/* ================================================================
   POPUP SYSTEM — Mobile-first modular popup components
   Prefix: .popup-system- (avoids conflicts with existing styles)
   Dependencies: ego-design-system.css (design tokens), theme CSS
   ================================================================ */

/* ================================
   BACKDROP
   ================================ */
.popup-system-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop, 500);
    opacity: 0;
    transition: opacity 250ms ease;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.popup-system-backdrop.popup-system-visible {
    opacity: 1;
}

/* ================================
   BOTTOM SHEET (mobile < 768px default)
   ================================ */
.popup-system-bottom-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal, 600);
    background: var(--panel-bg, #fff);
    color: var(--text-color, #1a1a1a);
    border-radius: var(--radius-xl, 16px) var(--radius-xl, 16px) 0 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
    max-height: 90vh;
    max-height: 90dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    will-change: transform;
    touch-action: none;
}

.popup-system-bottom-sheet.popup-system-visible {
    transform: translateY(0);
}

/* Drag handle */
.popup-system-drag-handle {
    display: flex;
    justify-content: center;
    padding: var(--space-3, 12px) 0 var(--space-1, 4px);
    cursor: grab;
    flex-shrink: 0;
}

.popup-system-drag-handle::after {
    content: '';
    width: 36px;
    height: 4px;
    border-radius: var(--radius-full, 9999px);
    background: var(--border-color, #E5E7EB);
}

.popup-system-drag-handle:active {
    cursor: grabbing;
}

/* ================================
   FLOATING PANEL (desktop >= 768px default)
   ================================ */
.popup-system-floating-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: var(--z-modal, 600);
    background: var(--panel-bg, #fff);
    color: var(--text-color, #1a1a1a);
    border-radius: var(--radius-xl, 16px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border-color, #E5E7EB);
    width: 90vw;
    max-width: 520px;
    max-height: 85vh;
    max-height: 85dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translate(-50%, -50%) scale(0.92);
    opacity: 0;
    transition: transform 250ms cubic-bezier(0.32, 0.72, 0, 1), opacity 200ms ease;
    will-change: transform, opacity;
}

.popup-system-floating-panel.popup-system-visible {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* ================================
   SHARED PANEL INTERNALS
   ================================ */
.popup-system-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4, 16px) var(--space-5, 20px);
    border-bottom: 1px solid var(--border-color, #E5E7EB);
    flex-shrink: 0;
}

.popup-system-title {
    font-family: var(--font-display, Georgia, serif);
    font-size: var(--text-xl, 20px);
    font-weight: var(--font-semibold, 600);
    color: var(--text-color, #1a1a1a);
    margin: 0;
    line-height: var(--leading-tight, 1.15);
}

.popup-system-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    border: none;
    background: transparent;
    color: var(--text-muted, #6B7280);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-md, 8px);
    transition: background var(--transition-fast, 150ms ease), color var(--transition-fast, 150ms ease);
    margin: calc(-1 * var(--space-2, 8px));
    flex-shrink: 0;
}

.popup-system-close-btn:hover {
    background: var(--color-bg-subtle, #F3F4F6);
    color: var(--text-color, #1a1a1a);
}

.popup-system-close-btn:focus-visible {
    outline: 2px solid var(--button-bg, var(--primary-color, #7C5E3C));
    outline-offset: 2px;
}

.popup-system-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5, 20px);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.popup-system-footer {
    display: flex;
    gap: var(--space-3, 12px);
    padding: var(--space-4, 16px) var(--space-5, 20px);
    border-top: 1px solid var(--border-color, #E5E7EB);
    flex-shrink: 0;
    padding-bottom: calc(var(--space-4, 16px) + env(safe-area-inset-bottom, 0px));
}

