/**
 * Funky.MorphPanel Styles
 * Smooth trigger-to-panel morphing component
 * 
 * Uses --pro-* CSS variables for theme consistency.
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

.funky-morph-panel {
    /* Structure */
    --morph-panel-border-radius: var(--pro-border-radius-lg, 12px);
    --morph-panel-spacing: var(--pro-spacing-md, 1rem);
    --morph-panel-header-height: 56px;
    --morph-panel-footer-height: 64px;
    
    /* Colors - inherit from theme */
    --morph-panel-bg: var(--pro-bg-primary);
    --morph-panel-header-bg: var(--pro-bg-secondary);
    --morph-panel-border-color: var(--pro-border-color);
    --morph-panel-text-color: var(--pro-text-primary);
    --morph-panel-text-muted: var(--pro-text-secondary);
    
    /* Shadow */
    --morph-panel-shadow: var(--pro-shadow-lg, 0 25px 50px -12px rgba(0, 0, 0, 0.25));
    
    /* Animation */
    --morph-panel-duration: 300ms;
    --morph-panel-timing: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Sizing */
    --morph-panel-width-sm: 400px;
    --morph-panel-width-md: 600px;
    --morph-panel-width-lg: 800px;
    --morph-panel-width-xl: 1000px;
}

/* ==========================================================================
   Backdrop
   ========================================================================== */

.funky-morph-panel__backdrop {
    position: fixed;
    inset: 0;
    z-index: var(--pro-z-modal-backdrop, 1040);
    background-color: rgba(0, 0, 0, 0);
    transition: background-color var(--morph-panel-duration) var(--morph-panel-timing);
    pointer-events: none;
}

.funky-morph-panel__backdrop--visible {
    background-color: rgba(0, 0, 0, 0.5);
    pointer-events: auto;
}

/* ==========================================================================
   Panel Container
   ========================================================================== */

.funky-morph-panel {
    position: fixed;
    z-index: var(--pro-z-modal, 1050);
    display: flex;
    flex-direction: column;
    background-color: var(--morph-panel-bg);
    border: 1px solid var(--morph-panel-border-color);
    border-radius: var(--morph-panel-border-radius);
    box-shadow: var(--morph-panel-shadow);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: 
        opacity var(--morph-panel-duration) var(--morph-panel-timing),
        visibility var(--morph-panel-duration) var(--morph-panel-timing),
        transform var(--morph-panel-duration) var(--morph-panel-timing);
}

.funky-morph-panel--visible {
    opacity: 1;
    visibility: visible;
}

.funky-morph-panel--morphing {
    /* During morph animation, Funky.Morph handles positioning */
    transition: none;
}

/* ==========================================================================
   Position Variants
   ========================================================================== */

/* Center (default) - uses inset + margin auto for centering (no transform needed) */
.funky-morph-panel--center {
    inset: 0;
    margin: auto;
    width: fit-content;
    height: fit-content;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.95);
    transform-origin: center center;
}

.funky-morph-panel--center.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
    transform: scale(1);
}

/* Left */
.funky-morph-panel--left {
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--morph-panel-width-md);
    max-width: 90vw;
    height: 100vh;
    border-radius: 0;
    border-left: none;
    transform: translateX(-100%);
}

.funky-morph-panel--left.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
    transform: translateX(0);
}

/* Right */
.funky-morph-panel--right {
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--morph-panel-width-md);
    max-width: 90vw;
    height: 100vh;
    border-radius: 0;
    border-right: none;
    transform: translateX(100%);
}

.funky-morph-panel--right.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
    transform: translateX(0);
}

/* Top */
.funky-morph-panel--top {
    top: 0;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    width: var(--morph-panel-width-lg);
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 0 0 var(--morph-panel-border-radius) var(--morph-panel-border-radius);
    border-top: none;
    transform: translateY(-100%);
}

.funky-morph-panel--top.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
    transform: translateY(0);
}

/* Bottom */
.funky-morph-panel--bottom {
    bottom: 0;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    width: var(--morph-panel-width-lg);
    max-width: 90vw;
    max-height: 80vh;
    border-radius: var(--morph-panel-border-radius) var(--morph-panel-border-radius) 0 0;
    border-bottom: none;
    transform: translateY(100%);
}

.funky-morph-panel--bottom.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
    transform: translateY(0);
}

/* ==========================================================================
   Size Variants
   ========================================================================== */

.funky-morph-panel--sm {
    --morph-panel-width: var(--morph-panel-width-sm);
}

.funky-morph-panel--md {
    --morph-panel-width: var(--morph-panel-width-md);
}

.funky-morph-panel--lg {
    --morph-panel-width: var(--morph-panel-width-lg);
}

.funky-morph-panel--xl {
    --morph-panel-width: var(--morph-panel-width-xl);
}

.funky-morph-panel--full {
    --morph-panel-width: 100vw;
}

/* Apply width to side panels */
.funky-morph-panel--left,
.funky-morph-panel--right {
    width: var(--morph-panel-width, var(--morph-panel-width-md));
}

