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

@font-face {
    font-family: 'Torsilp Lamun';
    src: url('../fonts/TorsilpLamun.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Torsilp Keed-tung-smer';
    src: url('../fonts/TorsilpKhitthuengSamoe.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Torsilp Khitthueng Samoe';
    src: url('../fonts/TorsilpKhitthuengSamoe.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}


:root {
    --primary-green: #2d5a27;
    --primary-green-rgb: 45, 90, 39;
    --light-green: #4a8c3f;
    --dark-green: #1e3a1a;
    --accent-green: #88d498;
    --accent-green-rgb: 136, 212, 152;
    --bg-light: #f4f7f5;
    --text-dark: #2c3e50;
    --text-muted: #7f8c8d;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 24px;
    --sidebar-width: 280px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Prompt', 'Kanit', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--primary-green);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--light-green);
}

/* ==========================================================================
   LANDING PAGE HERO & STYLING
   ========================================================================== */
.landing-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: 'Torsilp Lamun', 'Torsilp Keed-tung-smer', 'Torsilp Khitthueng Samoe', 'Torsilp', 'FC Farmyard', 'FC Mittraphap Rounded', 'Prompt', 'Kanit', sans-serif;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

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

.nav-link:hover, .nav-link.active {
    color: var(--primary-green);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: var(--white) !important;
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(45, 90, 39, 0.3);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 90, 39, 0.4);
    background: linear-gradient(135deg, var(--light-green), var(--primary-green));
}

.hero-section {
    padding: 180px 8% 100px;
    background: linear-gradient(135deg, rgba(244,247,245,1) 0%, rgba(220,235,223,0.8) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    max-width: 650px;
    z-index: 2;
}

.hero-tag {
    background: rgba(136, 212, 152, 0.2);
    color: var(--dark-green);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(45, 90, 39, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-green);
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--light-green);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-dark);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn-outline {
    border: 2px solid var(--primary-green);
    color: var(--primary-green) !important;
    background: transparent;
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(45, 90, 39, 0.05);
    transform: translateY(-2px);
}

.hero-shapes {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    height: 60%;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background-image: url('https://images.unsplash.com/photo-1533900298318-6b8da08a523e?auto=format&fit=crop&w=800&q=80');
}

/* LANDING SECTIONS */
.section {
    padding: 100px 8%;
    background: var(--white);
}

.section-alt {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-tag {
    color: var(--light-green);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark-green);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    background: rgba(136, 212, 152, 0.15);
    color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-green);
}

/* ==========================================================================
   ADMIN PANEL LAYOUT
   ========================================================================== */
.admin-body {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-light);
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--dark-green);
    color: var(--white);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    box-shadow: 4px 0 15px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.sidebar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 1.2px;
    padding: 10px 16px 5px;
    margin-top: 15px;
    user-select: none;
}
.menu-category:first-of-type {
    margin-top: 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
}

.sidebar-link:hover, .sidebar-link.active {
    color: var(--white);
    background: var(--primary-green);
}

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

.admin-container {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    padding: 2.5rem;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-green);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    padding: 8px 18px;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-green);
    color: var(--dark-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* STATS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-val {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dark-green);
}

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

/* TABLES & CONTROLS */
.content-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.95rem;
}

.custom-table th {
    background: var(--bg-light);
    color: var(--dark-green);
    text-align: left;
    padding: 14px 18px;
    font-weight: 600;
}

.custom-table td {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.custom-table tr:hover {
    background: rgba(0,0,0,0.01);
}

/* BADGES */
.badge {
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-info { background: #d1ecf1; color: #0c5460; }

/* DYNAMIC FORM STYLING */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--dark-green);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid rgba(0,0,0,0.15);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

/* MODALS */
.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(3px);
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

