/**
 * ============================================================================
 * YUG SMART IVR - UNIFIED RESPONSIVE STYLESHEET (ALL DEVICES)
 * ============================================================================
 * Designed & Optimized for:
 *   - Mobile Devices (Small < 380px, Medium 380px-480px, Large 481px-768px)
 *   - Tablets (769px - 1024px, Portrait & Landscape)
 *   - Laptops & Notebooks (1025px - 1366px, & Short Heights <= 760px)
 *   - PC Desktops & Widescreens (> 1366px)
 *
 * Provides:
 *   1. Responsive 360° Hardware Viewer & Fullscreen Lightbox Modal
 *   2. Short-Viewport (Laptop) Auto-Fit (Zero Bottom Overflow / Cutoffs)
 *   3. Touch-Optimized Mobile Controls, Thumbnails & Action Stacks
 *   4. Blue Focus Ring Elimination on Chevrons & Interactive Elements
 *   5. Site-wide Grid, Form & Table Responsive Enhancements
 * ============================================================================
 */

/* ==========================================================================
   1. INTERACTIVE 360° VIEWER MODAL - BASE & UNIVERSAL STYLES
   ========================================================================== */

.modal-backdrop-360 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

.modal-backdrop-360.show {
    opacity: 1;
    visibility: visible;
}

/* Modal Main Card Container */
.modal-360-card {
    background: #ffffff;
    border-radius: 20px;
    width: 100%;
    max-width: 960px;
    max-height: min(92vh, 740px);
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 65px rgba(0, 0, 0, 0.35), 0 10px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
    transform: scale(0.96) translateY(12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
    position: relative;
}

.modal-backdrop-360.show .modal-360-card {
    transform: scale(1) translateY(0);
}

/* Custom Sleek Scrollbar for Modal Card */
.modal-360-card::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.modal-360-card::-webkit-scrollbar-track {
    background: #f1f5f9;
}
.modal-360-card::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
.modal-360-card::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Fullscreen Mode */
.modal-360-card.is-fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    border-radius: 0 !important;
    margin: 0 !important;
    border: none !important;
}

/* ==========================================================================
   2. MODAL HEADER & MODEL SWITCHER
   ========================================================================== */

.modal-360-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.95rem 1.6rem;
    border-bottom: 1px solid #e2e8f0;
    background: #ffffff;
    gap: 1rem;
    flex-shrink: 0;
    z-index: 10;
}

.modal-360-info {
    min-width: 0;
    flex: 1 1 auto;
}

.modal-360-badge {
    display: inline-block;
    background: #e6f7ee;
    color: #007331;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 2px 10px;
    border-radius: 50px;
    margin-bottom: 3px;
    text-transform: uppercase;
    white-space: nowrap;
}

.modal-360-header h3 {
    font-size: 1.22rem;
    color: #005a26;
    margin: 0;
    font-weight: 700;
    line-height: 1.25;
}

/* Model Switcher Tabs */
.modal-model-tabs {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    padding: 4px;
    border-radius: 50px;
    gap: 4px;
    flex-shrink: 0;
}

.modal-tab-pill {
    background: transparent;
    border: none;
    outline: none !important;
    font-family: 'Poppins', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    color: #64748b;
    padding: 5px 13px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.modal-tab-pill:hover {
    color: #0f172a;
}

.modal-tab-pill.active {
    background: #009640;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 150, 64, 0.3);
}

/* Header Window Actions (Fullscreen & Close) */
.modal-window-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.modal-action-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    outline: none !important;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.modal-action-btn svg {
    width: 17px;
    height: 17px;
}

.modal-action-btn:hover {
    background: #e2e8f0;
    color: #005a26;
    transform: scale(1.05);
}

.modal-action-btn.modal-close-btn {
    background: #fee2e2;
    color: #dc2626;
    border-color: #fca5a5;
}

.modal-action-btn.modal-close-btn:hover {
    background: #dc2626;
    color: #ffffff;
    border-color: #dc2626;
    transform: scale(1.08);
}

/* ==========================================================================
   3. MODAL STAGE (IMAGE VIEWPORT & ROTATION ENGINE)
   ========================================================================== */

.modal-360-stage {
    position: relative;
    background: radial-gradient(circle, #ffffff 25%, #f1f6f3 100%);
    flex: 1 1 auto;
    height: clamp(240px, 42vh, 400px);
    min-height: 220px;
    max-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.modal-360-stage:active {
    cursor: grabbing;
}

.modal-img-wrapper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    box-sizing: border-box;
}

#modal360Img {
    max-height: 100%;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.2s ease-out;
    pointer-events: none;
}

.modal-360-card.is-fullscreen .modal-360-stage {
    height: clamp(380px, 66vh, 760px) !important;
    max-height: 70vh !important;
}

.modal-360-card.is-fullscreen #modal360Img {
    max-height: 100% !important;
    max-width: 100% !important;
}

/* Dismissible Rotation Hint Banner */
.stage-rotation-hint {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.86);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 0.76rem;
    font-weight: 500;
    padding: 5px 12px 5px 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: opacity 0.35s ease, transform 0.2s ease;
    z-index: 20;
    pointer-events: auto;
}

