/* 냉장고를 부탁해 - 스타일 */

:root {
    /* Colors */
    --color-primary: #ff6b35;
    --color-primary-dark: #e55a2b;
    --color-secondary: #4ecdc4;
    --color-bg: #fffcf2;
    --color-text: #2c2c2c;
    --color-text-light: #666;
    --color-border: #e0e0e0;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    background: linear-gradient(135deg, #fffcf2 0%, #ffecd1 100%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.hidden {
    display: none !important;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.book-info {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
}

.book-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.book-chapter {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    font-weight: 500;
}

.header-top {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
}

.header-title-group {
    flex: 1;
    max-width: 600px;
}

.app-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.title-icon {
    font-size: 2.5rem;
}

.app-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    font-weight: 300;
}

.btn-settings {
    background: rgba(255, 107, 53, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 8px;
}

.btn-settings:hover {
    background: var(--color-primary);
    transform: rotate(90deg) scale(1.1);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    z-index: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
}

.btn-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color 0.2s;
    padding: 0;
}

.btn-close:hover {
    color: var(--color-text);
}

.settings-info {
    background: rgba(255, 107, 53, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.settings-info p {
    margin-bottom: var(--spacing-sm);
}

.settings-help a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #f5f5f5;
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-primary);
    padding: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    font-size: var(--font-size-lg);
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Upload Section */
.upload-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.upload-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-icon {
    font-size: 1.8rem;
}

.section-description {
    color: var(--color-text-light);
    font-size: var(--font-size-md);
}

.upload-area {
    border: 3px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: border-color 0.3s;
    margin-bottom: var(--spacing-lg);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.upload-icon {
    font-size: 4rem;
}

.upload-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.sample-divider {
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.sample-text {
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.sample-images {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.sample-image-btn {
    width: 120px;
    height: 120px;
    border: 3px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
    padding: 0;
}

.sample-image-btn:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.sample-image-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview {
    width: 100%;
    position: relative;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.btn-remove {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove:hover {
    background: rgba(0, 0, 0, 0.7);
}

.divider {
    text-align: center;
    position: relative;
    margin: var(--spacing-xl) 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-border);
}

.divider span {
    position: relative;
    background: white;
    padding: 0 var(--spacing-md);
    color: var(--color-text-light);
}

.ingredients-input {
    margin-bottom: var(--spacing-lg);
}

.input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: var(--font-size-lg);
}

.label-icon {
    font-size: 1.5rem;
}

.ingredients-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-family: inherit;
    resize: vertical;
}

.ingredients-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-generate {
    width: 100%;
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff8555 100%);
}

.btn-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Loading */
.loading-section {
    text-align: center;
    padding: var(--spacing-2xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-lg);
    border: 4px solid rgba(255, 107, 53, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* Recipe Result */
.recipe-result {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.result-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.result-icon {
    font-size: 2rem;
}

.recipe-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.recipe-dish-name {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.recipe-meta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.recipe-badge {
    background: rgba(255, 107, 53, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
}

.recipe-section {
    margin-bottom: var(--spacing-xl);
}

.recipe-section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.recipe-ingredients-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.recipe-ingredients-list li {
    padding: var(--spacing-sm);
    background: rgba(78, 205, 196, 0.1);
    border-radius: var(--radius-sm);
}

.recipe-ingredients-list li::before {
    content: '✓ ';
    color: var(--color-secondary);
    font-weight: bold;
}

.recipe-steps-list {
    list-style: none;
    counter-reset: step-counter;
}

.recipe-steps-list li {
    counter-increment: step-counter;
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.recipe-steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--color-primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--font-size-sm);
}

.recipe-tip {
    background: linear-gradient(135deg, rgba(255, 235, 59, 0.2) 0%, rgba(255, 193, 7, 0.2) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid #ffc107;
}

.result-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.result-actions .btn {
    flex: 1;
}

/* Saved Recipes */
.saved-recipes-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.saved-recipes-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.saved-recipe-card {
    background: linear-gradient(135deg, #fff9e6 0%, #fff3d6 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    transition: all 0.3s;
}

.saved-recipe-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.saved-recipe-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.saved-recipe-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.btn-remove-saved {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.btn-remove-saved:hover {
    opacity: 1;
}

.saved-recipe-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.saved-recipe-date {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.btn-view-recipe {
    width: 100%;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-light);
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: var(--font-size-xl);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--color-text-light);
}

.footer .book-info {
    margin-top: var(--spacing-lg);
    display: inline-block;
}

/* Recognized Ingredients Section */
.recognized-section {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(78, 205, 196, 0.05) 100%);
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.recognized-header {
    margin-bottom: var(--spacing-md);
}

.recognized-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.recognized-icon {
    font-size: 1.5rem;
}

.recognized-content {
    margin-bottom: var(--spacing-md);
    min-height: 60px;
}

.recognized-hint {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-lg);
    font-size: var(--font-size-md);
}

.recognized-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.recognized-item {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.recognized-number {
    background: var(--color-secondary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: bold;
    flex-shrink: 0;
}

.recognized-name {
    font-size: var(--font-size-md);
    color: var(--color-text);
}

.recognized-note {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.recognized-error {
    text-align: center;
    color: var(--color-error);
    padding: var(--spacing-md);
}

.recognized-actions {
    text-align: center;
}

.loading-mini {
    text-align: center;
    padding: var(--spacing-lg);
}

.loading-spinner-small {
    width: 30px;
    height: 30px;
    margin: 0 auto var(--spacing-md);
    border: 3px solid rgba(78, 205, 196, 0.2);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-mini p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .app-title {
        font-size: var(--font-size-xl);
    }

    .header-top {
        flex-direction: column;
        align-items: center;
    }

    .btn-settings {
        position: absolute;
        top: 0;
        right: 0;
    }

    .saved-recipes-content {
        grid-template-columns: 1fr;
    }

    .result-actions {
        flex-direction: column;
    }

    .recipe-ingredients-list {
        grid-template-columns: 1fr;
    }

    .recognized-list {
        grid-template-columns: 1fr;
    }
}