/**
 * Funky Iframe Component
 * Theme-aware styling for embed, modal, and detached modes
 */

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

:root {
    /* Overlay */
    --iframe-overlay-bg: rgba(0, 0, 0, 0.85);
    --iframe-overlay-backdrop: blur(4px);
    --iframe-overlay-text: #ffffff;
    --iframe-overlay-text-secondary: rgba(255, 255, 255, 0.7);
    --iframe-overlay-transition: 0.3s ease;

    /* Buttons */
    --iframe-btn-bg: var(--pro-primary, #0d6efd);
    --iframe-btn-text: var(--pro-button-text, #ffffff);
    --iframe-btn-hover-bg: var(--pro-primary-hover, #0b5ed7);
    --iframe-btn-border-radius: var(--pro-border-radius, 0.375rem);
    --iframe-btn-padding: 0.625rem 1.25rem;
    --iframe-btn-font-size: 0.9375rem;

    /* Close button */
    --iframe-close-size: 2.5rem;
    --iframe-close-bg: rgba(255, 255, 255, 0.1);
    --iframe-close-hover-bg: rgba(255, 255, 255, 0.2);
    --iframe-close-color: #ffffff;

    /* Embedded iframe */
    --iframe-embed-border: 1px solid var(--pro-border-color, #dee2e6);
    --iframe-embed-radius: var(--pro-border-radius, 0.375rem);
    --iframe-embed-shadow: var(--pro-shadow-sm, 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075));

    /* Loading */
    --iframe-loading-spinner-size: 2.5rem;
    --iframe-loading-spinner-color: var(--pro-primary, #0d6efd);
    --iframe-loading-bg: var(--pro-bg-secondary, #f8f9fa);
}

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

.funky-iframe-container {
    position: relative;
    width: 100%;
}

.funky-iframe-container--embed {
    border: var(--iframe-embed-border);
    border-radius: var(--iframe-embed-radius);
    box-shadow: var(--iframe-embed-shadow);
    overflow: hidden;
    background: var(--iframe-loading-bg);
}

/* ==========================================================================
   Iframe Element
   ========================================================================== */

.funky-iframe {
    display: block;
    width: 100%;
    border: none;
    background: transparent;
}

.funky-iframe--hidden {
    opacity: 0;
    visibility: hidden;
}

.funky-iframe--visible {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease;
}

/* ==========================================================================
   Trigger Button
   ========================================================================== */

.funky-iframe-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--iframe-btn-padding);
    font-size: var(--iframe-btn-font-size);
    font-weight: 500;
    line-height: 1.5;
    color: var(--iframe-btn-text);
    background-color: var(--iframe-btn-bg);
    border: none;
    border-radius: var(--iframe-btn-border-radius);
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
    text-decoration: none;
}

.funky-iframe-trigger:hover {
    background-color: var(--iframe-btn-hover-bg);
}

.funky-iframe-trigger:active {
    transform: scale(0.98);
}

.funky-iframe-trigger:focus-visible {
    outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    box-shadow: var(--focus-ring-shadow);
}

/* Icon support */
.funky-iframe-trigger .icon,
.funky-iframe-trigger i {
    font-size: 1.125em;
}

/* ==========================================================================
   Overlay (Detached Mode)
   ========================================================================== */

.funky-iframe-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--pro-zindex-modal, 1050);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--iframe-overlay-bg);
    backdrop-filter: var(--iframe-overlay-backdrop);
    -webkit-backdrop-filter: var(--iframe-overlay-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--iframe-overlay-transition), visibility var(--iframe-overlay-transition);
}

.funky-iframe-overlay--visible {
    opacity: 1;
    visibility: visible;
}

/* Prevent body scroll when overlay open */
body.funky-iframe-overlay-open {
    overflow: hidden;
}

/* ==========================================================================
   Overlay Close Button
   ========================================================================== */

.funky-iframe-overlay-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--iframe-close-size);
    height: var(--iframe-close-size);
    color: var(--iframe-close-color);
    background: var(--iframe-close-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    text-decoration: none;
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.funky-iframe-overlay-close:hover {
    background: var(--iframe-close-hover-bg);
    transform: scale(1.1);
    color: var(--iframe-close-color);
    text-decoration: none;
}

.funky-iframe-overlay-close:focus-visible {
    outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    box-shadow: var(--focus-ring-shadow);
}

/* ==========================================================================
   Overlay Message
   ========================================================================== */

.funky-iframe-overlay-message {
    text-align: center;
    padding: 2rem;
    max-width: 90%;
}

.funky-iframe-overlay-text {
    color: var(--iframe-overlay-text);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.funky-iframe-overlay-find {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--iframe-btn-padding);
    font-size: var(--iframe-btn-font-size);
    font-weight: 500;
    color: var(--iframe-btn-text);
    background-color: var(--iframe-btn-bg);
    border: none;
    border-radius: var(--iframe-btn-border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.funky-iframe-overlay-find:hover {
    background-color: var(--iframe-btn-hover-bg);
    text-decoration: none;
    color: var(--iframe-btn-text);
}

