/* ===================================
   BAIT ALAMER PRICING CALCULATOR
   Modern, Clean, Professional Design
   =================================== */

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

:root {
    /* Dark Professional Theme - Like Reference Image */
    --primary-color: #2c3e50;
    --primary-hover: #233140;
    --secondary-color: #34495e;
    --accent-gold: #f39c12;
    --accent-gold-hover: #e67e22;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
    --background: #1a252f;
    --card-background: #2c3e50;
    --card-hover: #34495e;
    --table-bg: #34495e;
    --table-row: #3d4d5d;
    --border-color: #4a5f7f;
    --border-accent: #f39c12;
    --text-primary: #ecf0f1;
    --text-secondary: #95a5a6;
    --text-gold: #f39c12;
    --text-white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    --gradient-gold: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: #1a252f;
    background-image: 
        linear-gradient(135deg, #1a252f 0%, #2c3e50 50%, #1a252f 100%);
    color: var(--text-primary);
    line-height: 1.6;
    letter-spacing: 0.3px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================
   HEADER
   ================== */

.page-header {
    background: #2c3e50;
    color: white;
    padding: 40px 50px;
    border-radius: 0;
    margin-bottom: 35px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border-bottom: 3px solid #f39c12;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    position: relative;
    z-index: 1;
}

.header-logo {
    flex-shrink: 0;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.header-logo img {
    height: 120px;
    width: auto;
    display: block;
    background: white;
}

.header-text {
    flex: 1;
    text-align: center;
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: none;
    color: #f39c12;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 1;
    color: #95a5a6;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.language-toggle {
    position: absolute;
    top: 20px;
    right: 30px;
    z-index: 10;
}

.language-toggle button {
    background: transparent;
    border: 2px solid #f39c12;
    color: #f39c12;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.language-toggle button:hover {
    background: #f39c12;
    color: #2c3e50;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.4);
}

/* ==================
   SECTION HEADERS
   ================== */

section {
    background: #2c3e50;
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid #4a5f7f;
    transition: all 0.3s;
}

section:hover {
    box-shadow: var(--shadow-lg);
    border-color: #f39c12;
}

section h2 {
    font-size: 1.8rem;
    color: #f39c12;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f39c12;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
}

section h2::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 0;
    background: transparent;
}

/* ==================
   HEADER FIELDS
   ================== */

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.field-group {
    display: flex;
    flex-direction: column;
}

.field-group.full-width {
    grid-column: 1 / -1;
}

.field-group label {
    font-weight: 600;
    margin-bottom: 10px;
    color: #ecf0f1;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.required {
    color: #e74c3c;
    font-weight: bold;
    margin-right: 3px;
}

.conditional-required {
    color: #7f8c8d;
    font-weight: bold;
    margin-right: 3px;
    transition: color 0.3s;
}

.conditional-required.active {
    color: #e74c3c;
}

.field-group input,
.field-group textarea {
    padding: 14px 16px;
    border: 1px solid #4a5f7f;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s;
    background: #34495e;
    color: #ecf0f1;
    font-weight: 500;
}

.field-group input:focus,
.field-group textarea:focus {
    outline: none;
    border-color: #f39c12;
    box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
    background: #3d4d5d;
    transform: translateY(-1px);
}

.field-group input::placeholder,
.field-group textarea::placeholder {
    color: #7f8c8d;
}

.field-group input.error,
.field-group textarea.error {
    border-color: var(--danger-color);
}

.help-text {
    font-size: 0.85rem;
    color: #7f8c8d;
    margin-top: 4px;
    font-style: italic;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 4px;
    font-weight: 500;
    display: none;
}

.error-message.show {
    display: block;
}

/* ==================
   CATEGORIES
   ================== */

.category {
    border: 1px solid #4a5f7f;
    border-radius: 6px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s;
    background: #34495e;
    box-shadow: var(--shadow-sm);
}

.category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.category.has-selected {
    border-color: #f39c12;
    box-shadow: 0 0 0 2px rgba(243, 156, 18, 0.2);
}

.category-header {
    background: #3d4d5d;
    padding: 18px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: all 0.3s;
    border-bottom: 1px solid #4a5f7f;
}

