/* Global UI Styles - สำหรับทุกหน้าในระบบ */
/* สร้างจาก manage-checkin.php เพื่อให้ทุกหน้ามี UI ที่สวยงามและสอดคล้องกัน */

:root {
    /* น้ำเงิน → อินดิโก → ม่วง — พื้นหลังเข้ม ใช้คู่กับตัวอักษร/ไอคอนสีอ่อนเสมอ */
    --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #4338ca 45%, #7c3aed 100%);
    --primary-gradient-hover: linear-gradient(135deg, #172554 0%, #3730a3 50%, #6d28d9 100%);
    --success-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --info-gradient: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
    --warning-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    --danger-gradient: linear-gradient(135deg, #be123c 0%, #e11d48 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --page-bg-tint: linear-gradient(165deg, #f8fafc 0%, #eef2ff 35%, #faf5ff 100%);
    /* หัวตาราง .table-modern — ตัวอักษรบนพื้นไล่สีเข้ม */
    --table-modern-header-text: #fffef7;
    --table-modern-header-muted: rgba(255, 254, 240, 0.88);
}

/* พื้นหลังหน้ารวม — อ่านง่าย มีมิติสีอ่อน */
body.sb-nav-fixed.modern-dashboard,
body.modern-dashboard.sb-nav-fixed {
    background: var(--page-bg-tint);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Font Family */
body, html, * {
    font-family: 'Noto Sans Thai', sans-serif !important;
}

/* Headings ใช้ font Prompt */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.page-header-modern h1,
.modal-title,
.card-header {
    font-family: 'Prompt', sans-serif !important;
}

/* Layout Sidenav */
#layoutSidenav #layoutSidenav_nav {
    flex-basis: 225px !important;
    transform: translateX(0) !important;
}

#layoutSidenav #layoutSidenav_content {
    margin-left: 0 !important;
}

/* Desktop (992px ขึ้นไป) */
@media (min-width: 992px) {
    #layoutSidenav #layoutSidenav_content {
        margin-left: 0 !important;
    }
    .sb-sidenav-toggled #layoutSidenav #layoutSidenav_nav {
        transform: translateX(-225px) !important;
    }
    .sb-sidenav-toggled #layoutSidenav #layoutSidenav_content {
        margin-left: -225px !important;
    }
    /* ปิด backdrop ใน desktop */
    .sb-sidenav-toggled #layoutSidenav #layoutSidenav_content:before {
        display: none !important;
    }
}

/* Mobile และ Tablet (ต่ำกว่า 992px) */
@media (max-width: 991.98px) {
    /* ซ่อน sidebar เริ่มต้นใน mobile/tablet */
    #layoutSidenav #layoutSidenav_nav {
        position: fixed !important;
        top: 56px !important;
        left: 0 !important;
        height: calc(100vh - 56px) !important;
        width: 225px !important;
        z-index: 1038 !important;
        transform: translateX(-225px) !important;
        transition: transform 0.3s ease-in-out !important;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15) !important;
    }
    
    /* แสดง sidebar เมื่อ toggle */
    body.sb-sidenav-toggled #layoutSidenav #layoutSidenav_nav {
        transform: translateX(0) !important;
    }
    
    /* Content ขยายเต็มหน้าจอใน mobile/tablet */
    #layoutSidenav #layoutSidenav_content {
        margin-left: 0 !important;
        width: 100% !important;
        padding-left: 0 !important;
    }
    
    /* Backdrop/Overlay เมื่อ sidebar เปิด */
    body.sb-sidenav-toggled #layoutSidenav #layoutSidenav_content:before {
        content: "" !important;
        display: block !important;
        position: fixed !important;
        top: 56px !important;
        left: 0 !important;
        width: 100% !important;
        height: calc(100vh - 56px) !important;
        background: rgba(0, 0, 0, 0.5) !important;
        z-index: 1037 !important;
        opacity: 1 !important;
        transition: opacity 0.3s ease-in-out !important;
    }
}

.sb-nav-fixed #layoutSidenav #layoutSidenav_nav {
    width: 225px !important;
}

.sb-nav-fixed #layoutSidenav #layoutSidenav_content {
    padding-left: 225px !important;
}

/* ปิด padding-left ใน mobile/tablet */
@media (max-width: 991.98px) {
    .sb-nav-fixed #layoutSidenav #layoutSidenav_content {
        padding-left: 0 !important;
    }
}