.funky-iframe-overlay-find:active {
    transform: scale(0.98);
}

.funky-iframe-overlay-find:focus-visible {
    outline: var(--focus-ring-width) var(--focus-ring-style) var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    box-shadow: var(--focus-ring-shadow);
}

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

.funky-iframe-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--iframe-loading-bg);
}

.funky-iframe-spinner {
    width: var(--iframe-loading-spinner-size);
    height: var(--iframe-loading-spinner-size);
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--iframe-loading-spinner-color);
    border-radius: 50%;
    animation: funky-iframe-spin 0.8s linear infinite;
}

@keyframes funky-iframe-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

[data-theme="dark"] {
    --iframe-overlay-bg: rgba(0, 0, 0, 0.9);
    --iframe-close-bg: rgba(255, 255, 255, 0.15);
    --iframe-close-hover-bg: rgba(255, 255, 255, 0.25);
    --iframe-embed-border: 1px solid var(--pro-border-color, #495057);
    --iframe-embed-shadow: var(--pro-shadow-sm, 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3));
    --iframe-loading-bg: var(--pro-bg-secondary, #212529);
}

[data-theme="dark"] .funky-iframe-spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: var(--iframe-loading-spinner-color);
}

/* ==========================================================================
   Light Theme (Explicit)
   ========================================================================== */

[data-theme="light"] {
    --iframe-overlay-bg: rgba(0, 0, 0, 0.85);
    --iframe-embed-border: 1px solid var(--pro-border-color, #dee2e6);
    --iframe-loading-bg: var(--pro-bg-secondary, #f8f9fa);
}

/* ==========================================================================
   Even Funkier Theme
   ========================================================================== */

[data-theme="even-funkier"] {
    --iframe-overlay-bg: rgba(26, 26, 46, 0.95);
    --iframe-btn-bg: var(--pro-primary, #9b59b6);
    --iframe-btn-hover-bg: var(--pro-primary-hover, #8e44ad);
    --iframe-loading-spinner-color: var(--pro-primary, #9b59b6);
}

[data-theme="even-funkier"] .funky-iframe-overlay--visible {
    box-shadow: inset 0 0 100px rgba(155, 89, 182, 0.1);
}

[data-theme="even-funkier"] .funky-iframe-trigger:hover,
[data-theme="even-funkier"] .funky-iframe-overlay-find:hover {
    box-shadow: 0 0 15px rgba(155, 89, 182, 0.4);
}

/* ==========================================================================
   Density Modes
   ========================================================================== */

/* Compact */
[data-density="compact"] {
    --iframe-btn-padding: 0.375rem 0.75rem;
    --iframe-btn-font-size: 0.8125rem;
    --iframe-close-size: 2rem;
    --iframe-loading-spinner-size: 2rem;
}

[data-density="compact"] .funky-iframe-overlay-text {
    font-size: 1.0625rem;
    margin-bottom: 1rem;
}

[data-density="compact"] .funky-iframe-overlay-message {
    padding: 1.5rem;
}

/* Spacious */
[data-density="spacious"] {
    --iframe-btn-padding: 0.875rem 1.75rem;
    --iframe-btn-font-size: 1.0625rem;
    --iframe-close-size: 3rem;
    --iframe-loading-spinner-size: 3rem;
}

[data-density="spacious"] .funky-iframe-overlay-text {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

[data-density="spacious"] .funky-iframe-overlay-message {
    padding: 3rem;
}

/* ==========================================================================
   Modal Mode Overrides
   ========================================================================== */

/* When using Funky.Modal, the iframe needs to fill the modal body */
.funky-modal .funky-iframe-container,
.modal .funky-iframe-container {
    width: 100%;
    height: 100%;
}

.funky-modal .funky-iframe,
.modal .funky-iframe {
    min-height: 400px;
    height: 100%;
}

/* Remove modal body padding when containing iframe */
.modal-body:has(.funky-iframe) {
    padding: 0;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
    .funky-iframe-overlay {
        transition: none;
    }

    .funky-iframe-spinner {
        animation: none;
        border-top-color: var(--iframe-loading-spinner-color);
        opacity: 0.7;
    }

    .funky-iframe-trigger,
    .funky-iframe-overlay-close,
    .funky-iframe-overlay-find {
        transition: none;
    }
}

/* High contrast mode */
@media (forced-colors: active) {
    .funky-iframe-trigger,
    .funky-iframe-overlay-find {
        border: 2px solid currentColor;
    }

    .funky-iframe-overlay-close {
        border: 2px solid currentColor;
    }

    .funky-iframe-container--embed {
        border: 2px solid currentColor;
    }
}

/* Focus visible for keyboard navigation */
.funky-iframe-trigger:focus:not(:focus-visible),
.funky-iframe-overlay-close:focus:not(:focus-visible),
.funky-iframe-overlay-find:focus:not(:focus-visible) {
    outline: none;
}

