:root {
    color-scheme: light;
    --color-background: #f6f6f4;
    --color-surface: #ffffff;
    --color-surface-alt: #fafafa;
    --color-border: #e0e0e0;
    --color-border-strong: #d6d6d6;
    --color-border-map: #e5e5e5;
    --color-heading: #222222;
    --color-text-primary: #333333;
    --color-text-secondary: #555555;
    --color-text-muted: #777777;
    --color-link: #0070f3;
    --color-link-hover: #0059c1;
    --color-button-background: #0070f3;
    --color-button-background-hover: #0059c1;
    --color-button-text: #ffffff;
    --color-placeholder-light: #f0f0f0;
    --color-placeholder-dark: #e0e0e0;
    --color-message-success-bg: #e6f4ea;
    --color-message-success-text: #0b7a33;
    --color-error: #e53935;
    --color-input-border: #cccccc;
    --color-input-background: #ffffff;
    --color-input-text: #333333;
    --color-focus-ring: rgba(0, 112, 243, 0.25);
    --shadow-card: 0 8px 20px rgba(0, 0, 0, 0.08);
    --shadow-panel: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-toggle: 0 4px 12px rgba(0, 0, 0, 0.05);
    --color-toggle-bg: #ffffff;
    --color-toggle-border: #d6d6d6;
    --color-toggle-text: #333333;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --color-background: #2e3440;
    --color-surface: #3b4252;
    --color-surface-alt: #252c37;
    --color-border: rgba(236, 239, 244, 0.12);
    --color-border-strong: rgba(236, 239, 244, 0.2);
    --color-border-map: rgba(236, 239, 244, 0.18);
    --color-heading: #eceff4;
    --color-text-primary: #e5e9f0;
    --color-text-secondary: #d8dee9;
    --color-text-muted: #81a1c1;
    --color-link: #88c0d0;
    --color-link-hover: #5e81ac;
    --color-button-background: #81a1c1;
    --color-button-background-hover: #5e81ac;
    --color-button-text: #eceff4;
    --color-placeholder-light: #3b4252;
    --color-placeholder-dark: #434c5e;
    --color-message-success-bg: rgba(163, 190, 140, 0.18);
    --color-message-success-text: #a3be8c;
    --color-error: #bf616a;
    --color-input-border: rgba(236, 239, 244, 0.25);
    --color-input-background: rgba(59, 66, 82, 0.7);
    --color-input-text: #eceff4;
    --color-focus-ring: rgba(136, 192, 208, 0.35);
    --shadow-card: 0 10px 24px rgba(15, 23, 36, 0.6);
    --shadow-panel: 0 12px 32px rgba(15, 23, 36, 0.55);
    --shadow-toggle: 0 10px 28px rgba(94, 129, 172, 0.35);
    --color-toggle-bg: rgba(59, 66, 82, 0.85);
    --color-toggle-border: rgba(236, 239, 244, 0.2);
    --color-toggle-text: #e5e9f0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--color-link);
}

a:hover {
    color: var(--color-link-hover);
}

.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    padding: 1rem;
    margin: 0 auto;
}

.site-header h1 {
    margin: 0;
    font-size: 3rem;
    color: var(--color-heading);
}

.site-header nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-header nav a {
    text-decoration: none;
    font-weight: 600;
}

.site-header nav a:hover {
    text-decoration: underline;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background-color: var(--color-toggle-bg);
    border: 1px solid var(--color-toggle-border);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-toggle-text);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: var(--color-link);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    outline: none;
}

.theme-toggle[aria-pressed="true"] {
    box-shadow: var(--shadow-toggle);
}

.map-section {
    width: 100%;
    height: 420px;
    position: relative;
    padding: 0 1rem;
}

#restaurant-map {
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-border-map);
    border-radius: 12px;
    transition: border-color 0.3s ease;
}

