:root {
    --primary: #FF6B6B;
    --primary-hover: #FF5252;
    --secondary: #4ECDC4;
    --secondary-hover: #3DBDB5;
    --background: #FFFFFF;
    --surface: #F7F7F7;
    --surface-hover: #ECECEC;
    --text: #2C3E50;
    --text-muted: #95A5A6;
    --error: #E74C3C;
    --success: #27AE60;
    --warning: #F39C12;
    --shadow: 0 2px 8px rgba(44, 62, 80, 0.08);
    --shadow-hover: 0 4px 16px rgba(44, 62, 80, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    padding-bottom: 6rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.actions-bar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .actions-bar {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.search-box {
    flex: 1;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--surface);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color var(--transition);
}

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

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.recipe-card {
    background: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

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

.recipe-card-photo {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--surface);
}

.recipe-card-content {
    padding: 1.25rem;
}

.recipe-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.recipe-card-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.recipe-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.recipe-card-tags {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--surface);
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.empty-state p {
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.btn-secondary {
    background: var(--surface);
    color: var(--text);
}

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

.btn-icon {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.btn-icon:hover {
    background: var(--surface);
}

.btn-danger:hover {
    background: rgba(231, 76, 60, 0.1);
}

.btn-back {
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition);
}

.btn-back:hover {
    color: var(--primary);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--surface);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.photo-upload {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.photo-preview {
    position: relative;
    display: inline-block;
}

.photo-preview img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.photo-preview .btn-icon {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--error);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.voice-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.btn-record, .btn-stop {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-record:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-stop {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.recording-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(231, 76, 60, 0.1);
    border-radius: var(--radius-sm);
}

.pulse {
    width: 12px;
    height: 12px;
    background: var(--error);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.transcript-preview {
    font-size: 0.875rem;
    color: var(--text);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.voice-hint {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.recipe-detail {
    background: var(--background);
    border-radius: var(--radius);
    overflow: hidden;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-actions {
    display: flex;
    gap: 0.5rem;
}

.recipe-hero {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

.recipe-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.recipe-author {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.recipe-meta-detail {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.recipe-section {
    margin-bottom: 2rem;
}

.recipe-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.ingredients-list, .instructions-list {
    list-style: none;
    padding: 0;
}

.ingredients-list li {
    padding: 0.75rem;
    background: var(--surface);
    margin-bottom: 0.5rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--secondary);
}

.instructions-list li {
    counter-increment: step;
    padding: 1rem;
    padding-left: 3rem;
    background: var(--surface);
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
    position: relative;
}

.instructions-list li::before {
    content: counter(step);
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.recipe-story {
    background: linear-gradient(135deg, var(--surface) 0%, rgba(78, 205, 196, 0.05) 100%);
    padding: 1.5rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--secondary);
    font-style: italic;
}

.recipe-tags-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-hover);
    z-index: 1000;
    animation: slideUp 0.3s ease;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--error);
}

.toast.hidden {
    display: none;
}

@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateX(-50%) translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0); 
    }
}

.install-prompt {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 1.5rem;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.install-prompt.hidden {
    display: none;
}

.install-actions {
    display: flex;
    gap: 1rem;
}

.hidden {
    display: none !important;
}

.icon {
    display: inline-flex;
    align-items: center;
}

@media print {
    header, .detail-actions, .btn-back {
        display: none !important;
    }
    
    .recipe-hero {
        max-height: 300px;
    }
    
    body {
        font-size: 12pt;
    }
}