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

:root {
    color-scheme: light;
    --page-bg: #f3f6f4;
    --panel-bg: #ffffff;
    --header-bg: #24332d;
    --header-text: #ffffff;
    --text: #1f2a24;
    --muted-text: #5f6f66;
    --button-bg: #2e6f52;
    --button-bg-hover: #245a43;
    --button-text: #ffffff;
    --accent: #d56f3e;
    --accent-soft: #fff0e8;
    --card-shadow: rgba(31, 42, 36, 0.14);
    --border: rgba(31, 42, 36, 0.14);
}

[data-theme="dark"] {
    color-scheme: dark;
    --page-bg: #101513;
    --panel-bg: #18211d;
    --header-bg: #0b100e;
    --header-text: #f5fbf7;
    --text: #edf4f0;
    --muted-text: #b5c3bb;
    --button-bg: #4ca47b;
    --button-bg-hover: #5db98d;
    --button-text: #08100c;
    --accent: #f0a06b;
    --accent-soft: rgba(240, 160, 107, 0.16);
    --card-shadow: rgba(0, 0, 0, 0.38);
    --border: rgba(237, 244, 240, 0.16);
}

body {
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--page-bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.25s ease, color 0.25s ease;
}

header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 1rem;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.header-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

h1 {
    font-size: clamp(1.4rem, 4vw, 2rem);
    line-height: 1.2;
}

h2 {
    line-height: 1.25;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 2.4rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--header-text);
    cursor: pointer;
    font-weight: 700;
    white-space: nowrap;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.18);
}

main {
    width: min(1040px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.25rem 0 2rem;
}

.weather-selection,
.status-panel,
.recommendation-container,
.contact-section {
    margin-bottom: 1.25rem;
}

.section-heading {
    margin-bottom: 1rem;
}

.section-heading p,
#weather-summary {
    color: var(--muted-text);
}

.region-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.region-btn {
    min-height: 5rem;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    color: var(--text);
    cursor: pointer;
    text-align: left;
    box-shadow: 0 3px 12px var(--card-shadow);
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.25s ease;
}

.region-btn:hover,
.region-btn.active {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.region-btn strong,
.region-btn span {
    display: block;
}

.region-btn strong {
    font-size: 1rem;
}

.region-btn span {
    color: var(--muted-text);
    font-size: 0.9rem;
}

.status-panel {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    box-shadow: 0 4px 16px var(--card-shadow);
}

.status-eyebrow,
.food-tag {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 0.35rem;
    padding: 0.18rem 0.45rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
}

.weather-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(7rem, 1fr));
    gap: 0.6rem;
    min-width: 18rem;
}

.metric {
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--page-bg);
}

.metric span {
    display: block;
    color: var(--muted-text);
    font-size: 0.78rem;
    font-weight: 700;
}

.metric strong {
    display: block;
    font-size: 1.05rem;
}

.recommendation-container h2 {
    margin-bottom: 0.85rem;
}

.food-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
}

.food-card {
    min-height: 9.5rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    box-shadow: 0 4px 16px var(--card-shadow);
    transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.food-card:hover {
    transform: translateY(-3px);
}

.food-card h3 {
    margin-bottom: 0.45rem;
    font-size: 1.05rem;
}

.food-card p {
    color: var(--muted-text);
    font-size: 0.92rem;
}

.contact-section {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel-bg);
    box-shadow: 0 4px 16px var(--card-shadow);
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-row-full {
    grid-column: 1 / -1;
}

.form-row label {
    color: var(--muted-text);
    font-size: 0.9rem;
    font-weight: 800;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--page-bg);
    color: var(--text);
    font: inherit;
    padding: 0.7rem 0.75rem;
}

.form-row textarea {
    min-height: 8.5rem;
    resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    border-color: var(--accent);
    outline: 2px solid var(--accent-soft);
}

.submit-btn {
    justify-self: start;
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
    border: 0;
    border-radius: 8px;
    background: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    font-weight: 800;
}

.submit-btn:hover {
    background: var(--button-bg-hover);
}

.empty-state,
.loading-state,
.error-state {
    display: block;
    padding: 1rem;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--muted-text);
    background: var(--panel-bg);
}

.error-state {
    color: #c84343;
}

@media (max-width: 860px) {
    .region-grid,
    .food-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .status-panel {
        flex-direction: column;
    }

    .weather-metrics {
        min-width: 0;
    }
}

@media (max-width: 520px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .region-grid,
    .food-grid,
    .weather-metrics,
    .contact-form {
        grid-template-columns: 1fr;
    }
}