/* =======================================================
   DUTY SLIP - NEW PROFESSIONAL UI/UX (MOBILE-FIRST)
   Inspired by Shrish Travels Tariff Design System
   ======================================================= */

/* --- 1. ROOT VARIABLES & DESIGN SYSTEM --- */
:root {
    /* Primary Brand Colors */
    --primary-blue: #4F46E5;
    /* A slightly more vibrant indigo */
    --primary-dark: #3730A3;
    --secondary-teal: #0D9488;
    /* A darker, richer teal */
    --gray-50: #F9FAFB;
    /* A slightly lighter gray */
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-400: #9CA3AF;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-900: #0F172A;

    /* Semantic Colors */
    --success-color: #10B981;
    --danger-color: #EF4444;
    --whatsapp-color: #25D366;
    --white: #FFFFFF;

    /* Typography */
    --font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing System (8px base) */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.25rem;
    /* 20px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */

    /* Border Radius */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-2xl: 1.5rem;
    /* 24px */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
}

/* --- 2. GENERAL STYLES & RESETS --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--gray-50);
    color: var(--gray-700);
    font-size: 16px;
    padding: var(--space-4);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.duty-slip-print {
    display: none;
    /* Hide print layout on screen */
}

/* --- 3. MAIN CONTAINER & CARD STYLING --- */
.duty-slip-screen {
    max-width: 1280px;
    margin: 0 auto;
}

/* Use a universal card style for all sections */
.header,
.main-body-table,
.usage-section-card,
.footer {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
    body {
        padding: var(--space-8);
    }

    .header,
    .main-body-table,
    .usage-section-card,
    .footer {
        padding: var(--space-6) var(--space-8);
        box-shadow: var(--shadow-md);
    }
    .main-body-table {
        gap: var(--space-8) var(--space-10); /* Add horizontal gap */
    }
}

/* --- 4. SECTION HEADERS --- */
.section-header {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin: var(--space-8) 0 var(--space-4) var(--space-2);
    position: relative;
    padding-left: var(--space-4);
}

.section-header::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 80%;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
    border-radius: var(--radius-md);
}

/* --- 5. HEADER SECTION --- */
.header {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    text-align: center;
}

.company-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.logo-screen {
    max-height: 60px;
}

.company-info div {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--gray-600);
}

.title {
    display: none;
}

/* Hide old title */

.ds-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    width: 100%;
}

@media (min-width: 768px) {
    .header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .company-info {
        flex-direction: row;
        text-align: left;
        gap: var(--space-4);
    }

    .ds-info {
        width: 40%;
        max-width: 400px;
    }
}

/* --- 6. MODERN FORM STYLING --- */
.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 22px var(--space-4) 8px var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--gray-50);
    transition: all var(--transition-fast);
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: var(--gray-400);
    transform: scale(1.01);
}

.fab-main:active { /* NEW */
    transform: scale(0.95);
    box-shadow: var(--shadow-sm);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: var(--space-4);
    color: var(--gray-600);
    pointer-events: none;
    transition: all var(--transition-fast);
    background-color: var(--gray-50);
    padding: 0 var(--space-2);
}

/* Logic for floating label */
.form-group input:focus+label,
.form-group input:not(:placeholder-shown)+label,
.form-group textarea:focus+label,
.form-group textarea:not(:placeholder-shown)+label {
    top: -1px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--primary-blue);
    background-color: var(--white);
    /* Lift up on focus */
}

/* Add this to your main CSS file */
.form-group input[type="date"]+label,
.form-group input[type="time"]+label {
    top: -1px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-600);
    /* Keep it neutral until focused */
    background-color: var(--white);
}

.form-group input[type="date"]:focus+label,
.form-group input[type="time"]:focus+label {
    color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Validation Error Styling */
.input-error {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.input-error+label {
    color: var(--danger-color) !important;
}

/* --- 7. MAIN BODY LAYOUT --- */
.main-body-table {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.main-body-table>tbody,
.main-body-table>tbody>tr,
.main-body-table>tbody>tr>td {
    display: contents;
    /* Makes table elements behave like divs for grid */
}

.left-details,
.right-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

hr {
    border: none;
    border-top: 1px solid var(--gray-200);
}

@media (min-width: 1024px) {
    .main-body-table {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

/* --- 8. USAGE TABLES (Mobile-First Card Layout) --- */
.usage-table {
    width: 100%;
}

.usage-table,
.usage-table tbody,
.usage-table tr,
.usage-table td {
    border: none;
    padding: 0;
}

.usage-table tbody {
    display: grid;
    gap: var(--space-4);
}

.usage-table tr {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-4);
}

.usage-table td {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.usage-table td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-medium);
    color: var(--gray-900);
    font-size: 0.875rem;
}

