/* ====== Korean Photobooth Styles ====== */

/* Custom Fonts */
@font-face {
    font-family: 'Handwriting';
    src: url('../assets/fonts/handwriting1.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Handwriting2';
    src: url('../assets/fonts/handwriting2.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Utility classes */
.hidden {
    display: none !important;
}

:root {
    /* Korean aesthetic color palette */
    --primary-pink: #FFB6C1;
    --soft-pink: #FFE4E1;
    --pastel-blue: #E6F3FF;
    --pastel-purple: #E6E6FA;
    --cream: #FFFEF2;
    --white: #FFFFFF;
    --text-dark: #333333;
    --text-light: #666666;
    --border: #E0E0E0;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
}

body {
    font-family: 'Handwriting2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--soft-pink) 0%, var(--pastel-blue) 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-dark);
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: var(--spacing-md);
}

/* ====== Screen Management ====== */
.screen {
    display: none;
    background: var(--white);
    border-radius: 24px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ====== Landing Page ====== */
#landing-page {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.title {
    font-family: 'Handwriting', 'Handwriting2', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-pink);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(255, 182, 193, 0.3);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

/* ====== Buttons ====== */
.btn-primary,
.btn-secondary,
.btn-capture,
.btn-back {
    font-family: 'Handwriting2', sans-serif;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), #FF69B4);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 180, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-pink);
    border: 2px solid var(--primary-pink);
}

.btn-secondary:hover {
    background: var(--soft-pink);
}

.btn-capture {
    background: var(--white);
    color: var(--primary-pink);
    border: 3px solid var(--primary-pink);
    font-size: 1.3rem;
    padding: var(--spacing-md) var(--spacing-xl);
}

.btn-back {
    background: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--border);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-back:hover {
    border-color: var(--primary-pink);
    background: var(--soft-pink);
    color: var(--primary-pink);
}

/* ====== Frame Selection ====== */
#frame-selection h2 {
    font-family: 'Handwriting', 'Handwriting2', sans-serif;
    text-align: center;
    color: var(--primary-pink);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
}

.frame-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    /* One frame per row */
    /* grid-template-columns: 1fr; */
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

.frame-option {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    padding: var(--spacing-md);
    border: 3px solid transparent;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.frame-option:hover {
    border-color: var(--primary-pink);
    background: var(--soft-pink);
    transform: scale(1.05);
}

.frame-preview {
    background: var(--cream);
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    border: 2px solid var(--border);
}

.grid-1x1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.grid-2x3 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 8px;
}

.grid-1x4 {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    gap: 8px;
}

.grid-1x3 {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 8px;
}

.grid-1x2 {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 8px;
}

.photo-slot {
    aspect-ratio: 1;
    background: var(--white);
    border: 2px dashed var(--border);
    border-radius: 4px;
}

/* ====== Camera Screen ====== */
.camera-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

#video {
    width: 100%;
    border-radius: 16px;
    border: 4px solid var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.camera-controls {
    text-align: center;
    margin-top: var(--spacing-md);
}

.countdown {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-pink);
    margin-bottom: var(--spacing-sm);
    min-height: 60px;
}

.photo-counter {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.thumbnail {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    border: 3px solid var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

/* ====== Edit Screen ====== */
#edit-screen h2 {
    font-family: 'Handwriting', 'Handwriting2', sans-serif;
    text-align: center;
    color: var(--primary-pink);
    margin-bottom: var(--spacing-lg);
}

.edit-container {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

#edit-canvas {
    border: 4px solid var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 100%;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#edit-canvas:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.edit-controls {
    flex: 1;
    min-width: 250px;
}

.control-group {
    margin-bottom: var(--spacing-lg);
}

.control-group h3 {
    font-family: 'Handwriting', 'Handwriting2', sans-serif;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.filter-buttons,
.sticker-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-buttons button,
.sticker-buttons button {
    font-family: 'Handwriting2', sans-serif;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--border);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-buttons button:hover,
.sticker-buttons button:hover {
    border-color: var(--primary-pink);
    background: var(--soft-pink);
}

.filter-buttons button.selected {
    border-color: var(--primary-pink);
    background: linear-gradient(135deg, var(--primary-pink), #FF69B4);
    color: var(--white);
    font-weight: bold;
}

.sticker-buttons button {
    font-size: 1.5rem;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ====== Custom Modal ====== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    z-index: 9999;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: overlayFadeIn 0.4s ease forwards;
}

@keyframes overlayFadeIn {
    from {
        background: rgba(0, 0, 0, 0);
        backdrop-filter: blur(0px);
    }
    to {
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
    }
}

@keyframes overlayFadeOut {
    from {
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
    }
    to {
        background: rgba(0, 0, 0, 0);
        backdrop-filter: blur(0px);
    }
}

.modal.closing {
    animation: overlayFadeOut 0.2s ease forwards;
}

.modal-content {
    background: var(--white);
    border-radius: 24px;
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: zoomIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes zoomIn {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(-50px);
    }
    50% {
        transform: scale(1.05) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes zoomOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

.modal.closing .modal-content {
    animation: zoomOut 0.2s ease-in-out forwards;
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.modal-message {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.modal-btn {
    font-family: 'Handwriting2', sans-serif;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.modal-btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), #FF69B4);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

.modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 180, 0.4);
}

.modal-btn-secondary {
    background: var(--white);
    color: var(--primary-pink);
    border: 2px solid var(--primary-pink);
}

.modal-btn-secondary:hover {
    background: var(--soft-pink);
}

/* ====== Responsive Design ====== */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .frame-options {
        grid-template-columns: 1fr;
    }

    .edit-container {
        flex-direction: column;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons button {
        width: 100%;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }

    .modal-buttons {
        flex-direction: column;
    }

    .modal-btn {
        width: 100%;
    }
}

/* Share URL Input Styling */
.share-url-input {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid #667eea;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    margin: 1rem 0;
    font-family: inherit;
}

.share-url-helper {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* ====== Photo Popup Modal ====== */
.photo-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    z-index: 10000;
}

.photo-popup.active {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: overlayFadeIn 0.4s ease forwards;
}

.photo-popup.closing {
    animation: overlayFadeOut 0.2s ease forwards;
}

.photo-popup-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.photo-popup-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: zoomIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.photo-popup.closing .photo-popup-content {
    animation: zoomOut 0.2s ease-in-out forwards;
}

.photo-popup-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: var(--white);
    color: var(--primary-pink);
    border: 2px solid var(--primary-pink);
    font-family: 'Handwriting2', sans-serif;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

.photo-popup-close:hover {
    background: var(--soft-pink);
    transform: scale(1.1);
}

#photo-popup-img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 4px solid var(--white);
}

@media (max-width: 768px) {
    .photo-popup-close {
        top: 10px;
        right: 10px;
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
    }

    #photo-popup-img {
        max-height: 80vh;
        border-radius: 16px;
    }
}