/* Modern Navbar */
.sb-topnav {
    background: var(--primary-gradient) !important;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

/* Page Header Modern */
.page-header-modern,
.page-header {
    /* เพิ่มมิติ: แสงทองกึ่งกลางขอบล่าง ไล่จางสองฝั่ง */
    background:
        linear-gradient(90deg, rgba(251, 191, 36, 0.0) 0%, rgba(251, 191, 36, 0.55) 50%, rgba(251, 191, 36, 0.0) 100%),
        var(--primary-gradient);
    background-size: 100% 5px, 100% 100%;
    background-position: 0 100%, 0 0;
    background-repeat: no-repeat, no-repeat;
    color: white;
    padding: 1.5rem 2rem;
    margin: 2rem 0 2.5rem 0;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    max-width: 100%;
}

.page-header-modern::before,
.page-header::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header-modern::after,
.page-header::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -3%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header-modern .container-fluid,
.page-header .container-fluid {
    position: relative;
    z-index: 1;
    padding-left: 0;
    padding-right: 0;
}

.page-header-modern h1,
.page-header h1 {
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    letter-spacing: -0.3px;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-header-modern h1 i,
.page-header h1 i {
    font-size: 1.5rem;
    opacity: 0.95;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.page-header-modern .breadcrumb,
.page-header .breadcrumb {
    margin-top: 0.75rem;
    margin-bottom: 0;
    padding: 0;
    background: transparent;
    font-size: 0.875rem;
}

.page-header-modern .breadcrumb-item,
.page-header .breadcrumb-item {
    display: flex;
    align-items: center;
}

.page-header-modern .breadcrumb-item + .breadcrumb-item::before,
.page-header .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: rgba(255, 255, 255, 0.7);
    padding: 0 0.75rem;
    font-size: 1.2rem;
    font-weight: 300;
}

.page-header-modern .breadcrumb-item a,
.page-header .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.page-header-modern .breadcrumb-item a:hover,
.page-header .breadcrumb-item a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
}

.page-header-modern .breadcrumb-item.active,
.page-header .breadcrumb-item.active {
    color: white;
    font-weight: 500;
}

/* Modern Card */
.card-modern {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 2rem;
}

.card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.card-modern .card-header {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-bottom: 2px solid rgba(0,0,0,0.05);
    padding: 1.5rem 2rem;
    font-weight: 600;
    color: #2d3748;
    font-size: 1.1rem;
}

.card-modern .card-body {
    padding: 2rem;
}

@media (max-width: 768px) {
    .card-modern .card-header {
        padding: 1.25rem 1.5rem;
    }
    
    .card-modern .card-body {
        padding: 1.5rem;
    }
}

/* Form Styles */
.form-label {
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.875rem 1.25rem;
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: #a0aec0;
    opacity: 0.7;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Button Styles */
.btn-modern {
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-modern-primary {
    background: var(--primary-gradient);
    color: #fff !important;
    border: none;
}

.btn-modern-primary:hover,
.btn-modern-primary:focus-visible {
    background: var(--primary-gradient-hover);
    color: #fff !important;
}

.btn-modern-primary i,
.btn-modern-primary .bi {
    color: #fff !important;
}

.btn-modern-success {
    background: var(--success-gradient);
    color: #fff !important;
}

.btn-modern-success:hover,
.btn-modern-success:focus-visible {
    color: #fff !important;
    filter: brightness(1.06);
}

.btn-modern-danger {
    background: var(--danger-gradient);
    color: #fff !important;
}

.btn-modern-danger:hover,
.btn-modern-danger:focus-visible {
    color: #fff !important;
    filter: brightness(1.06);
}

.btn-modern-warning {
    background: var(--warning-gradient);
    color: #fff !important;
}

.btn-modern-warning:hover,
.btn-modern-warning:focus-visible {
    color: #fff !important;
    filter: brightness(1.05);
}

/* Bootstrap primary — มักใช้บนพื้นเข้ม / ไล่สี: บังคับตัวอักษรและไอคอนสว่าง */
.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    background: var(--primary-gradient) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus-visible,
.btn-primary:active,
.btn-primary.active,
.show > .btn-primary.dropdown-toggle {
    background: var(--primary-gradient-hover) !important;
    color: #fff !important;
    border: none !important;
}

