/**
 * Modal System Styles
 * Flexible modal component with multiple sizes and animations
 */

/* CSS Variables for theming */
:root {
    --modal-overlay-bg: rgba(0, 0, 0, 0.85);
    --modal-bg: #ffffff;
    --modal-text: #333333;
    --modal-border-radius: 8px;
    --modal-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --modal-close-hover: var(--primary-200);
    --modal-z-index: 9999;
    --modal-animation-duration: 800ms;
    --modal-padding: 2rem;
    --modal-header-border: #eeeeee;
    --modal-video-border-radius: 0; /* Square corners for video */
}

/* Base modal system */
.modal-system {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--modal-z-index);
    display: none;
    overflow: hidden;
}

.modal-system.modal-active {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Prevent body scroll when modal is open */
body.modal-open {
    overflow: hidden;
}

/* Overlay */
.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay-bg);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--modal-animation-duration) ease;
}

.modal-active .modal-overlay {
    opacity: 1;
}

/* Container */
.modal-container {
    position: relative;
    background-color: var(--modal-bg);
    color: var(--modal-text);
    border-radius: var(--modal-border-radius);
    box-shadow: var(--modal-shadow);
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: scale(1);
    transition: all var(--modal-animation-duration) ease;
}

/* Special styling for video modals - no background, no radius */
.modal-container[data-modal-type="video"] {
    background-color: transparent;
    border-radius: 0;
    box-shadow: none;
}

.modal-active .modal-container {
    opacity: 1;
}

/* Modal sizes */
.modal-container[data-modal-size="small"] {
    width: 90%;
    max-width: 500px;
}

.modal-container[data-modal-size="medium"] {
    width: 90%;
    max-width: 800px;
}

.modal-container[data-modal-size="large"] {
    width: 90%;
    max-width: 1200px;
}

.modal-container[data-modal-size="full"] {
    width: 95%;
    max-width: 95%;
    height: 95vh;
    max-height: 95vh;
}

/* Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem var(--modal-padding);
    border-bottom: 1px solid var(--modal-header-border);
    flex-shrink: 0;
}

.modal-header:empty {
    display: none;
}

.modal-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--modal-text);
}

.modal-title:empty {
    display: none;
}

/* Close button */
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    line-height: 1;
    color: #999;
    transition: all 200ms ease;
    z-index: 10;
}

.modal-close:hover,
.modal-close:focus {
    transform: rotate(90deg);
}

.modal-close:hover {
    color: var(--secondary-100);
}

.modal-close:focus {
    color: var(--secondary-200);
    outline-offset: 2px;
}

/* Content area */
.modal-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--modal-padding);
    -webkit-overflow-scrolling: touch;
}

/* Remove padding for full-width content */
.modal-container[data-modal-size="full"] .modal-content {
    padding: 0;
}

/* Loading state */
.modal-loading .modal-content {
    display: none;
}

.modal-loading .modal-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
}

.modal-system:not(.modal-loading) .modal-loading {
    display: none;
}

/* Spinner */
.modal-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #333;
    border-radius: 50%;
    animation: modal-spin 1s linear infinite;
}

@keyframes modal-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Video wrapper */
.modal-video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

.modal-video-wrapper iframe,
.modal-video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Video modal specific styles */
.modal-container[data-modal-type="video"] .modal-content {
    padding: 0;
    background: transparent;
}

.modal-container[data-modal-type="video"] .modal-header {
    display: none;
}

.modal-container[data-modal-type="video"] .modal-close {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    z-index: 10001;
    transition: all 200ms ease;
}

.modal-container[data-modal-type="video"] .modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

/* Image wrapper */
.modal-image-wrapper {
    text-align: center;
}

.modal-image-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Form styles */
.modal-content form {
    max-width: 600px;
    margin: 0 auto;
}

.modal-content .form-group {
    margin-bottom: 1.5rem;
}

.modal-content label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.modal-content input[type="text"],
.modal-content input[type="email"],
.modal-content input[type="tel"],
.modal-content textarea,
.modal-content select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.modal-content button[type="submit"] {
    background-color: #007cba;
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 200ms ease;
}

.modal-content button[type="submit"]:hover {
    background-color: #005a87;
}

/* Animation variations */
/* Fade (default) */
.modal-system[data-animation="fade"] .modal-container {
    transition: opacity var(--modal-animation-duration) ease;
}

/* Slide */
.modal-system[data-animation="slide"] .modal-container {
    transform: translateY(-50px);
    transition: all var(--modal-animation-duration) ease;
}

.modal-system[data-animation="slide"].modal-active .modal-container {
    transform: translateY(0);
}

/* Zoom */
.modal-system[data-animation="zoom"] .modal-container {
    transform: scale(0.7);
    transition: all var(--modal-animation-duration) ease;
}

.modal-system[data-animation="zoom"].modal-active .modal-container {
    transform: scale(1);
}

/* Cinematic mode for video modals */
.modal-system[data-modal-type="video"] .modal-overlay {
    transition: all 0.8s ease;
}

/* Remove hover darkening effect */

/* Responsive */
@media (max-width: 768px) {
    :root {
        --modal-padding: 1.5rem;
    }
    
    .modal-container {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-container[data-modal-size="large"],
    .modal-container[data-modal-size="full"] {
        width: 100%;
        height: 100%;
        max-height: 100%;
        margin: 0;
        border-radius: 0;
    }
    
    .modal-title {
        font-size: 1.25rem;
    }
    
    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --modal-padding: 1rem;
    }
    
    .modal-container[data-modal-size="small"],
    .modal-container[data-modal-size="medium"] {
        width: 100%;
        height: 100%;
        max-height: 100%;
        margin: 0;
        border-radius: 0;
    }
}

/* Print styles */
@media print {
    .modal-system {
        display: none !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --modal-bg: #1e1e1e;
        --modal-text: #ffffff;
        --modal-header-border: #333333;
    }
    
    .modal-content input[type="text"],
    .modal-content input[type="email"],
    .modal-content input[type="tel"],
    .modal-content textarea,
    .modal-content select {
        background-color: #2a2a2a;
        border-color: #444;
        color: #fff;
    }
}

/* Accessibility */
.modal-system:focus-within {
    outline: none;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}