/* Apply width to center/top/bottom */
.funky-morph-panel--center,
.funky-morph-panel--top,
.funky-morph-panel--bottom {
    width: var(--morph-panel-width, auto);
}

/* Full size overrides */
.funky-morph-panel--full.funky-morph-panel--left,
.funky-morph-panel--full.funky-morph-panel--right {
    width: 100vw;
    max-width: 100vw;
}

.funky-morph-panel--full.funky-morph-panel--center {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.funky-morph-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--morph-panel-header-height);
    padding: var(--morph-panel-spacing);
    background-color: var(--morph-panel-header-bg);
    border-bottom: 1px solid var(--morph-panel-border-color);
    flex-shrink: 0;
}

.funky-morph-panel__title {
    margin: 0;
    font-size: var(--pro-font-size-lg, 1.125rem);
    font-weight: 600;
    color: var(--morph-panel-text-color);
    line-height: 1.25;
}

.funky-morph-panel__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--morph-panel-text-muted);
    border-radius: var(--pro-border-radius, 6px);
    cursor: pointer;
    transition: 
        background-color 150ms ease,
        color 150ms ease;
}

.funky-morph-panel__close:hover {
    background-color: var(--pro-bg-hover);
    color: var(--morph-panel-text-color);
}

.funky-morph-panel__close:focus-visible {
    outline: 2px solid var(--pro-accent-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Body
   ========================================================================== */

.funky-morph-panel__body {
    flex: 1;
    padding: var(--morph-panel-spacing);
    overflow-y: auto;
    color: var(--morph-panel-text-color);
}

/* Scrollbar styling */
.funky-morph-panel__body::-webkit-scrollbar {
    width: 8px;
}

.funky-morph-panel__body::-webkit-scrollbar-track {
    background: transparent;
}

.funky-morph-panel__body::-webkit-scrollbar-thumb {
    background-color: var(--pro-scrollbar-thumb, rgba(128, 128, 128, 0.3));
    border-radius: 4px;
}

.funky-morph-panel__body::-webkit-scrollbar-thumb:hover {
    background-color: var(--pro-scrollbar-thumb-hover, rgba(128, 128, 128, 0.5));
}

/* ==========================================================================
   Footer
   ========================================================================== */

.funky-morph-panel__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--pro-spacing-sm, 0.5rem);
    min-height: var(--morph-panel-footer-height);
    padding: var(--morph-panel-spacing);
    background-color: var(--morph-panel-header-bg);
    border-top: 1px solid var(--morph-panel-border-color);
    flex-shrink: 0;
}

/* ==========================================================================
   Drag Handle (for mobile swipe-to-dismiss)
   ========================================================================== */

.funky-morph-panel__drag-handle {
    display: none;
}

@media (max-width: 768px) {
    /* Show drag handle on bottom/center panels on mobile */
    .funky-morph-panel--bottom .funky-morph-panel__drag-handle,
    .funky-morph-panel--center .funky-morph-panel__drag-handle {
        display: flex;
        justify-content: center;
        padding: 8px 0;
        cursor: grab;
        touch-action: none;
    }
    
    .funky-morph-panel__drag-handle::before {
        content: '';
        width: 36px;
        height: 4px;
        background-color: var(--pro-border-color);
        border-radius: 2px;
    }
    
    .funky-morph-panel__drag-handle:active {
        cursor: grabbing;
    }
    
    .funky-morph-panel__drag-handle:active::before {
        background-color: var(--pro-text-muted);
    }
}

/* ==========================================================================
   Form Mode
   ========================================================================== */

.funky-morph-panel--form .funky-morph-panel__body {
    padding: 0;
}

.funky-morph-panel--form .funky-morph-panel__footer {
    display: flex;
}

/* Form wrapper inside panel */
.funky-morph-panel__form {
    padding: var(--morph-panel-spacing);
}

.funky-morph-panel__form .funky-form {
    margin: 0;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.funky-morph-panel--loading {
    pointer-events: none;
}

.funky-morph-panel--loading .funky-morph-panel__body {
    position: relative;
}

.funky-morph-panel--loading .funky-morph-panel__body::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--morph-panel-bg);
    opacity: 0.7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.funky-morph-panel--loading .funky-morph-panel__footer {
    opacity: 0.5;
    pointer-events: none;
}

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

@media (max-width: 768px) {
    /* Side panels become full width on mobile */
    .funky-morph-panel--left,
    .funky-morph-panel--right {
        width: 100vw;
        max-width: 100vw;
    }
    
    /* Top/bottom panels become full width */
    .funky-morph-panel--top,
    .funky-morph-panel--bottom {
        width: 100vw;
        max-width: 100vw;
        left: 0;
        transform: translateY(-100%);
    }
    