.stage-rotation-hint:hover {
    background: rgba(15, 23, 42, 0.96);
    transform: translateX(-50%) translateY(-1px);
}

.hint-icon-glow svg {
    width: 14px;
    height: 14px;
    color: #4ade80;
    display: block;
}

.hint-close-x {
    font-size: 1.1rem;
    line-height: 0.8;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 3px;
    padding-left: 5px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

/* Floating Zoom Controls */
.modal-zoom-controls {
    position: absolute;
    bottom: 14px;
    left: 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid #e2e8f0;
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding: 3px;
    gap: 3px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    z-index: 15;
}

.zoom-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: transparent;
    border: none;
    outline: none !important;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.zoom-btn:hover {
    background: #e6f7ee;
    color: #009640;
}

.zoom-btn.reset-btn {
    font-size: 0.7rem;
    width: auto;
    padding: 0 8px;
    border-radius: 12px;
}

/* ==========================================================================
   4. ROTATION CHEVRONS - ZERO BLUE RINGS / BORDERS
   ========================================================================== */

.stage-rot-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.96) !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12) !important;
    color: #005a26 !important;
    font-size: 1.45rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 15;
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
    user-select: none;
    -webkit-user-select: none;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.stage-rot-arrow:focus,
.stage-rot-arrow:active,
.stage-rot-arrow:focus-visible {
    outline: none !important;
    border-color: #009640 !important;
    box-shadow: 0 0 0 3px rgba(0, 150, 64, 0.25) !important;
}

.stage-rot-arrow:focus:not(:focus-visible) {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12) !important;
}

.stage-rot-arrow:hover {
    background: #009640 !important;
    color: #ffffff !important;
    border-color: #009640 !important;
    transform: translateY(-50%) scale(1.06);
}

.stage-rot-arrow.prev { left: 14px; }
.stage-rot-arrow.next { right: 14px; }

/* ==========================================================================
   5. MODAL BOTTOM CONTROLS, THUMBNAILS & ACTIONS
   ========================================================================== */

.modal-360-controls {
    padding: 0.95rem 1.6rem;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    flex-shrink: 0;
    z-index: 10;
}

.controls-angle-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.active-angle-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: #005a26;
}

.active-angle-desc {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0;
    line-height: 1.4;
}

/* Angle Thumbnails Row */
.modal-angle-thumbnails {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 3px 2px;
}

.modal-angle-thumbnails::-webkit-scrollbar {
    height: 4px;
}
.modal-angle-thumbnails::-webkit-scrollbar-track {
    background: #f1f5f9;
}
.modal-angle-thumbnails::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.modal-thumb-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 4px;
    cursor: pointer;
    min-width: 62px;
    outline: none !important;
    transition: all 0.2s ease;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.modal-thumb-btn img {
    width: 52px;
    height: 36px;
    object-fit: contain;
    border-radius: 4px;
    background: #f8fafc;
}

.modal-thumb-btn span {
    font-size: 0.65rem;
    font-weight: 600;
    color: #64748b;
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
}

.modal-thumb-btn:hover {
    border-color: #009640;
    transform: translateY(-1px);
}

.modal-thumb-btn.active {
    border-color: #009640;
    box-shadow: 0 0 0 3px rgba(0, 150, 64, 0.22);
}

.modal-thumb-btn.active span {
    color: #009640;
}

/* Modal Footer Actions */
.modal-footer-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    flex-wrap: wrap;
    padding-top: 0.6rem;
    border-top: 1px dashed #e2e8f0;
}

.modal-cancel-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    color: #64748b;
    font-weight: 600;
    font-size: 0.82rem;
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    outline: none !important;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.modal-cancel-btn:hover {
    background: #fee2e2;
    color: #dc2626;
    border-color: #fca5a5;
    transform: translateY(-1px);
}

.modal-footer-primary-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

/* ==========================================================================
   6. SHORT VIEWPORT / LAPTOP OPTIMIZATION (CRITICAL FOR 700px-800px HEIGHTS)
   ========================================================================== */

@media (max-height: 760px) {
    .modal-backdrop-360 {
        padding: 0.6rem 0.5rem;
    }

    .modal-360-card {
        max-height: 96vh;
        overflow-y: auto;
    }

    .modal-360-header {
        padding: 0.65rem 1.2rem;
    }

    .modal-360-header h3 {
        font-size: 1.08rem;
    }

    .modal-tab-pill {
        padding: 4px 10px;
        font-size: 0.74rem;
    }

    .modal-action-btn {
        width: 34px;
        height: 34px;
    }

    .modal-360-stage {
        height: clamp(220px, 36vh, 340px);
        min-height: 200px;
    }

    .modal-img-wrapper {
        position: absolute;
        inset: 0;
        padding: 8px 16px;
    }

    .stage-rot-arrow {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }

    .stage-rotation-hint {
        top: 8px;
        padding: 3px 10px;
        font-size: 0.7rem;
    }

    .modal-360-controls {
        padding: 0.65rem 1.2rem;
        gap: 0.45rem;
    }

