/* ============================================
   BILL MODAL - PREMIUM DESIGN
   ============================================ */

/* Bill Modal Overlay */
.bill-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--px-16);
    transition: opacity var(--transition-smooth);
}

    .bill-modal-overlay.opacity-0 {
        opacity: 0;
    }

.bill-modal-container {
    background-color: white;
    border-radius: var(--px-16);
    box-shadow: var(--shadow-xl);
    max-width: var(--px-500);
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: fadeInScale 0.4s var(--transition-elegant);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Header */
.bill-modal-header {
    padding: var(--px-16) var(--px-20);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: white;
    z-index: 10;
}

.bill-modal-title {
    font: normal normal 700 var(--s-18);
    color: var(--txt-color);
    margin: 0;
    letter-spacing: -0.3px;
}

.bill-modal-close {
    color: #9ca3af;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--px-4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--px-8);
    transition: all var(--transition-smooth);
}

    .bill-modal-close:hover {
        color: #6b7280;
        background: rgba(0, 0, 0, 0.05);
    }

    .bill-modal-close:active {
        transform: scale(0.95);
    }

.bill-close-icon {
    height: var(--px-24);
    width: var(--px-24);
}

/* Room Info Section */
.bill-room-info {
    padding: var(--px-16) var(--px-20);
    background-color: #eff6ff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--px-16);
}

.bill-info-left,
.bill-info-right {
    flex: 1;
    min-width: var(--px-200);
}

.bill-info-right {
    text-align: right;
}

.bill-room-number {
    font: normal normal 500 var(--s-16);
    color: var(--txt-color);
    margin: 0 0 var(--px-4) 0;
}

.bill-room-type,
.bill-dates,
.bill-label,
.bill-folio {
    font: normal normal 400 var(--s-14);
    color: #4b5563;
    margin: var(--px-2) 0;
}

.bill-guest-name {
    font: normal normal 500 var(--s-16);
    color: var(--txt-color);
    margin: var(--px-2) 0;
}

/* Table Wrapper */
.bill-table-wrapper {
    overflow-y: auto;
    flex: 1;
    padding: var(--px-8) var(--px-20);
}

.bill-table {
    width: 100%;
    font: normal normal 400 var(--s-14);
}

.bill-table-header {
    position: sticky;
    top: 0;
    background-color: white;
    z-index: 5;
}

    .bill-table-header tr {
        border-bottom: 1px solid #e5e7eb;
    }

    .bill-table-header th {
        padding: var(--px-8) 0;
        font: normal normal 500 var(--s-14);
        color: #6b7280;
    }

.bill-th-date,
.bill-th-description {
    text-align: left;
}

.bill-th-amount {
    text-align: right;
}

.bill-table-body .bill-row {
    border-bottom: 1px solid #f3f4f6;
    transition: background-color var(--transition-fast);
}

    .bill-table-body .bill-row:hover {
        background-color: #f9fafb;
    }

.bill-table-body td {
    padding: var(--px-12) 0;
}

.bill-date {
    color: #4b5563;
    font: normal normal 400 var(--s-13);
}

.bill-description {
    color: #1f2937;
    font: normal normal 400 var(--s-14);
}

.bill-amount {
    color: #1f2937;
    text-align: right;
    font: normal normal 600 var(--s-14);
}

/* Total Section */
.bill-total-section {
    padding: var(--px-16) var(--px-20);
    border-top: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.bill-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font: normal normal 500 var(--s-16);
}

.bill-total-label {
    color: var(--txt-color);
}

.bill-total-amount {
    font: normal normal 700 var(--s-18);
    color: var(--color-green);
}

.bill-disclaimer {
    margin-top: var(--px-8);
    font: normal normal 400 var(--s-12);
    color: #6b7280;
    line-height: 1.4;
}

/* Footer */
.bill-modal-footer {
    padding: var(--px-16) var(--px-20);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: white;
}

    .bill-modal-footer > div {
        display: flex;
        justify-content: flex-end;
    }

.bill-close-btn {
    padding: var(--px-12) var(--px-16);
    background-color: var(--color-green);
    color: white;
    border: none;
    border-radius: var(--px-8);
    font: normal normal 600 var(--s-14);
    cursor: pointer;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-soft);
}

    .bill-close-btn:hover {
        background-color: #15803d;
        box-shadow: var(--shadow-medium);
        transform: translateY(-2px);
    }

    .bill-close-btn:active {
        transform: translateY(0);
        box-shadow: var(--shadow-soft);
    }

    .bill-close-btn:focus {
        outline: 2px solid var(--color-green);
        outline-offset: 2px;
    }

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

/* Tablets & Small Laptops (768px - 1024px) */
@media (max-width: 1024px) {
    .bill-modal-container {
        max-width: var(--px-500);
    }
}