.btn-primary:disabled,
.btn-primary.disabled {
    opacity: 0.65;
    color: #fff !important;
}

.btn-primary i,
.btn-primary .bi,
.btn-primary .fas,
.btn-primary .far {
    color: #fff !important;
}

/* กลุ่มปุ่มหลักที่ไล่สี (รวมขนาด sm/lg) */
.btn-group .btn-primary {
    color: #fff !important;
}

/* Table Styles */
.table-modern {
    border-radius: 12px;
    overflow: hidden;
    /* กัน Bootstrap บังคับ --bs-table-color เป็นสี body ที่หัวตาราง */
    --bs-table-color: var(--bs-body-color);
}

/* หัวตารางไล่สี: ตัวอักษรสว่าง + รีเซ็ตตัวแปรตารางของ Bootstrap / DataTables */
.table.table-modern > thead,
table.table-modern > thead,
.datatable-table.table-modern > thead {
    background: var(--primary-gradient) !important;
    color: var(--table-modern-header-text) !important;
}

.table.table-modern > thead > tr > th,
.table.table-modern > thead > tr > td,
table.table-modern > thead > tr > th,
table.table-modern > thead > tr > td,
.datatable-table.table-modern > thead > tr > th,
.datatable-table.table-modern > thead > tr > td,
.table-modern thead th,
.table-modern thead td {
    --bs-table-color: var(--table-modern-header-text) !important;
    --bs-table-bg: transparent !important;
    --bs-table-accent-bg: transparent !important;
    color: var(--table-modern-header-text) !important;
    background-color: transparent !important;
    box-shadow: none !important;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18) !important;
    padding: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.table.table-modern > thead > tr > th a,
.table.table-modern > thead > tr > th .datatable-sorter,
table.table-modern > thead > tr > th a,
.datatable-table.table-modern > thead > tr > th a,
.table-modern thead th a {
    color: var(--table-modern-header-text) !important;
    text-decoration: none;
}

.table.table-modern > thead > tr > th a:hover,
table.table-modern > thead > tr > th a:hover,
.table-modern thead th a:hover {
    color: #ffffff !important;
    text-decoration: underline;
}

/* ลูกศรเรียงลำดับ Simple DataTables บนหัวตารางเข้ม — เพิ่มความชัด */
.table-modern thead .datatable-sorter::before,
.table-modern thead .datatable-sorter::after {
    opacity: 0.55 !important;
    filter: brightness(0) invert(1);
}

.table-modern thead .asc .datatable-sorter::after,
.table-modern thead .desc .datatable-sorter::before {
    opacity: 0.95 !important;
}

.table-modern tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid #e2e8f0;
}

.table-modern tbody tr:hover {
    background: #f7fafc;
    transform: scale(1.01);
}

.table-modern tbody td {
    padding: 1rem;
    vertical-align: middle;
}

/* Badge Styles */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.75rem;
}

/* Modal Styles */
.modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border-bottom: none;
    border-radius: 16px 16px 0 0;
    padding: 1.5rem;
}

.modal-header .modal-title,
.modal-header .modal-title .text-primary,
.modal-header i,
.modal-header .bi {
    color: rgba(255, 255, 255, 0.98) !important;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.qr-code-preview {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 16px;
    margin: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.qr-code-preview::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.qr-code-preview canvas {
    position: relative;
    z-index: 1;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

/* Action Buttons */
.btn-action {
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    transition: var(--transition);
    border: none;
}

.btn-action:hover {
    transform: scale(1.1);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #a0aec0;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Alert Styles */
.alert-modern {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.5rem;
}

/* Loading Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .page-header-modern,
    .page-header {
        margin: 1.5rem 0 2rem 0;
        padding: 1.25rem 1.5rem;
        border-radius: 12px;
    }
    
    .page-header-modern h1,
    .page-header h1 {
        font-size: 1.35rem;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }
    
    .page-header-modern h1 i,
    .page-header h1 i {
        font-size: 1.25rem;
        padding: 0.4rem;
    }
    
    .page-header-modern .breadcrumb,
    .page-header .breadcrumb {
        margin-top: 0.5rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .page-header-modern,
    .page-header {
        margin: 1rem 0 1.5rem 0;
        padding: 1rem 1.25rem;
    }
    
    .page-header-modern h1,
    .page-header h1 {
        font-size: 1.25rem;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}