.popup-system-footer .popup-system-btn {
    flex: 1;
}

/* ================================
   BUTTONS
   ================================ */
.popup-system-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 8px);
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-3, 12px) var(--space-5, 20px);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: var(--radius-md, 8px);
    background: var(--panel-bg, #fff);
    color: var(--text-color, #1a1a1a);
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    font-weight: var(--font-medium, 500);
    cursor: pointer;
    transition: background var(--transition-fast, 150ms ease),
                border-color var(--transition-fast, 150ms ease),
                color var(--transition-fast, 150ms ease),
                box-shadow var(--transition-fast, 150ms ease);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.popup-system-btn:hover {
    border-color: var(--primary-color, #7C5E3C);
    color: var(--primary-color, #7C5E3C);
}

.popup-system-btn:focus-visible {
    outline: 2px solid var(--button-bg, var(--primary-color, #7C5E3C));
    outline-offset: 2px;
}

.popup-system-btn:active {
    transform: scale(0.97);
}

.popup-system-btn-primary {
    background: var(--primary-color, #7C5E3C);
    color: var(--color-text-inverse, #fff);
    border-color: var(--primary-color, #7C5E3C);
}

.popup-system-btn-primary:hover {
    background: var(--color-primary-hover, #634A2E);
    border-color: var(--color-primary-hover, #634A2E);
    color: var(--color-text-inverse, #fff);
}

/* ================================
   QUICKPICK — Grid of option cards
   ================================ */
.popup-system-quickpick-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3, 12px);
}

.popup-system-quickpick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 8px);
    min-height: 44px;
    padding: var(--space-4, 16px) var(--space-3, 12px);
    border: 2px solid var(--border-color, #E5E7EB);
    border-radius: var(--radius-lg, 12px);
    background: var(--panel-bg, #fff);
    color: var(--text-color, #1a1a1a);
    cursor: pointer;
    transition: border-color var(--transition-fast, 150ms ease),
                background var(--transition-fast, 150ms ease),
                box-shadow var(--transition-fast, 150ms ease),
                transform var(--transition-fast, 150ms ease);
    text-align: center;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.popup-system-quickpick-card:hover {
    border-color: var(--primary-color, #7C5E3C);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.popup-system-quickpick-card:active {
    transform: scale(0.97);
}

.popup-system-quickpick-card.popup-system-selected {
    border-color: var(--primary-color, #7C5E3C);
    background: var(--color-primary-subtle, rgba(124, 94, 60, 0.08));
    box-shadow: 0 0 0 3px var(--color-primary-subtle, rgba(124, 94, 60, 0.08));
}

.popup-system-quickpick-card:focus-visible {
    outline: 2px solid var(--button-bg, var(--primary-color, #7C5E3C));
    outline-offset: 2px;
}

.popup-system-quickpick-icon {
    font-size: 28px;
    line-height: 1;
}

.popup-system-quickpick-label {
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    font-weight: var(--font-medium, 500);
}

.popup-system-quickpick-desc {
    font-size: var(--text-sm, 13px);
    color: var(--text-muted, #6B7280);
    line-height: var(--leading-normal, 1.5);
}

/* ================================
   SLIDER — Range input
   ================================ */
.popup-system-slider-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
    padding: var(--space-2, 8px) 0;
}

.popup-system-slider-label-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.popup-system-slider-label {
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    font-weight: var(--font-medium, 500);
    color: var(--text-color, #1a1a1a);
}

.popup-system-slider-value {
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-sm, 13px);
    font-weight: var(--font-semibold, 600);
    color: var(--primary-color, #7C5E3C);
    min-width: 2em;
    text-align: right;
}

.popup-system-slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full, 9999px);
    background: var(--border-color, #E5E7EB);
    outline: none;
    cursor: pointer;
}

.popup-system-slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color, #7C5E3C);
    border: 3px solid var(--panel-bg, #fff);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: transform var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease);
}

.popup-system-slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.popup-system-slider-input::-moz-range-thumb {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color, #7C5E3C);
    border: 3px solid var(--panel-bg, #fff);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.popup-system-slider-input:focus-visible {
    outline: none;
}

