/**
 * Spaxel Dashboard - 3D Scene Styles
 *
 * 3D scene layout with responsive canvas sizing.
 * Handles iOS Safari visual viewport quirks and bottom navigation spacing.
 *
 * WCAG 2.1 Touch Target Compliance:
 * - All interactive elements meet minimum 44x44px touch target size
 * - Touch targets are expanded using padding or pseudo-elements where needed
 */

/* ===== WCAG 2.1 Touch Target Compliance Utilities ===== */

/* Touch target expansion for small checkboxes */
.panel-form-checkbox input[type="checkbox"],
.pattern-checkbox input[type="checkbox"],
.timeline-category-checkbox input[type="checkbox"],
.sim-gdop-controls input[type="checkbox"] {
    /* Ensure checkbox touch area is 44x44px minimum */
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    position: relative;
}

/* Expand checkbox hit area with pseudo-element */
.panel-form-checkbox input[type="checkbox"]::before,
.pattern-checkbox input[type="checkbox"]::before,
.timeline-category-checkbox input[type="checkbox"]::before,
.sim-gdop-controls input[type="checkbox"]::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

/* Expand small toggle switches to 44px height */
.toggle-switch {
    min-height: 44px;
}

.toggle-switch .slider {
    min-height: 44px;
    height: 44px;
}

.toggle-switch .slider:before {
    width: 36px;
    height: 36px;
    top: var(--space-1);
    left: var(--space-1);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(22px);
}

/* Expand slider thumb touch area */
.panel-form-group input[type="range"] {
    height: 44px; /* Full touch target height */
    background: transparent;
    cursor: pointer;
}

.panel-form-group input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    background: var(--bg-hover);
    border-radius: var(--radius-control);
    margin: 19px; /* Center track within 44px height */
}

.panel-form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    background: var(--blue-10);
    border-radius: 50%;
    cursor: pointer;
    margin-top: -13px; /* Center thumb on track */
    transition: transform 0.1s;
}

.panel-form-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.panel-form-group input[type="range"]::-moz-range-track {
    height: 6px;
    background: var(--bg-hover);
    border-radius: var(--radius-control);
}

.panel-form-group input[type="range"]::-moz-range-thumb {
    width: 32px;
    height: 32px;
    background: var(--blue-10);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Expand close button touch targets to 44x44px */
.panel-close,
.modal-close,
.panel-modal-close,
.sim-close-btn {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    font-size: var(--text-3xl);
    line-height: 44px;
    padding: 0;
}

/* Expand context menu items to 44px minimum height */
.context-item,
.blob-context-menu-item {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
}

/* Expand link list items to 44px minimum */
.link-item {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
}

/* Ensure all buttons meet 44x44px minimum */
.panel-btn,
.modal-btn,
.btn,
.sim-btn,
.alert-banner-btn,
.timeline-filter-toggle,
.timeline-load-more-btn,
.view-btn,
#floorplan-btn,
.node-identify-btn {
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
}

/* Small buttons: expand with padding while keeping appearance compact */
.btn-sm,
.timeline-feedback-btn,
.timeline-seek-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 14px var(--space-3); /* Extra vertical padding to reach 44px */
}

/* Volume tools buttons */
.volume-tools button {
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-3) var(--space-4);
}

/* Hamburger tabs - ensure 44px minimum */
.hamburger-tab {
    min-height: 44px;
    min-width: 44px;
}

/* Hamburger items - already 44px, ensure explicit */
.hamburger-item {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
}

/* Toast dismiss button */
.toast-dismiss {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    font-size: var(--text-xl);
}

/* Action items */
.action-item .action-remove {
    min-width: 44px;
    min-height: 44px;
    padding: var(--space-3) var(--space-2);
    font-size: var(--text-sm);
}

/* Sim item delete button */
.sim-item-delete {
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-3) var(--space-4);
}

/* Form controls */
.panel-form-group input[type="text"],
.panel-form-group input[type="number"],
.panel-form-group input[type="password"],
.panel-form-group input[type="email"],
.panel-form-group input[type="url"],
.panel-form-group select,
.panel-form-group textarea,
.panel-input,
.form-control,
.timeline-filter-select,
.timeline-search,
.timeline-date-input {
    min-height: 44px;
    padding: var(--space-3) var(--space-4);
}

/* ===== Scene Container (3D Canvas) — grid child =====
   #scene-container lives inside .app-main (the grid main area).
   It fills its parent via width/height: 100% instead of position:fixed. */
#scene-container {
    width: 100%;
    height: 100%;
    touch-action: none;
    z-index: 1;
    /* Mobile-specific touch handling improvements */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    /* Prevent iOS Safari from delaying single taps */
    -webkit-tap-highlight-color: transparent;
}

/* iOS Safari-specific handling for visual viewport */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari with visual viewport API */
    #scene-container {
        /* Use dynamic viewport height on iOS (handles address bar) */
        height: 100dvh;
    }
}

/* iOS Safari orientation change handling */
@supports (-webkit-touch-callout: none) {
    body {
        -webkit-text-size-adjust: 100%;
    }
}

/* Ensure canvas doesn't overflow during transitions */
#scene-container canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
    touch-action: none;
    /* Mobile-specific touch handling improvements */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Handle visual viewport resize events (iOS Safari keyboard, address bar) */
.visual-viewport-resizing #scene-container {
    pointer-events: none;
}

/* ===== Status Bar — grid header via layout.css =====
   When #status-bar is a direct child of .app-shell--live, it is the
   grid header. Uses position:sticky to stay visible during scroll. */
#status-bar {
    position: sticky;
    top: 0;
    z-index: 100;
}

/* ===== Alert Banner — full-width overlay ===== */
#alert-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 5000;
}

/* ===== Orientation-specific adjustments ===== */

/* Landscape orientation */
@media screen and (orientation: landscape) {
    #scene-container {
        height: 100%;
        height: 100dvh;
    }
}

/* Portrait orientation */
@media screen and (orientation: portrait) {
    #scene-container {
        height: 100%;
        height: 100dvh;
    }
}

/* ===== Responsive breakpoints ===== */

/* Small mobile devices */
@media screen and (max-width: 600px) {
    #scene-container {
        height: 100%;
        height: 100dvh;
    }
}

/* Tablets and larger */
@media screen and (min-width: 601px) {
    #scene-container {
        height: 100%;
        height: 100dvh;
    }
}

/* ===== Safe area insets for notched devices ===== */
@supports (padding: max(0px)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }

    #scene-container {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    #scene-container {
        height: calc(100% - env(safe-area-inset-top) - env(safe-area-inset-bottom));
        height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    }

}

/* ===== Prevent overscroll/bounce on iOS ===== */
@supports (-webkit-touch-callout: none) {
    #scene-container {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: none;
    }
}

/* ===== Loading state ===== */
#scene-container.loading {
    opacity: 0.5;
    pointer-events: none;
    transition: opacity 0.3s ease;
}