/* Mobile Landscape & Tablets Portrait (640px - 768px) */
@media (max-width: 768px) {
    .bill-modal-overlay {
        padding: var(--px-12);
    }

    .bill-modal-container {
        max-width: 100%;
    }

    .bill-modal-header {
        padding: var(--px-12) var(--px-16);
    }

    .bill-modal-title {
        font: normal normal 700 var(--s-16);
    }

    .bill-room-info {
        padding: var(--px-12) var(--px-16);
        gap: var(--px-12);
    }

    .bill-info-left,
    .bill-info-right {
        min-width: auto;
    }

    .bill-room-number,
    .bill-guest-name {
        font: normal normal 500 var(--s-15);
    }

    .bill-room-type,
    .bill-dates,
    .bill-label,
    .bill-folio {
        font: normal normal 400 var(--s-13);
    }

    .bill-table-wrapper {
        padding: var(--px-8) var(--px-16);
    }

    .bill-table {
        font: normal normal 400 var(--s-13);
    }

    .bill-table-header th {
        font: normal normal 500 var(--s-13);
        padding: var(--px-6) 0;
    }

    .bill-table-body td {
        padding: var(--px-10) 0;
    }

    .bill-date {
        font: normal normal 400 var(--s-12);
    }

    .bill-description {
        font: normal normal 400 var(--s-13);
    }

    .bill-amount {
        font: normal normal 600 var(--s-13);
    }

    .bill-total-section {
        padding: var(--px-12) var(--px-16);
    }

    .bill-total-row {
        font: normal normal 500 var(--s-15);
    }

    .bill-total-amount {
        font: normal normal 700 var(--s-16);
    }

    .bill-disclaimer {
        font: normal normal 400 var(--s-11);
    }

    .bill-modal-footer {
        padding: var(--px-12) var(--px-16);
    }

    .bill-close-btn {
        padding: var(--px-10) var(--px-14);
        font: normal normal 600 var(--s-13);
    }
}

/* Mobile Portrait (480px - 640px) */
@media (max-width: 640px) {
    .bill-modal-overlay {
        padding: var(--px-10);
    }

    .bill-modal-container {
        border-radius: var(--px-12);
    }

    .bill-modal-header {
        padding: var(--px-10) var(--px-12);
    }

    .bill-modal-title {
        font: normal normal 700 var(--s-15);
    }

    .bill-close-icon {
        height: var(--px-20);
        width: var(--px-20);
    }

    .bill-room-info {
        padding: var(--px-10) var(--px-12);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--px-10);
    }

    .bill-info-right {
        text-align: left;
    }

    .bill-room-number,
    .bill-guest-name {
        font: normal normal 500 var(--s-14);
    }

    .bill-room-type,
    .bill-dates,
    .bill-label,
    .bill-folio {
        font: normal normal 400 var(--s-12);
    }

    .bill-table-wrapper {
        padding: var(--px-6) var(--px-12);
    }

    .bill-table {
        font: normal normal 400 var(--s-12);
    }

    .bill-table-header th {
        font: normal normal 500 var(--s-12);
    }

    .bill-date {
        font: normal normal 400 var(--s-11);
    }

    .bill-description {
        font: normal normal 400 var(--s-12);
    }

    .bill-amount {
        font: normal normal 600 var(--s-12);
    }

    .bill-total-section {
        padding: var(--px-10) var(--px-12);
    }

    .bill-total-row {
        font: normal normal 500 var(--s-14);
    }

    .bill-total-amount {
        font: normal normal 700 var(--s-15);
    }

    .bill-disclaimer {
        font: normal normal 400 var(--s-10);
        margin-top: var(--px-6);
    }

    .bill-modal-footer {
        padding: var(--px-10) var(--px-12);
    }

    .bill-close-btn {
        padding: var(--px-8) var(--px-12);
        font: normal normal 600 var(--s-12);
    }
}

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    .bill-modal-overlay {
        padding: var(--px-8);
    }

    .bill-modal-header {
        padding: var(--px-8) var(--px-10);
    }

    .bill-modal-title {
        font: normal normal 700 var(--s-14);
    }

    .bill-close-icon {
        height: var(--px-18);
        width: var(--px-18);
    }

    .bill-room-info {
        padding: var(--px-8) var(--px-10);
        gap: var(--px-8);
    }

    .bill-room-number,
    .bill-guest-name {
        font: normal normal 500 var(--s-13);
    }

    .bill-room-type,
    .bill-dates,
    .bill-label,
    .bill-folio {
        font: normal normal 400 var(--s-11);
    }

    .bill-table-wrapper {
        padding: var(--px-4) var(--px-10);
    }

    .bill-table {
        font: normal normal 400 var(--s-11);
    }

    .bill-table-header th {
        font: normal normal 500 var(--s-11);
        padding: var(--px-4) 0;
    }