.popup-system-slider-input:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px var(--color-primary-subtle, rgba(124, 94, 60, 0.08)), 0 2px 8px rgba(0, 0, 0, 0.2);
}

.popup-system-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs, 11px);
    color: var(--text-muted, #6B7280);
}

/* ================================
   TEXT INPUT — Single line + multiline
   ================================ */
.popup-system-text-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 8px);
}

.popup-system-text-label {
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    font-weight: var(--font-medium, 500);
    color: var(--text-color, #1a1a1a);
}

.popup-system-text-wrapper {
    position: relative;
    display: flex;
    align-items: flex-start;
}

.popup-system-text-input,
.popup-system-textarea {
    width: 100%;
    min-height: 44px;
    padding: var(--space-3, 12px) var(--space-4, 16px);
    border: 1px solid var(--border-color, #E5E7EB);
    border-radius: var(--radius-md, 8px);
    background: var(--input-bg, var(--panel-bg, #fff));
    color: var(--text-color, #1a1a1a);
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    line-height: var(--leading-normal, 1.5);
    transition: border-color var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease);
    resize: none;
}

.popup-system-text-input:focus,
.popup-system-textarea:focus {
    outline: none;
    border-color: var(--primary-color, #7C5E3C);
    box-shadow: 0 0 0 3px var(--color-primary-subtle, rgba(124, 94, 60, 0.08));
}

.popup-system-text-input::placeholder,
.popup-system-textarea::placeholder {
    color: var(--text-muted, #6B7280);
}

.popup-system-textarea {
    min-height: 88px;
    overflow-y: auto;
}

/* Voice button overlaid on text input */
.popup-system-text-wrapper.popup-system-has-voice .popup-system-text-input,
.popup-system-text-wrapper.popup-system-has-voice .popup-system-textarea {
    padding-right: 52px;
}

.popup-system-voice-btn {
    position: absolute;
    right: var(--space-2, 8px);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-md, 8px);
    background: transparent;
    color: var(--text-muted, #6B7280);
    cursor: pointer;
    transition: background var(--transition-fast, 150ms ease), color var(--transition-fast, 150ms ease);
}

.popup-system-voice-btn:hover {
    background: var(--color-bg-subtle, #F3F4F6);
    color: var(--primary-color, #7C5E3C);
}

.popup-system-voice-btn.popup-system-recording {
    color: var(--danger-color, #ef4444);
    animation: popup-system-pulse 1.5s infinite;
}

.popup-system-char-count {
    font-size: var(--text-xs, 11px);
    color: var(--text-muted, #6B7280);
    text-align: right;
}

.popup-system-char-count.popup-system-near-limit {
    color: var(--color-warning, #f59e0b);
}

.popup-system-char-count.popup-system-at-limit {
    color: var(--danger-color, #ef4444);
}

/* ================================
   INFO CARD — Rich display card
   ================================ */
.popup-system-info-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 16px);
}

.popup-system-info-header {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
}

.popup-system-info-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
}

.popup-system-info-title {
    font-family: var(--font-display, Georgia, serif);
    font-size: var(--text-lg, 17px);
    font-weight: var(--font-semibold, 600);
    color: var(--text-color, #1a1a1a);
}

.popup-system-info-content {
    font-family: var(--font-body, Georgia, serif);
    font-size: var(--text-base, 15px);
    line-height: var(--leading-relaxed, 1.65);
    color: var(--text-color, #1a1a1a);
}

.popup-system-info-content p {
    margin-bottom: var(--space-3, 12px);
}

.popup-system-info-content p:last-child {
    margin-bottom: 0;
}

.popup-system-info-content strong {
    font-weight: var(--font-semibold, 600);
}