    .funky-morph-panel--bottom {
        transform: translateY(100%);
    }
    
    .funky-morph-panel--top.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
        transform: translateY(0);
    }
    
    .funky-morph-panel--bottom.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
        transform: translateY(0);
    }
    
    /* Center panels become bottom sheets on mobile */
    .funky-morph-panel--center {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100vw;
        max-width: 100vw;
        max-height: 90vh;
        border-radius: var(--morph-panel-border-radius) var(--morph-panel-border-radius) 0 0;
        transform: translateY(100%);
    }
    
    .funky-morph-panel--center.funky-morph-panel--visible:not(.funky-morph-panel--morphing) {
        transform: translateY(0);
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .funky-morph-panel,
    .funky-morph-panel__backdrop {
        transition-duration: 0ms;
    }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .funky-morph-panel__backdrop {
        display: none;
    }

    .funky-morph-panel {
        position: static;
        width: 100%;
        max-width: 100%;
        height: auto;
        max-height: none;
        border: 1px solid #000;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

/* ==========================================================================
   MORPH PANEL PLAYGROUND DEMO
   ========================================================================== */

/* Trigger Grid */
.morph-panel-demo__trigger-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.morph-panel-demo__trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
}

/* Card Trigger */
.morph-panel-demo__card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--pro-bg-tertiary, #1a1a1a);
    border: 1px solid var(--pro-border-color, #333);
    border-radius: var(--pro-radius-md, 8px);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.morph-panel-demo__card:hover {
    background: var(--pro-bg-hover, rgba(255, 255, 255, 0.05));
    border-color: var(--pro-accent-primary, #2f81f7);
    transform: translateY(-2px);
}

.morph-panel-demo__card:focus-visible {
    outline: 2px solid var(--pro-accent-primary, #2f81f7);
    outline-offset: 2px;
}

.morph-panel-demo__card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--pro-accent-primary-muted, rgba(47, 129, 247, 0.15));
    border-radius: var(--pro-radius-sm, 6px);
    color: var(--pro-accent-primary, #2f81f7);
    font-size: 1.125rem;
}

.morph-panel-demo__card-content {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.morph-panel-demo__card-title {
    font-weight: 600;
    color: var(--pro-text-primary, #e0e0e0);
    font-size: 0.875rem;
}

.morph-panel-demo__card-subtitle {
    font-size: 0.75rem;
    color: var(--pro-text-secondary, #888);
}

/* Size Buttons */
.morph-panel-demo__size-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* API Buttons */
.morph-panel-demo__api-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Settings Display */
.morph-panel-demo__settings {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.morph-panel-demo__settings .badge {
    font-weight: 400;
}

.morph-panel-demo__settings .badge strong {
    font-weight: 600;
}

/* Panel Content Styles */
.morph-panel-demo__panel-content {
    padding: 0.5rem;
}

.morph-panel-demo__panel-intro {
    margin-bottom: 1rem;
    color: var(--pro-text-secondary, #888);
}

.morph-panel-demo__panel-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--pro-bg-tertiary, #1a1a1a);
    border-radius: var(--pro-radius-sm, 6px);
}

.morph-panel-demo__panel-info-item {
    font-size: 0.875rem;
    color: var(--pro-text-primary, #e0e0e0);
}

.morph-panel-demo__panel-info-item strong {
    color: var(--pro-text-secondary, #888);
    font-weight: 500;
    margin-right: 0.25rem;
}

.morph-panel-demo__features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.morph-panel-demo__features-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--pro-text-primary, #e0e0e0);
}

.morph-panel-demo__features-list i {
    color: var(--pro-color-success, #22c55e);
    font-size: 0.75rem;
}

/* Light Theme */
[data-theme="light"] .morph-panel-demo__card {
    background: var(--pro-bg-tertiary, #f1f3f5);
    border-color: var(--pro-border-color, #dee2e6);
}

[data-theme="light"] .morph-panel-demo__card:hover {
    background: var(--pro-bg-hover, rgba(0, 0, 0, 0.03));
}

[data-theme="light"] .morph-panel-demo__panel-info {
    background: var(--pro-bg-tertiary, #f1f3f5);
}

/* Responsive */
@media (max-width: 768px) {
    .morph-panel-demo__trigger-grid {
        grid-template-columns: 1fr;
    }

    .morph-panel-demo__size-buttons,
    .morph-panel-demo__api-buttons {
        flex-direction: column;
    }

    .morph-panel-demo__size-buttons .btn,
    .morph-panel-demo__api-buttons .btn {
        width: 100%;
    }

    .morph-panel-demo__settings {
        flex-direction: column;
    }

    .morph-panel-demo__panel-info {
        flex-direction: column;
        gap: 0.5rem;
    }
}