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

/* RECEIPT PRINT STYLING */
@media print {
    * {
        box-shadow: none !important;
        text-shadow: none !important;
        filter: none !important;
        backdrop-filter: none !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    html, body {
        display: block !important;
        background: #fff !important;
        color: #000 !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    html, body.print-receipt-mode {
        display: flex !important;
        height: 100% !important;
        overflow: hidden !important;
    }
    .admin-sidebar,
    .mobile-nav-header,
    .sidebar-overlay,
    .admin-container, 
    .modal-backdrop:not(#receiptModal),
    #createBillModal,
    #collectModal,
    #editBillModal,
    #lightboxModal,
    .no-print {
        display: none !important;
    }
    #receiptModal {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: #fff !important;
        box-shadow: none !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
    }
    #receiptModal .modal-content {
        box-shadow: none !important;
        border: none !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #fff !important;
    }
    #receiptModal .receipt-box {
        padding: 1.25rem !important;
        margin: 0 auto !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        display: flex !important;
        flex-direction: column !important;
        height: 180mm !important;
        background: #fff !important;
        border: 1.5px dashed #ccc !important;
    }
    #receiptModal .receipt-box > div:first-child {
        margin-bottom: 1rem !important;
    }
    #receiptModal .receipt-box > div:nth-child(2) {
        margin-bottom: 0.75rem !important;
        padding-bottom: 6px !important;
    }
    #receiptModal .receipt-box .custom-table {
        margin-bottom: 0.75rem !important;
    }
    #receiptModal .receipt-box .custom-table th,
    #receiptModal .receipt-box .custom-table td {
        padding: 6px 4px !important;
        font-size: 0.78rem !important;
    }
    #receiptModal .receipt-box div[style*="text-align: right"] {
        margin-bottom: 1rem !important;
    }
    #receiptModal .receipt-signature-block {
        padding-top: 15px !important;
        margin-top: auto !important;
        gap: 10px !important;
        background: transparent !important;
    }
    #receiptModal .receipt-signature-block p {
        margin-bottom: 1.5rem !important;
    }
    @page {
        size: auto;
        margin: 8mm 8mm 0 8mm;
    }
}

/* SCREEN BG IN REAL-TIME */
body.print-receipt-mode {
    background: transparent !important;
}

.receipt-box {
    border: 2px dashed rgba(45, 90, 39, 0.3);
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    max-width: 600px;
    margin: 0 auto;
}

.receipt-box .custom-table {
    min-width: auto !important;
    table-layout: auto !important;
    width: 100% !important;
}

@media screen and (max-width: 1024px) {
    .receipt-box {
        padding: 1.25rem !important;
    }
    .receipt-box .custom-table th,
    .receipt-box .custom-table td {
        padding: 8px 4px !important;
        font-size: 0.78rem !important;
        white-space: normal !important;
    }
}

/* Hamburger & Off-Canvas Mobile Navigation Defaults (Desktop Hide) */
.mobile-nav-header {
    display: none;
}
.sidebar-close-btn {
    display: none;
}
.sidebar-overlay {
    display: none;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (MOBILE, TABLET, PORTRAIT, LANDSCAPE)
   ========================================================================== */

/* Tablet & Smaller Devices (Landscape & Portrait) */
@media screen and (max-width: 992px) {
    /* Landing Page Header & Hero */
    .landing-header {
        padding: 1rem 5%;
    }
    .nav-menu {
        gap: 1.2rem;
        font-size: 0.9rem;
    }
    .hero-section {
        padding: 140px 5% 60px;
        flex-direction: column;
        text-align: center;
        min-height: auto;
    }
    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    .hero-desc {
        margin: 0 auto 2rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-shapes {
        position: relative;
        right: 0;
        top: 0;
        transform: none;
        width: 100%;
        height: 350px;
        margin-top: 2rem;
    }

    /* Admin Panel Mobile Hamburguer Drawer Layout */
    .admin-body {
        flex-direction: column;
    }
    
    .mobile-nav-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: var(--dark-green);
        color: var(--white);
        padding: 15px 20px;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        z-index: 999;
        box-shadow: var(--shadow-sm);
    }
    .mobile-nav-header .brand {
        color: var(--white);
        font-size: 1.35rem;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .mobile-nav-header .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    .hamburger-btn {
        background: none;
        border: none;
        color: var(--white);
        font-size: 1.5rem;
        cursor: pointer;
    }

    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -280px; /* Hide offscreen */
        width: 280px;
        height: 100vh;
        z-index: 1001; /* Show above backdrop and topbar */
        transition: var(--transition);
        background: var(--dark-green);
        padding: 2rem 1.5rem;
        box-shadow: 4px 0 15px rgba(0,0,0,0.25);
    }
    .admin-sidebar.mobile-active {
        left: 0; /* Slide in drawer */
    }
    
    .sidebar-brand {
        margin-bottom: 2rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .sidebar-close-btn {
        display: block;
        background: none;
        border: none;
        color: rgba(255,255,255,0.7);
        font-size: 2.2rem;
        cursor: pointer;
        line-height: 1;
        transition: var(--transition);
    }
    .sidebar-close-btn:hover {
        color: var(--white);
    }

