/*
Theme Name: Jídlo
Theme URI:
Description: Osobní katalog potravin s nutričními hodnotami
Version: 1.0.0
Author: Josef Hak
Text Domain: jidlo
*/

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-text: #212529;
    --color-muted: #6c757d;
    --color-primary: #2d6a4f;
    --color-primary-light: #40916c;
    --color-border: #dee2e6;
    --color-accent: #e9ecef;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-light); }
img { max-width: 100%; height: auto; display: block; }

/* === Layout === */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.site-header nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.site-header nav a {
    font-size: 0.9rem;
    font-weight: 500;
}

.site-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-muted);
    font-size: 0.85rem;
}

/* === Catalog === */
.catalog-header {
    margin-bottom: 1.5rem;
}

.catalog-header h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.catalog-search {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.catalog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.filter-pill {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-surface);
    cursor: pointer;
    transition: all 0.15s;
}

.filter-pill:hover,
.filter-pill.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.catalog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}

/* === Food Card === */
.food-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.15s, box-shadow 0.15s;
}

.food-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.food-card a {
    color: inherit;
    display: block;
}

.food-card-image {
    aspect-ratio: 1;
    background: var(--color-accent);
    overflow: hidden;
}

.food-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.food-card-body {
    padding: 0.75rem;
}

.food-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.food-card-brand {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

.food-card-macros {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    text-align: center;
    font-size: 0.75rem;
}

.macro-value {
    font-weight: 700;
    font-size: 0.9rem;
    display: block;
}

.macro-label {
    color: var(--color-muted);
    display: block;
}

/* === Single Food Detail === */
.food-detail {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.food-detail-image {
    max-height: 400px;
    overflow: hidden;
}

.food-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.food-detail-body {
    padding: 1.5rem;
}

.food-detail-title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.food-detail-brand {
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.food-detail-category {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    background: var(--color-accent);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.food-detail-notes {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.food-detail-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

/* === Nutrition Table === */
.nutrition-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.nutrition-table caption {
    text-align: left;
    font-weight: 700;
    font-size: 1rem;
    padding-bottom: 0.5rem;
}

.nutrition-table th,
.nutrition-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

.nutrition-table th {
    font-weight: 500;
}

.nutrition-table td {
    text-align: right;
    font-weight: 600;
    white-space: nowrap;
}

.nutrition-table tr.sub th {
    padding-left: 1.5rem;
    color: var(--color-muted);
    font-weight: 400;
}

/* === Food Form === */
.food-form {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.food-form h1 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.form-group label.sub {
    padding-left: 1rem;
    color: var(--color-muted);
    font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    min-height: 44px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input[type="number"] {
    width: 120px;
}

.form-group .unit {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-left: 0.3rem;
}

.form-section-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.photo-preview {
    max-width: 200px;
    margin-top: 0.5rem;
    border-radius: var(--radius);
    display: none;
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    min-height: 44px;
    transition: background 0.15s;
}

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

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.form-message {
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

/* === Login Form === */
.login-prompt {
    text-align: center;
    padding: 3rem 1rem;
}

.login-prompt h2 {
    margin-bottom: 1rem;
}

.login-prompt .login-form {
    max-width: 320px;
    margin: 0 auto;
    text-align: left;
}

.login-prompt .login-form label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 500;
}

.login-prompt .login-form input[type="text"],
.login-prompt .login-form input[type="password"] {
    width: 100%;
    padding: 0.7rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    min-height: 44px;
}

.login-prompt .login-form input[type="submit"] {
    width: 100%;
    padding: 0.7rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    min-height: 44px;
}

/* === FAB (Floating Action Button) === */
.fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    z-index: 50;
    text-decoration: none;
    line-height: 1;
}

.fab:hover {
    background: var(--color-primary-light);
    color: white;
    transform: scale(1.05);
}

/* === 404 === */
.not-found {
    text-align: center;
    padding: 4rem 1rem;
}

.not-found h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* === Back link === */
.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}