.content-section {
    padding: 2rem 0;
}

.content-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.filters-panel {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.filters-toggle {
    display: none;
    align-self: flex-start;
    margin-bottom: 1rem;
    background-color: var(--color-toggle-bg);
    border: 1px solid var(--color-toggle-border);
    border-radius: 999px;
    padding: 0.5rem 1.1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-toggle-text);
    cursor: pointer;
    box-shadow: var(--shadow-toggle);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.filters-toggle:hover,
.filters-toggle:focus-visible {
    border-color: var(--color-link);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    outline: none;
}

.filter-group {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1rem 1.2rem;
    box-shadow: var(--shadow-panel);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.filter-group h2 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    color: var(--color-heading);
}

.filter-option {
    display: flex;
    align-items: center;
    margin-bottom: 0.55rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.filter-option:last-of-type {
    margin-bottom: 0;
}

.filter-option input {
    margin-right: 0.5rem;
}

.filter-empty {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

main {
    flex: 1;
}

.listing-section {
    flex: 1 1 auto;
    margin: 0;
    padding: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--color-surface);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card .map-link {
    display: block;
}

.card-placeholder {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: repeating-linear-gradient(
        45deg,
        var(--color-placeholder-light),
        var(--color-placeholder-light) 10px,
        var(--color-placeholder-dark) 10px,
        var(--color-placeholder-dark) 20px
    );
    color: var(--color-text-muted);
    font-weight: 600;
}

.card-body {
    padding: 1rem;
}

.card-body h2 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
    color: var(--color-heading);
}

.card-body p {
    margin: 0 0 0.4rem;
    color: var(--color-text-secondary);
}

.card-body a {
    text-decoration: none;
    font-weight: 600;
}

.card-body .links {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.6rem;
}

.card-body a:hover {
    text-decoration: underline;
}

#load-sentinel {
    width: 100%;
    height: 1px;
}

.suggestion-form {
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem 3rem;
}

.suggestion-form h2 {
    margin-top: 0;
    color: var(--color-heading);
}

.form-field {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.captcha-field {
    align-items: center;
}

.captcha-field .g-recaptcha {
    margin: 0 auto;
}

.form-field label {
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-field input,
.form-field textarea {
    padding: 0.7rem;
    border: 1px solid var(--color-input-border);
    border-radius: 6px;
    font-size: 1rem;
    background-color: var(--color-input-background);
    color: var(--color-input-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--color-link);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    outline: none;
}

.form-field.has-error input,
.form-field.has-error textarea {
    border-color: var(--color-error);
}

.error {
    margin-top: 0.4rem;
    color: var(--color-error);
    font-size: 0.9rem;
}

button[type="submit"] {
    background-color: var(--color-button-background);
    color: var(--color-button-text);
    border: none;
    padding: 0.9rem 1.6rem;
    font-size: 1rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

button[type="submit"]:hover {
    background-color: var(--color-button-background-hover);
}

.messages {
    max-width: 1100px;
    margin: 1rem auto;
    padding: 0 1rem;
}

.message {
    padding: 0.9rem 1.2rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.message-success {
    background-color: var(--color-message-success-bg);
    border-color: transparent;
    color: var(--color-message-success-text);
}

.empty-message {
    margin: 1.5rem 0 0;
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-muted);
}

.site-footer {
    background-color: var(--color-surface-alt);
    border-top: 1px solid var(--color-border);
    padding: 0.75rem 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-footer .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.site-footer a {
    text-decoration: none;
    font-weight: 600;
}

.site-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .site-header nav {
        margin-top: 0.25rem;
        flex-wrap: wrap;
    }

    .map-section {
        height: 340px;
        padding: 0;
    }

    .content-wrapper {
        flex-direction: column;
    }

    .filters-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

    .filters-panel {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 1rem;
    }

    .filters-panel.is-open {
        display: flex;
    }

    .filter-group {
        width: 100%;
    }

    .listing-section {
        width: 100%;
    }

    .grid {
        grid-template-columns: minmax(0, 1fr);
    }
}