/* ==========================================================================
   IFRAME DEMO - Playground Demo Styles
   ========================================================================== */

.iframe-demo {
    padding: 24px;
    width: 100%;
}

.iframe-demo__section {
    margin-bottom: 32px;
}

.iframe-demo__section:last-child {
    margin-bottom: 0;
}

.iframe-demo__section h3 {
    margin-bottom: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--pro-text-primary, #e6edf3);
}

.iframe-demo__hint {
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--pro-text-muted, #6e7681);
}

.iframe-demo__hint i {
    margin-right: 6px;
    color: var(--pro-accent-info, #58a6ff);
}

.iframe-demo__hint code {
    padding: 2px 6px;
    background: var(--pro-bg-tertiary, #21262d);
    border-radius: 4px;
    font-size: 12px;
    color: var(--pro-accent-primary, #2f81f7);
}

/* State Display */
.iframe-demo__state {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
    background: var(--pro-bg-secondary, #161b22);
    border: 1px solid var(--pro-border-color, #30363d);
    border-radius: 8px;
}

.iframe-demo__state-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
}

.iframe-demo__state-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--pro-text-muted, #6e7681);
}

.iframe-demo__state-value {
    font-size: 14px;
    font-weight: 600;
    font-family: 'SF Mono', monospace;
    color: var(--pro-text-primary, #e6edf3);
}

/* Embed Container */
.iframe-demo__embed-container {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}

/* Controls */
.iframe-demo__controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* PostMessage Section */
.iframe-demo__postmessage {
    background: var(--pro-bg-secondary, #161b22);
    border: 1px solid var(--pro-border-color, #30363d);
    border-radius: 8px;
    padding: 16px;
}

.iframe-demo__postmessage-input {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.iframe-demo__postmessage-input input {
    flex: 1;
}

.iframe-demo__postmessage-presets {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.iframe-demo__postmessage-label {
    font-size: 13px;
    color: var(--pro-text-secondary, #8b949e);
}

/* Mode Cards */
.iframe-demo__modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.iframe-demo__mode-card {
    background: var(--pro-bg-secondary, #161b22);
    border: 1px solid var(--pro-border-color, #30363d);
    border-radius: 8px;
    padding: 16px;
}

.iframe-demo__mode-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--pro-text-primary, #e6edf3);
}

/* Sandbox Section */
.iframe-demo__sandbox {
    background: var(--pro-bg-secondary, #161b22);
    border: 1px solid var(--pro-border-color, #30363d);
    border-radius: 8px;
    padding: 16px;
}

.iframe-demo__sandbox-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.iframe-demo__sandbox-value {
    padding-top: 12px;
    border-top: 1px solid var(--pro-border-color, #30363d);
    font-size: 13px;
    color: var(--pro-text-secondary, #8b949e);
}

.iframe-demo__sandbox-value code {
    padding: 4px 8px;
    background: var(--pro-bg-tertiary, #21262d);
    border-radius: 4px;
    font-size: 12px;
    color: var(--pro-accent-primary, #2f81f7);
    margin-left: 8px;
}

/* Event Log */
.iframe-demo__log-controls {
    margin-bottom: 12px;
}

.iframe-demo__log {
    padding: 16px;
    background: var(--pro-bg-tertiary, #21262d);
    border: 1px solid var(--pro-border-color, #30363d);
    border-radius: 8px;
    font-size: 11px;
    font-family: 'SF Mono', monospace;
    color: var(--pro-text-muted, #6e7681);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0;
}

/* Light theme */
[data-theme="light"] .iframe-demo__state,
[data-theme="light"] .iframe-demo__postmessage,
[data-theme="light"] .iframe-demo__mode-card,
[data-theme="light"] .iframe-demo__sandbox {
    background: var(--pro-bg-elevated);
}

[data-theme="light"] .iframe-demo__log {
    background: var(--pro-bg-secondary);
}

/* Even-funkyer theme */
[data-theme="even-funkyer"] .iframe-demo__state,
[data-theme="even-funkyer"] .iframe-demo__postmessage,
[data-theme="even-funkyer"] .iframe-demo__mode-card,
[data-theme="even-funkyer"] .iframe-demo__sandbox {
    background: rgba(10, 0, 21, 0.6);
    border-color: rgba(255, 0, 255, 0.2);
}

[data-theme="even-funkyer"] .iframe-demo__log {
    background: rgba(10, 0, 21, 0.8);
    border-color: rgba(0, 255, 255, 0.2);
}

[data-theme="even-funkyer"] .iframe-demo__hint code,
[data-theme="even-funkyer"] .iframe-demo__sandbox-value code {
    background: rgba(0, 255, 255, 0.1);
    color: var(--pro-accent-info);
}