    .active-angle-name {
        font-size: 0.86rem;
    }

    .active-angle-desc {
        font-size: 0.75rem;
    }

    .modal-thumb-btn {
        min-width: 54px;
        padding: 3px;
    }

    .modal-thumb-btn img {
        width: 44px;
        height: 30px;
    }

    .modal-thumb-btn span {
        font-size: 0.6rem;
    }

    .modal-footer-actions {
        padding-top: 0.45rem;
    }
}

/* ==========================================================================
   7. TABLET SCREENS (769px - 1024px)
   ========================================================================== */

@media (min-width: 769px) and (max-width: 1024px) {
    .modal-360-card {
        max-width: 92%;
        max-height: 92vh;
    }

    .modal-360-stage {
        max-height: 36vh;
    }

    .modal-360-header h3 {
        font-size: 1.15rem;
    }
}

/* ==========================================================================
   8. MOBILE SCREENS (< 768px) - 100% TOUCH FRIENDLY & ADAPTIVE
   ========================================================================== */

@media (max-width: 768px) {
    .modal-backdrop-360 {
        padding: 0.5rem;
        align-items: center;
    }

    .modal-360-card {
        width: 100%;
        max-height: 94vh;
        border-radius: 16px;
        overflow-y: auto;
    }

    /* 2-Tier Header on Mobile */
    .modal-360-header {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
        padding: 0.75rem 0.95rem;
        gap: 0.6rem 0.5rem;
    }

    .modal-360-info {
        grid-column: 1 / 2;
        grid-row: 1 / 2;
        min-width: 0;
    }

    .modal-360-header h3 {
        font-size: 1.02rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .modal-window-actions {
        grid-column: 2 / 3;
        grid-row: 1 / 2;
        display: flex;
        align-items: center;
        gap: 6px;
        justify-self: end;
    }

    .modal-action-btn {
        width: 34px;
        height: 34px;
    }

    /* Model Tabs Row on Mobile */
    .modal-model-tabs {
        grid-column: 1 / -1;
        grid-row: 2 / 3;
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding: 3px;
        background: #f1f5f9;
        box-sizing: border-box;
    }

    .modal-tab-pill {
        padding: 5px 6px;
        font-size: 0.74rem;
        flex: 1;
        text-align: center;
        white-space: nowrap;
    }

    /* Mobile Stage */
    .modal-360-stage {
        height: clamp(200px, 34vh, 280px);
        min-height: 190px;
    }

    .modal-img-wrapper {
        position: absolute;
        inset: 0;
        padding: 10px 14px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #modal360Img {
        max-height: 100%;
        max-width: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
    }

    .stage-rot-arrow {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }

    .stage-rot-arrow.prev { left: 8px; }
    .stage-rot-arrow.next { right: 8px; }

    .stage-rotation-hint {
        top: 8px;
        padding: 4px 10px;
        font-size: 0.68rem;
        gap: 5px;
        max-width: 90%;
    }

    .modal-zoom-controls {
        bottom: 10px;
        left: 10px;
    }

    .zoom-btn {
        width: 26px;
        height: 26px;
        font-size: 0.8rem;
    }

    /* Mobile Controls & Thumbnails */
    .modal-360-controls {
        padding: 0.8rem 0.95rem;
        gap: 0.55rem;
    }

    .active-angle-name {
        font-size: 0.88rem;
    }

    .active-angle-desc {
        font-size: 0.76rem;
    }

    .modal-thumb-btn {
        min-width: 54px;
        padding: 3px;
    }

    .modal-thumb-btn img {
        width: 44px;
        height: 30px;
    }

    .modal-thumb-btn span {
        font-size: 0.62rem;
    }

    /* Mobile Action Buttons: Ergonomic Touch Hierarchy */
    .modal-footer-actions {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 0.5rem;
        padding-top: 0.5rem;
    }

    .modal-footer-primary-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .modal-footer-primary-group .btn,
    .modal-cancel-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 14px;
        font-size: 0.85rem;
        min-height: 42px;
        box-sizing: border-box;
    }
}

/* ==========================================================================
   9. ULTRA-COMPACT MOBILE (< 380px)
   ========================================================================== */

@media (max-width: 380px) {
    .modal-360-header h3 {
        font-size: 0.95rem;
    }

    .modal-tab-pill {
        font-size: 0.68rem;
        padding: 4px 4px;
    }

    .modal-360-stage {
        height: clamp(180px, 30vh, 240px);
        min-height: 170px;
    }

    .modal-thumb-btn {
        min-width: 48px;
    }

    .modal-thumb-btn img {
        width: 40px;
        height: 26px;
    }
}

/* ==========================================================================
   10. SITE-WIDE RESPONSIVE ENHANCEMENTS (FORMS, GRIDS & TABLES)
   ========================================================================== */

/* Prevent Mobile Input Auto-Zoom on iOS */
@media (max-width: 768px) {
    input[type="text"],
    input[type="tel"],
    input[type="email"],
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Security alert toast position on mobile */
    .yug-security-toast {
        bottom: 16px !important;
        right: 50% !important;
        transform: translateX(50%) !important;
        max-width: 90% !important;
        text-align: center;
        font-size: 0.8rem !important;
    }
}