    .sidebar-menu {
        flex-direction: column;
        overflow-x: visible;
        padding-bottom: 0;
        gap: 8px;
    }
    .sidebar-menu li {
        width: 100%;
    }
    .sidebar-link {
        padding: 12px 16px;
        font-size: 0.95rem;
    }

    /* Sidebar Dark Blur Backdrop Overlay */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        backdrop-filter: blur(3px);
        z-index: 1000;
        transition: var(--transition);
    }
    .sidebar-overlay.active {
        display: block;
    }

    .admin-container {
        margin-left: 0;
        width: 100%;
        padding: 80px 1rem 1.5rem; /* Account for fixed top bar height */
    }
    
    .top-bar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        align-items: center;
        margin-bottom: 2rem;
    }
    .top-bar div {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .top-bar .btn-primary {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    /* Content Cards & Tables */
    .content-card {
        padding: 1.25rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .custom-table {
        min-width: 750px; /* Allow horizontal scroll for table columns */
    }
    
    /* Optimize table spacing for tablet portrait sizes specifically */
    @media screen and (min-width: 769px) and (max-width: 1024px) {
        .custom-table {
            min-width: auto !important; /* Force fit on tablet screens */
            font-size: 0.85rem !important;
        }
        .custom-table th, 
        .custom-table td {
            padding: 10px 8px !important; /* Tighter padding for cells */
            white-space: nowrap !important; /* Prevent text breaking to new lines */
        }
        .custom-table td:last-child {
            white-space: normal !important; /* Allow action buttons column to wrap onto multiple lines */
            min-width: 150px !important;
        }
        .custom-table td style {
            white-space: normal !important;
        }
        .custom-table .badge {
            white-space: nowrap !important;
            padding: 4px 6px !important;
            font-size: 0.72rem !important;
        }
        .custom-table .btn-outline {
            padding: 4px 6px !important;
            font-size: 0.72rem !important;
            margin: 2px !important;
            display: inline-flex !important;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Devices (Portrait & Compact Landscape) */
@media screen and (max-width: 576px) {
    /* Landing Page Mobile Navigation */
    .landing-header {
        flex-direction: column;
        gap: 10px;
        padding: 1rem;
        position: static;
    }
    .nav-menu {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }
    .hero-section {
        padding: 40px 5% 40px;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-shapes {
        height: 250px;
    }
    .section {
        padding: 60px 5%;
    }
    .section-header {
        margin-bottom: 2.5rem;
    }
    .section-title {
        font-size: 1.8rem;
    }

    /* Admin Panel Mobile Elements */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat-card {
        padding: 1.2rem;
    }
    .modal-content {
        padding: 1.5rem 1rem;
        width: 95%;
    }
    
    /* Interactive Map Grid Adjustments */
    .map-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
    .stall-box {
        min-height: 100px;
        padding: 1rem 0.5rem;
    }
    .stall-number {
        font-size: 1.05rem;
    }
}

/* Landscape Mode Adjustments for Mobile & Tablets */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 100px 5% 40px;
    }
    .hero-shapes {
        height: 200px;
    }
    .modal-content {
        max-height: 95vh;
    }
}

/* Responsive Helper Utilities */
@media screen and (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    .show-mobile-inline {
        display: block !important;
    }
    .top-bar {
        gap: 10px;
    }

    /* Mobile Bill Card View */
    .mobile-cards-container {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 10px;
    }
    .mobile-bill-card {
        background: #fff;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(0,0,0,0.06);
        box-shadow: var(--shadow-sm);
        padding: 12px 15px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .mobile-bill-card-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        border-bottom: 1px dashed #eee;
        padding-bottom: 8px;
    }
    .mobile-bill-card-body {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        font-size: 0.85rem;
    }
    .mobile-bill-card-footer {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        border-top: 1px solid #f1f3f1;
        padding-top: 10px;
        justify-content: flex-end;
    }
    .mobile-bill-card-footer button, 
    .mobile-bill-card-footer a {
        flex: 1 1 calc(50% - 8px);
        min-width: 90px;
        padding: 8px 10px;
        font-size: 0.8rem;
        text-align: center;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
    }