.category-header:hover {
    background: #4a5f7f;
    border-bottom-color: #f39c12;
}

.category-header.expanded {
    background: #2c3e50;
    color: #f39c12;
    border-bottom-color: #f39c12;
    box-shadow: none;
}

.category-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ecf0f1;
}

.category-header.expanded .category-title {
    color: #f39c12;
}

.category-icon {
    font-size: 1.3rem;
    transition: transform 0.3s;
}

.category-header.expanded .category-icon {
    transform: rotate(90deg);
}

.category-info {
    font-size: 0.85rem;
    color: #95a5a6;
}

.category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.category-content.expanded {
    max-height: 10000px;
}

/* ==================
   ITEMS
   ================== */

.item-row {
    padding: 20px 25px;
    border-bottom: 1px solid #4a5f7f;
    transition: all 0.3s;
    background: transparent;
}

.item-row:last-child {
    border-bottom: none;
}

.item-row:hover {
    background: rgba(74, 95, 127, 0.3);
    padding-left: 28px;
}

.item-row.selected {
    background: rgba(243, 156, 18, 0.1);
    border-left: 3px solid #f39c12;
    padding-left: 27px;
}

.item-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
}

.item-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
    margin-top: 2px;
    accent-color: #f39c12;
    transition: all 0.3s;
}

.item-checkbox:hover {
    transform: scale(1.1);
}

.item-info {
    flex: 1;
}

.item-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: #ecf0f1;
    margin-bottom: 5px;
}

.item-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #95a5a6;
}

.item-unit,
.item-price {
    display: flex;
    align-items: center;
    gap: 5px;
}

.item-price {
    font-weight: 600;
    color: #f39c12;
}

.item-inputs {
    display: none;
    background: rgba(52, 73, 94, 0.5);
    padding: 20px;
    border-radius: 6px;
    margin-top: 15px;
    border: 1px solid #4a5f7f;
}

.item-row.selected .item-inputs {
    display: block;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.input-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.input-field label {
    color: #ecf0f1;
    font-size: 0.9rem;
}

.input-field input {
    width: 100%;
    padding: 12px;
    border: 1px solid #4a5f7f;
    border-radius: 6px;
    font-size: 1rem;
    background: #3d4d5d;
    color: #ecf0f1;
}

.input-field input:focus {
    outline: none;
    border-color: #f39c12;
    background: #4a5f7f;
}

.input-field input.error {
    border-color: var(--danger-color);
}

.input-field input::placeholder {
    color: #7f8c8d;
}

.item-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px;
    background: #3d4d5d;
    border-radius: 6px;
    border: 1px solid #f39c12;
    box-shadow: none;
}

.result-item {
    display: flex;
    flex-direction: column;
}

.result-label {
    font-size: 0.85rem;
    color: #95a5a6;
    margin-bottom: 5px;
}

.result-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ecf0f1;
    letter-spacing: 0.3px;
}

.result-value.highlight {
    color: #f39c12;
    font-size: 1.4rem;
    font-weight: 800;
    text-shadow: none;
}

.required-fields {
    margin-top: 10px;
    padding: 10px 15px;
    background: rgba(243, 156, 18, 0.1);
    border-left: 3px solid #f39c12;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #95a5a6;
}

.required-fields strong {
    color: #f39c12;
}

/* ==================
   SUMMARY SECTION
   ================== */

.category-totals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.category-total {
    background: #34495e;
    padding: 18px 20px;
    border-radius: 6px;
    border-left: 4px solid #f39c12;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.category-total:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-left-color: #e67e22;
    background: #3d4d5d;
}

.category-total-label {
    font-size: 0.9rem;
    color: #95a5a6;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-total-amount {
    font-size: 1.4rem;
    font-weight: 800;
    color: #ecf0f1;
    letter-spacing: 0.5px;
}

.grand-total {
    background: #2c3e50;
    color: white;
    padding: 30px 40px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    border: 2px solid #f39c12;
    position: relative;
    overflow: hidden;
}

.grand-total::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: none;
}

.total-label {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #f39c12;
    text-shadow: none;
    position: relative;
    z-index: 1;
}

.total-amount {
    font-size: 2.2rem;
    font-weight: 900;
    color: #ffffff;
    text-shadow: none;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* ==================
   BUTTONS
   ================== */