    .bill-table-body td {
        padding: var(--px-8) 0;
    }

    .bill-date {
        font: normal normal 400 var(--s-10);
    }

    .bill-description {
        font: normal normal 400 var(--s-11);
    }

    .bill-amount {
        font: normal normal 600 var(--s-11);
    }

    .bill-total-section {
        padding: var(--px-8) var(--px-10);
    }

    .bill-total-row {
        font: normal normal 500 var(--s-13);
    }

    .bill-total-amount {
        font: normal normal 700 var(--s-14);
    }

    .bill-disclaimer {
        font: normal normal 400 var(--s-10);
    }

    .bill-modal-footer {
        padding: var(--px-8) var(--px-10);
    }

    .bill-close-btn {
        width: 100%;
        padding: var(--px-8);
        font: normal normal 600 var(--s-12);
    }
}

/* Very Small Mobile (< 360px) */
@media (max-width: 360px) {
    .bill-modal-container {
        max-width: 100%;
    }

    .bill-modal-title {
        font: normal normal 700 var(--s-13);
    }

    .bill-room-number,
    .bill-guest-name {
        font: normal normal 500 var(--s-12);
    }

    .bill-room-type,
    .bill-dates,
    .bill-label,
    .bill-folio {
        font: normal normal 400 var(--s-10);
    }

    .bill-table {
        font: normal normal 400 var(--s-10);
    }

    .bill-table-header th {
        font: normal normal 500 var(--s-10);
    }

    .bill-th-date,
    .bill-date {
        display: none;
    }

    .bill-total-row {
        font: normal normal 500 var(--s-12);
    }

    .bill-total-amount {
        font: normal normal 700 var(--s-13);
    }
}

/* ============================================
   ACCESSIBILITY & PERFORMANCE
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .bill-modal-overlay,
    .bill-modal-container,
    .bill-close-btn,
    .bill-modal-close,
    .bill-table-body .bill-row {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .bill-modal-close {
        min-height: var(--px-44);
        min-width: var(--px-44);
    }

    .bill-close-btn {
        min-height: var(--px-44);
    }

    .bill-modal-close:active {
        background: rgba(0, 0, 0, 0.1);
    }
}

/* Print styles */
@media print {
    .bill-modal-overlay {
        background-color: white;
    }

    .bill-modal-container {
        box-shadow: none;
        border: 1px solid #ccc;
        max-height: none;
    }

    .bill-modal-close,
    .bill-close-btn {
        display: none;
    }

    .bill-table-wrapper {
        overflow: visible;
    }

    .bill-room-info {
        background-color: #f3f4f6;
        page-break-inside: avoid;
    }

    .bill-table-body .bill-row {
        page-break-inside: avoid;
    }
}

/* Dark mode support (optional - for future implementation) */
/*@media (prefers-color-scheme: dark) {
    .bill-modal-overlay {
        background-color: rgba(0, 0, 0, 0.75);
    }

    .bill-modal-container {
        background-color: #1f2937;
    }

    .bill-modal-header,
    .bill-modal-footer {
        background: #1f2937;
        border-color: rgba(255, 255, 255, 0.1);
    }

    .bill-modal-title {
        color: white;
    }

    .bill-room-info {
        background-color: #374151;
    }

    .bill-room-number,
    .bill-guest-name {
        color: white;
    }

    .bill-room-type,
    .bill-dates,
    .bill-label,
    .bill-folio {
        color: #d1d5db;
    }

    .bill-table-wrapper,
    .bill-table-header {
        background-color: #1f2937;
    }

        .bill-table-header th {
            color: #9ca3af;
        }

    .bill-description,
    .bill-amount {
        color: white;
    }

    .bill-date {
        color: #d1d5db;
    }

    .bill-table-body .bill-row:hover {
        background-color: #374151;
    }

    .bill-total-section {
        background-color: #111827;
        border-color: rgba(255, 255, 255, 0.1);
    }

    .bill-total-label {
        color: white;
    }

    .bill-disclaimer {
        color: #9ca3af;
    }

    .bill-modal-close {
        color: #d1d5db;
    }

        .bill-modal-close:hover {
            color: white;
            background: rgba(255, 255, 255, 0.1);
        }
}*/

/* Scrollbar Styling */
.bill-table-wrapper::-webkit-scrollbar {
    width: var(--px-6);
}

.bill-table-wrapper::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.bill-table-wrapper::-webkit-scrollbar-thumb {
    background: #9ca3af;
    border-radius: var(--px-4);
}

    .bill-table-wrapper::-webkit-scrollbar-thumb:hover {
        background: #6b7280;
    }