    /* Mobile-optimized table within modal receipt */
    .receipt-box {
        padding: 12px !important;
        max-width: 100% !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        width: 100% !important;
    }
    .receipt-box .custom-table thead {
        display: none !important;
    }
    .receipt-box .custom-table {
        border: none !important;
        background: transparent !important;
        margin: 10px 0 !important;
        display: block !important;
        width: 100% !important;
        min-width: auto !important; /* Override standard global table min-width 750px */
    }
    .receipt-box .custom-table tbody {
        display: block !important;
        width: 100% !important;
    }
    .receipt-box .custom-table tr {
        display: block !important;
        background: #fcfdfe !important;
        border: 1px solid #e1e7e3 !important;
        border-left: 4px solid var(--primary-green) !important; /* Left accent indicator border */
        border-radius: 8px !important;
        padding: 12px 14px !important;
        margin-bottom: 12px !important;
        box-shadow: 0 4px 10px rgba(0,0,0,0.03) !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .receipt-box .custom-table td {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 6px 0 !important;
        border: none !important;
        font-size: 0.82rem !important;
        width: 100% !important;
        box-sizing: border-box !important;
        background: transparent !important;
        text-align: right !important;
        color: #444 !important;
    }
    .receipt-box .custom-table td::before {
        content: attr(data-label);
        font-weight: 600 !important;
        color: #666 !important;
        text-align: left !important;
    }
    .receipt-box .custom-table td[data-label="รายการเรียกเก็บ"] {
        font-size: 0.98rem !important;
        color: var(--dark-green) !important;
        border-bottom: 2px solid #eef1ef !important;
        padding-bottom: 8px !important;
        margin-bottom: 6px !important;
        font-weight: 800 !important;
    }
    .receipt-box .custom-table td[data-label="รายการเรียกเก็บ"]::before {
        color: var(--dark-green) !important;
    }
    .receipt-box .custom-table td[data-label="ยอดสุทธิ"] {
        border-top: 1px dashed #e1e7e3 !important;
        margin-top: 6px !important;
        padding-top: 8px !important;
        font-size: 0.95rem !important;
        color: var(--dark-green) !important;
        font-weight: 700 !important;
    }
    .receipt-box .custom-table td[data-label="ยอดสุทธิ"]::before {
        color: var(--dark-green) !important;
    }
    
    .receipt-box .custom-table td.hide-details-col {
        display: none !important;
    }

    /* Modal spacing and buttons for mobile */
    .modal-content {
        padding: 15px 10px !important;
        width: 95% !important;
        max-height: 95vh !important;
        box-sizing: border-box !important;
    }
    .modal-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 12px;
    }
    .modal-header div {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 8px !important;
    }
    .modal-header div button, 
    .modal-header div div#receiptModalActions {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: 100%;
    }
    .modal-header div button,
    .modal-header div div#receiptModalActions button {
        flex: 1 1 calc(50% - 6px);
        font-size: 0.75rem !important;
        padding: 6px 8px !important;
        white-space: nowrap !important;
        text-align: center;
        justify-content: center;
    }
    .modal-header .modal-close {
        position: absolute;
        top: 10px;
        right: 10px;
    }

    /* 2-column grid for meter photos on mobile */
    #receiptPhotosList {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
        width: 100%;
    }
    #receiptPhotosList div {
        width: 100% !important;
        box-sizing: border-box;
    }
    #receiptPhotosList img {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        max-height: 120px !important;
    }

    /* Signature responsive adjustment */
    .receipt-signature-block {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
        font-size: 0.65rem !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .receipt-signature-block p {
        margin-bottom: 1.0rem !important;
        font-size: 0.65rem !important;
        word-break: break-word !important;
    }
    .receipt-signature-block span {
        font-size: 0.65rem !important;
    }
}
@media screen and (max-width: 992px) {
    .hide-tablet {
        display: none !important;
    }
}

.bills-filter-form {
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto;
    gap: 15px;
    align-items: flex-end;
}
.bills-filter-actions {
    display: flex;
    gap: 8px;
    margin: 0;
}
.btn-report-orange {
    background-color: #fd7e14 !important;
    border-color: #fd7e14 !important;
    color: #fff !important;
}
.btn-report-orange:hover {
    background-color: #e8590c !important;
    border-color: #e8590c !important;
}

@media screen and (max-width: 768px) {
    .bills-filter-form {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px 10px !important; /* Tighter gap between rows */
    }
    .bills-filter-actions {
        grid-column: span 2 !important;
        margin-top: 4px !important;
        width: 100% !important;
    }
}

.modal-close {
    background: #f1f3f1;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--text-dark);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.modal-close:hover {
    background: #e2e6e2;
    color: var(--dark-green);
}