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.btn {
    padding: 14px 32px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: #f39c12;
    color: #2c3e50;
    border-color: #f39c12;
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    background: #e67e22;
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

.btn-secondary {
    background: #34495e;
    color: #ecf0f1;
    border-color: #4a5f7f;
}

.btn-secondary:hover {
    background: #4a5f7f;
    border-color: #5a7095;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ==================
   VALIDATION SUMMARY
   ================== */

.validation-summary {
    background: rgba(231, 76, 60, 0.1);
    border: 2px solid #e74c3c;
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
}

.validation-summary.hidden {
    display: none;
}

.validation-summary h3 {
    color: #e74c3c;
    margin-bottom: 10px;
}

.validation-summary ul {
    list-style: none;
    padding-left: 0;
}

.validation-summary li {
    padding: 8px 0;
    color: #ecf0f1;
    font-weight: 500;
}

.validation-summary li::before {
    content: "❌ ";
    margin-right: 8px;
}

/* ==================
   FOOTER
   ================== */

.page-footer {
    text-align: center;
    padding: 25px;
    color: #95a5a6;
    font-size: 0.9rem;
    background: #2c3e50;
    border-radius: 0;
    margin-top: 30px;
    box-shadow: none;
    border-top: 2px solid #f39c12;
}

.page-footer p {
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ==================
   PRINT STYLES
   ================== */

/* ==================
   PROFESSIONAL PRINT STYLES - 2 PAGE PDF
   ================== */

@media print {
    @page {
        size: A4;
        margin: 0;
    }

    body {
        background: white !important;
        color: #000 !important;
        font-size: 11pt;
        line-height: 1.4;
        margin: 0;
        padding: 0;
    }

    .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    /* Hide on-screen only elements */
    .action-buttons,
    .page-footer,
    .language-toggle,
    .item-checkbox,
    .validation-summary {
        display: none !important;
    }

    /* ==================
       PAGE 1: HEADER & SITE INFO
       ================== */

    .page-header {
        background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%) !important;
        color: white !important;
        padding: 15mm;
        margin: 0;
        border-bottom: 3mm solid #f39c12 !important;
        page-break-after: avoid;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .header-content {
        display: flex;
        align-items: center;
        gap: 15mm;
    }

    .header-logo {
        background: white !important;
        padding: 6mm;
        border-radius: 4mm;
        box-shadow: none;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .header-logo img {
        height: 22mm;
        width: auto;
        display: block;
        background: white !important;
    }

    .header-text {
        flex: 1;
    }

    .page-header h1 {
        font-size: 22pt;
        color: #f39c12 !important;
        margin-bottom: 3mm;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .subtitle {
        font-size: 11pt;
        color: #ecf0f1 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Site Information Section - Page 1 */
    .header-fields {
        background: white !important;
        border: none !important;
        border-radius: 0;
        padding: 10mm 15mm;
        margin: 0;
        page-break-after: always;
        page-break-inside: avoid;
    }

    .header-fields h2 {
        color: #2c3e50 !important;
        font-size: 16pt;
        border-bottom: 2pt solid #f39c12 !important;
        padding-bottom: 3mm;
        margin-bottom: 8mm;
        margin-top: 0;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .field-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6mm;
        margin-bottom: 0;
    }

    .field-group {
        margin-bottom: 5mm;
    }

    .field-group.full-width {
        grid-column: 1 / -1;
    }

    .field-group label {
        font-weight: bold;
        color: #2c3e50 !important;
        font-size: 10pt;
        display: block;
        margin-bottom: 2mm;
    }

    .field-group input,
    .field-group textarea {
        width: 100%;
        padding: 3mm 4mm;
        border: 1pt solid #95a5a6 !important;
        border-radius: 2mm;
        background: #f8f9fa !important;
        color: #000 !important;
        font-size: 11pt;
        font-weight: 600;
    }

    .help-text,
    .required,
    .conditional-required {
        display: none;
    }

    /* ==================
       PAGE 2: SELECTED ITEMS & TOTALS
       ================== */

    /* Hide items section completely, only show selected items */
    .items-section {
        display: none !important;
    }

