preview-box {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.photo-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview-box i {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* ==========================================================================
   รายละเอียดสมาชิก (MEMBER DETAILS) & หน้าจัดการค่าบำรุง / สวัสดิการ
   ========================================================================== */
.profile-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .profile-layout {
        grid-template-columns: 1fr;
    }
}

.profile-sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-tertiary);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
}

.profile-photo-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 4px solid var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.profile-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.profile-id {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.detail-section {
    margin-bottom: 24px;
}

.detail-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-blue);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 14px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
}

@media (max-width: 480px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

.detail-item h4 {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 2px;
}

.detail-item p {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* ส่วนตัวเลือกตรวจสอบสิทธิ์สวัสดิการ (Real-time Checker Box) */
.eligibility-checker-box {
    background-color: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--border-radius-md);
    padding: 20px;
    margin-top: 16px;
}

.checker-status-display {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    margin-top: 14px;
    font-weight: 500;
}

.checker-status-display.eligible {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--status-active);
}

.checker-status-display.ineligible {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* ==========================================================================
   แท็บหน้าจอและเครื่องพิมพ์ (TABS & PRINT STYLE)
   ========================================================================== */
.report-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.report-tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}

.report-tab-btn:hover, .report-tab-btn.active {
    color: var(--text-primary);
}

.report-tab-btn.active {
    border-bottom-color: var(--accent-blue);
}

/* ส่วนตัวอย่างหน้ารายงานที่พร้อมพิมพ์ */
.report-preview-panel {
    background-color: white;
    color: #1e293b;
    border-radius: var(--border-radius-md);
    padding: 40px;
    margin-top: 20px;
    box-shadow: var(--box-shadow);
    display: none;
}

.report-preview-panel.show {
    display: block;
}

.report-header-print {
    text-align: center;
    margin-bottom: 30px;
    display: none;
}

.print-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.print-table th {
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    padding: 10px;
    font-size: 0.85rem;
}

.print-table td {
    border: 1px solid #cbd5e1;
    color: #334155;
    padding: 10px;
    font-size: 0.85rem;
}

/* โลโก้ และข้อมูลผู้จัดการเอกสารการสแกน */
.db-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* CSS สำหรับการพิมพ์รายงาน */
@media print {
    body {
        background-color: white !important;
        color: black !important;
    }
    
    .sidebar, .main-header, .action-bar, .report-tabs, .btn, .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    .content-wrapper {
        padding: 0 !important;
    }
    
    .report-preview-panel {
        display: block !important;
        box-shadow: none !important;
        padding: 0 !important;
        background: transparent !important;
    }
    
    .report-header-print {
        display: block !important;
    }
    
    .print-table th {
        background-color: #f1f5f9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ==========================================================================
   หน้าจอเข้าสู่ระบบหลัก (LOGIN OVERLAY STYLING)
   ========================================================================== */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, #131a26, #0a0e17);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    transition: opacity 0.3s ease;
}

.login-card {
    background: rgba(19, 26, 38, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 445px;
    padding: 40px 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-logo {
    width: 70px;
    height: 70px;
    background-color: #ffffff;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px auto;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.login-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.login-info-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 14px;
    text-align: left;
    color: var(--text-secondary);
}

.login-info-box strong {
    font-size: 0.8rem;
    color: var(--text-primary);
    display: block;
}

.login-info-box ul {
    margin-top: 6px;
}

.login-info-box li {
    font-size: 0.75rem;
    margin-bottom: 4px;
}

/* ==========================================================================
   โหมดสว่าง (LIGHT THEME STYLING)
   ========================================================================== */
body.light-theme {
    --bg-primary: #f8fafc;            /* Slate 50 */
    --bg-secondary: #ffffff;          /* White */
    --bg-tertiary: #f1f5f9;           /* Slate 100 */
    --bg-card: rgba(255, 255, 255, 0.75); /* Card bg white transparent */
    --bg-card-hover: rgba(241, 245, 249, 0.85);
    
    --border-color: rgba(148, 163, 184, 0.22); /* Slate 300 transparent */
    --border-color-hover: rgba(148, 163, 184, 0.35);
    
    --text-primary: #0f172a;          /* Slate 900 */
    --text-secondary: #475569;        /* Slate 600 */
    --text-muted: #64748b;            /* Slate 500 */
    
    --box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

body.light-theme ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

body.light-theme ::-webkit-scrollbar-thumb {
    background: #cbd5e1; /* Slate 300 */
}

body.light-theme ::-webkit-scrollbar-thumb:hover {
    background: #94a3b8; /* Slate 400 */
}

body.light-theme .custom-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

body.light-theme .custom-table th {
    background-color: rgba(0, 0, 0, 0.015);
}

body.light-theme .login-overlay {
    background: radial-gradient(circle at top right, #f8fafc, #cbd5e1);
}

body.light-theme .login-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 20px 50px rgba(148, 163, 184, 0.25);
}

body.light-theme .login-info-box {
    background: rgba(0, 0, 0, 0.015);
}

body.light-theme .form-control:disabled {
    background-color: #e2e8f0;
    color: var(--text-muted);
}

body.light-theme .main-header {
    background-color: rgba(255, 255, 255, 0.8);
}

body.light-theme .sidebar-user {
    background-color: rgba(0, 0, 0, 0.03);
}