.usage-table .desktop-label {
    display: none;
    /* Hide old labels */
}

.usage-table input {
    width: 100%;
    padding: var(--space-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--gray-50);
    text-align: left;
    transition: all var(--transition-fast);
}

.usage-table input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.usage-table.customer-table tr {
    grid-template-columns: 1fr 1fr;
}

@media (min-width: 768px) {
    .usage-table.customer-table tr {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --- 9. FOOTER & SIGNATURE AREA --- */
.footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.signature-area {
    width: 100%;
    text-align: center;
}

.signature-box {
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius-lg);
    height: 150px;
    margin-top: var(--space-3);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--gray-400);
    background-color: var(--gray-50);
    transition: all var(--transition-fast);
    overflow: hidden;
}

.signature-box:hover {
    background-color: var(--gray-100);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.signature-image {
    width: 100%;
    height: 100%;
    display: none;
    object-fit: contain;
}

@media (min-width: 768px) {
    .footer {
        flex-direction: row;
    }
}

/* --- 10. MODALS (Signature, Confirmation, Loading) --- */
/* Common Modal Overlay */
#signature-modal,
.action-confirm-modal,
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1050;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

#signature-modal {
    display: none;
}

/* Kept for legacy JS */
.action-confirm-modal.active,
.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Common Modal Content Box */
#signature-modal-content,
.action-confirm-modal .modal-content {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    width: 100%;
    max-width: 450px;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.action-confirm-modal.active .modal-content {
    transform: scale(1);
}

#signature-canvas {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    width: 100%;
    height: 200px;
}

#signature-modal.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Buttons */
.modal-buttons,
.modal-actions {
    margin-top: var(--space-6);
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.modal-buttons button,
.modal-button {
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-clear {
    background-color: var(--gray-600);
    color: var(--white);
}

.btn-save,
.modal-button.confirm {
    background: linear-gradient(135deg, var(--success-color), var(--secondary-teal));
    color: black;
    box-shadow: var(--shadow-md);
}

.btn-cancel,
.modal-button.cancel {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

/* Loading Spinner */
.loading-overlay {
    z-index: 9999;
}

.loading-overlay p {
    margin-top: var(--space-4);
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--white);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- 11. ACTION BUTTONS & FAB --- */
.action-buttons-container {
    display: none;
    /* Hide desktop buttons by default, show FAB on mobile */
}

/* Floating Action Button (FAB) for Mobile */
@media (max-width: 1023px) {
    .action-buttons-container {
        display: block;
        position: fixed;
        bottom: var(--space-5);
        right: var(--space-5);
        z-index: 1001;
    }

    .action-button {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        margin-bottom: var(--space-4);
        font-size: 1.25rem;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-lg);
        transform: scale(0);
        transition: all var(--transition-normal);
        opacity: 0;
    }

    .action-buttons-container.active .action-button {
        transform: scale(1);
        opacity: 1;
    }

    .action-button .text {
        display: none;
    }

    .action-button .icon {
        display: inline;
    }

    .fab-main {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, var(--primary-blue), var(--secondary-teal));
        border-radius: 50%;
        border: none;
        display: flex;
        justify-content: center;
        align-items: center;
        color: white;
        font-size: 2rem;
        font-weight: 300;
        cursor: pointer;
        box-shadow: var(--shadow-xl);
        transition: all var(--transition-normal);
        position: relative;
    }

    .action-buttons-container.active .fab-main {
        transform: rotate(45deg);
        background: var(--danger-color);
    }

    .action-button.print-button {
        background-color: var(--primary-blue);
    }

    .action-button.generate-link-button {
        background-color: var(--secondary-teal);
    }

    .action-button.whatsapp-button {
        background-color: var(--whatsapp-color);
    }

    .action-button.save {
        background-color: white;
    }
}

/* Desktop Action Buttons */
@media (min-width: 1024px) {
    .fab-main {
        display: none;
    }

    .action-buttons-container {
        display: flex;
        justify-content: flex-end;
        gap: var(--space-3);
        max-width: 1024px;
        margin: 0 auto var(--space-5) auto;
    }

    .action-button {
        padding: var(--space-3) var(--space-5);
        border: none;
        border-radius: var(--radius-lg);
        font-weight: var(--font-weight-semibold);
        cursor: pointer;
        transition: all var(--transition-fast);
        box-shadow: var(--shadow-md);
        display: flex;
        align-items: center;
        gap: var(--space-2);
        color: var(--white);
    }

    .action-button:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }

    .action-button .text {
        display: inline;
    }

    .action-button .icon {
        display: inline;
        margin-right: var(--space-2);
    }