.popup-system-info-content em {
    font-style: italic;
}

.popup-system-info-content code {
    font-size: 0.9em;
    background: var(--color-bg-subtle, #F3F4F6);
    padding: 2px 6px;
    border-radius: var(--radius-sm, 4px);
}

.popup-system-info-actions {
    display: flex;
    gap: var(--space-3, 12px);
    flex-wrap: wrap;
}

/* ================================
   MULTISELECT — Chip/tag selection
   ================================ */
.popup-system-multiselect-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.popup-system-multiselect-label {
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-base, 15px);
    font-weight: var(--font-medium, 500);
    color: var(--text-color, #1a1a1a);
}

.popup-system-multiselect-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2, 8px);
}

.popup-system-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, 8px);
    min-height: 44px;
    padding: var(--space-2, 8px) var(--space-4, 16px);
    border: 2px solid var(--border-color, #E5E7EB);
    border-radius: var(--radius-full, 9999px);
    background: var(--panel-bg, #fff);
    color: var(--text-color, #1a1a1a);
    font-family: var(--font-ui, sans-serif);
    font-size: var(--text-sm, 13px);
    font-weight: var(--font-medium, 500);
    cursor: pointer;
    transition: border-color var(--transition-fast, 150ms ease),
                background var(--transition-fast, 150ms ease),
                color var(--transition-fast, 150ms ease),
                transform var(--transition-fast, 150ms ease);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.popup-system-chip:hover {
    border-color: var(--primary-color, #7C5E3C);
}

.popup-system-chip:active {
    transform: scale(0.95);
}

.popup-system-chip.popup-system-selected {
    border-color: var(--primary-color, #7C5E3C);
    background: var(--primary-color, #7C5E3C);
    color: var(--color-text-inverse, #fff);
}

.popup-system-chip:focus-visible {
    outline: 2px solid var(--button-bg, var(--primary-color, #7C5E3C));
    outline-offset: 2px;
}

.popup-system-chip-icon {
    font-size: 16px;
    line-height: 1;
}

.popup-system-multiselect-hint {
    font-size: var(--text-xs, 11px);
    color: var(--text-muted, #6B7280);
}

/* ================================
   COMPOSER — Multi-step progress
   ================================ */
.popup-system-step-indicator {
    display: flex;
    justify-content: center;
    gap: var(--space-2, 8px);
    padding: var(--space-2, 8px) 0 var(--space-4, 16px);
}

.popup-system-step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color, #E5E7EB);
    transition: background var(--transition-fast, 150ms ease), transform var(--transition-fast, 150ms ease);
}

.popup-system-step-dot.popup-system-active {
    background: var(--primary-color, #7C5E3C);
    transform: scale(1.3);
}

.popup-system-step-dot.popup-system-completed {
    background: var(--color-success, #10b981);
}

.popup-system-step-content {
    min-height: 100px;
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes popup-system-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ================================
   RESPONSIVE — Tablet (>= 768px)
   ================================ */
@media (min-width: 768px) {
    .popup-system-quickpick-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .popup-system-body {
        padding: var(--space-6, 24px);
    }

    .popup-system-header {
        padding: var(--space-5, 20px) var(--space-6, 24px);
    }

    .popup-system-footer {
        padding: var(--space-4, 16px) var(--space-6, 24px);
    }
}

/* ================================
   RESPONSIVE — Desktop (>= 1024px)
   ================================ */
@media (min-width: 1024px) {
    .popup-system-quickpick-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .popup-system-floating-panel {
        max-width: 600px;
    }
}

/* ================================
   REDUCED MOTION
   ================================ */
@media (prefers-reduced-motion: reduce) {
    .popup-system-bottom-sheet,
    .popup-system-floating-panel,
    .popup-system-backdrop {
        transition-duration: 0ms;
    }

    .popup-system-quickpick-card:active,
    .popup-system-chip:active,
    .popup-system-btn:active {
        transform: none;
    }

    .popup-system-voice-btn.popup-system-recording {
        animation: none;
    }
}