    /* Show summary section on page 2 */
    .summary-section {
        background: white !important;
        border: none !important;
        padding: 15mm !important;
        margin: 0 !important;
        page-break-before: always;
    }

    .summary-section h2 {
        display: none;
    }

    /* Create selected items table for page 2 */
    .summary-section::before {
        content: "Selected Items & Pricing Details";
        display: block;
        font-size: 18pt;
        font-weight: bold;
        color: #2c3e50;
        border-bottom: 3pt solid #f39c12;
        padding-bottom: 4mm;
        margin-bottom: 8mm;
        margin-top: 0;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Category totals styling */
    .category-totals {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4mm;
        margin-bottom: 8mm;
        page-break-inside: avoid;
    }

    .category-total {
        background: #f8f9fa !important;
        border-left: 3mm solid #f39c12 !important;
        padding: 4mm;
        border-radius: 2mm;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .category-total-label {
        font-size: 9pt;
        color: #666 !important;
        text-transform: uppercase;
        margin-bottom: 2mm;
    }

    .category-total-amount {
        font-size: 14pt;
        font-weight: bold;
        color: #2c3e50 !important;
    }

    /* Grand Total */
    .grand-total {
        background: #2c3e50 !important;
        border: 2pt solid #f39c12 !important;
        padding: 10mm;
        border-radius: 3mm;
        margin: 10mm 0 8mm 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        page-break-inside: avoid;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .total-label {
        font-size: 18pt;
        font-weight: bold;
        color: #f39c12 !important;
        text-transform: uppercase;
        letter-spacing: 1.5pt;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .total-amount {
        font-size: 24pt;
        font-weight: bold;
        color: white !important;
        letter-spacing: 1pt;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Print footer */
    .summary-section::after {
        content: "© Bait Alamer - بيت العامر | Professional Quality Assurance";
        display: block;
        text-align: center;
        color: #95a5a6;
        font-size: 9pt;
        margin-top: 12mm;
        padding-top: 6mm;
        border-top: 1pt solid #f39c12;
    }

    /* Selected Items Table */
    .print-only {
        display: block !important;
    }

    .print-items-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 8mm;
        page-break-inside: auto;
    }

    .print-items-table thead {
        background: #2c3e50 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .print-items-table th {
        padding: 4mm 3mm;
        text-align: left;
        color: white !important;
        font-size: 10pt;
        font-weight: bold;
        border: 1pt solid #2c3e50 !important;
        text-transform: uppercase;
        letter-spacing: 0.3pt;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .print-items-table tbody tr {
        page-break-inside: avoid;
        border-bottom: 1pt solid #ddd;
    }

    .print-items-table tbody tr:nth-child(even) {
        background: #f8f9fa !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .print-items-table td {
        padding: 3mm 2mm;
        font-size: 9pt;
        color: #000 !important;
        border: 1pt solid #ddd !important;
    }

    .print-items-table .item-name-cell {
        font-weight: bold;
        color: #2c3e50 !important;
        max-width: 50mm;
    }

    .print-items-table .qty-cell {
        text-align: center;
        font-weight: bold;
        color: #2c3e50 !important;
    }

    .print-items-table .price-cell {
        text-align: right;
        color: #f39c12 !important;
        font-weight: 600;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .print-items-table .total-cell {
        text-align: right;
        font-weight: bold;
        color: #2c3e50 !important;
        background: #fff9e6 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    /* Force color printing */
    * {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ==================
   RESPONSIVE
   ================== */

@media (max-width: 768px) {
    .page-header {
        padding: 25px 20px;
    }

    .header-content {
        flex-direction: column;
        gap: 20px;
    }

    .header-logo img {
        height: 80px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 0.85rem;
    }

    .language-toggle {
        top: 10px;
        right: 15px;
    }

    .language-toggle button {
        padding: 8px 15px;
        font-size: 0.8rem;
    }

    .field-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 25px 15px;
    }

    section h2 {
        font-size: 1.4rem;
    }

    .grand-total {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 25px 20px;
    }

    .total-label {
        font-size: 1.3rem;
    }

    .total-amount {
        font-size: 1.8rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

/* ==================
   UTILITIES
   ================== */

.hidden {
    display: none !important;
}

.print-only {
    display: none;
}

.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mt-20 {
    margin-top: 20px;
}