    .print-button {
        background-color: var(--primary-blue);
    }

    .generate-link-button {
        background-color: var(--secondary-teal);
    }

    .whatsapp-button {
        background-color: var(--whatsapp-color);
    }

    .save {
        background-color: white;
    }
}


/**************************************************************
 * --- IMPORTANT: PRINT STYLES - DO NOT EDIT THIS SECTION --- *
 **************************************************************/
@media print {
    body {
        background-color: #fff;
        padding: 0;
        margin: 0;
        font-size: 9pt;
        color: #000;
    }

    .action-buttons-container,
    #signature-modal,
    .duty-slip-screen,
    .action-confirm-modal,
    .loading-overlay {
        display: none !important;
    }

    .duty-slip-print {
        display: block !important;
        margin: 20px;
    }

    .print-main-table {
        width: 100%;
        border-collapse: collapse;
        border: 2px solid #000;
    }

    .print-main-table>tbody>tr>td {
        border-bottom: 2px solid #000;
        padding: 0;
        vertical-align: top;
    }

    .print-main-table>tbody:last-child>tr>td {
        border-bottom: none;
    }

    span[id^="print-"] {
        font-weight: 500;
        padding: 0 4px;
    }

    .print-header-table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-header-table td {
        padding: 5px;
        vertical-align: middle;
    }

    .logo-print {
        max-height: 70px;
        max-width: 110px;
    }

    .p-h-left {
        width: 45%;
        line-height: 1.3;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .p-h-center {
        width: 15%;
        text-align: center;
        text-decoration: underline;
        font-weight: bold;
        font-size: 1.4em;
        border-right: 2px solid #000;
    }

    .p-h-right {
        width: 30%;
    }

    .p-h-right table {
        width: 100%;
        border-collapse: collapse;
        border: 1px solid #000;
    }

    .p-h-right table td {
        padding: 4px 5px;
        border-bottom: 1px solid #000;
    }

    .p-h-right table tr:last-child td {
        border-bottom: none;
    }

    .p-h-right table td:first-child {
        width: 50px;
    }

    .print-body-table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-body-table>tbody>tr>td {
        padding: 5px;
        vertical-align: top;
    }

    .p-b-left {
        width: 55%;
    }

    .p-b-right {
        width: 45%;
        border-left: 2px solid #000;
    }

    .field-table {
        width: 100%;
        border-collapse: collapse;
        line-height: 1.5;
    }

    .field-table td {
        padding: 2px;
    }

    .field-table td.label {
        width: 100px;
    }

    .field-table td.value span,
    .field-table td.value textarea {
        display: inline-block;
        width: 100%;
        border-bottom: 1px dotted #dedede;
        min-height: 1.2em;
    }

    .field-table textarea {
        border: none;
        background: transparent;
        padding: 0;
        font: inherit;
        resize: none;
        height: 3em;
    }

    .field-table td.value textarea {
        border: 1px dotted #dedede;
        padding: 2px;
    }

    .nested-right-table {
        width: 100%;
        border-collapse: collapse;
    }

    .nested-right-table td {
        vertical-align: top;
        padding: 0;
    }

    .nested-right-table .block-1 {
        padding-right: 5px;
    }

    .nested-right-table .block-2 {
        border-left: 1px solid #000;
        padding-left: 5px;
    }

    .print-usage-table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-usage-table td {
        padding: 5px;
        vertical-align: top;
    }

    .usage-left-panel {
        width: 65%;
        border-right: 2px solid #000;
    }

    .usage-right-panel {
        width: 35%;
        padding: 0;
    }

    .left-grid {
        width: 100%;
        border-collapse: collapse;
        text-align: left;
    }

    .left-grid td {
        border: 1px solid #000;
        padding: 4px 8px;
    }

    .customer-usage-box {
        border: 1px solid #000;
        margin: 5px;
        padding: 5px 8px;
        height: calc(100% - 10px);
        line-height: 1.6;
    }

    .customer-usage-box strong {
        text-align: center;
        display: block;
        margin-bottom: 5px;
    }

    .print-footer-table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-footer-table td {
        vertical-align: top;
        padding: 8px;
    }

    .p-f-auth {
        width: 35%;
        text-align: center;
    }

    .p-f-routing {
        width: 30%;
        border-left: 1px solid #000;
        border-right: 1px solid #000;
    }

    .p-f-guest {
        width: 35%;
        text-align: center;
    }

    .p-f-auth,
    .p-f-guest {
        height: 80px;
    }

    .p-f-routing span {
        display: inline-block;
        border-bottom: 1px dotted #dedede;
        width: 100%;
        min-height: 1.2em;
    }

    .signature-display {
        display: block;
        margin: 0 auto;
        max-height: 45px;
        max-width: 140px;
        object-fit: contain;
    }
}

.download-button {
    background-color: #E53935; /* A shade of red */
}

/* For mobile FAB view */
@media (max-width: 1023px) {
    .action-button.download-button {
        background-color: #E53935;
    }
}