/* Lake Zurich Weather - Rowing Forecast */
/* No external dependencies - using system fonts for privacy and performance */

:root {
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-alt: #16213e;
    --border: #2d2d4a;
    --text: #e4e4e7;
    --text-dim: #9ca3af;
    --accent-blue: #3b82f6;
    --accent-cyan: #22d3ee;
    --accent-green: #22c55e;
    --accent-yellow: #eab308;
    --accent-orange: #f97316;
    --accent-red: #ef4444;
    
    /* System font stacks - no external requests */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", "Ubuntu Mono", "Roboto Mono", Menlo, Monaco, Consolas, monospace;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Controls */
.controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

select {
    background: var(--bg-card-alt);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    min-width: 180px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select:hover {
    border-color: var(--accent-blue);
}

select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

button {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    min-width: 140px;
}

button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Results Grid - Stacked layout for better readability */
.results-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Panels */
.data-panel, .graph-panel {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 1.5rem;
}

/* Data panel uses grid for summary/recommendations on larger screens */
.data-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.data-panel section {
    margin-bottom: 0;
}

/* Two-column layout for summary and recommendations on larger screens */
.summary-recommendations-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .summary-recommendations-row {
        grid-template-columns: 1fr;
    }
}

.date-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-card-alt);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.date-header span:first-child {
    font-size: 1.1rem;
}

.date-header span:last-child {
    color: var(--accent-cyan);
}

section {
    margin-bottom: 1.5rem;
}

section:last-child {
    margin-bottom: 0;
}

section h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

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

th {
    font-weight: 600;
    color: var(--text-dim);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-card-alt);
}

th:first-child {
    border-radius: 8px 0 0 0;
}

th:last-child {
    border-radius: 0 8px 0 0;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

.wind-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-green);
}

.direction {
    font-family: var(--font-mono);
    color: var(--accent-yellow);
}

.error-cell {
    color: var(--accent-red);
    font-style: italic;
}

/* Live Section */
.live-table {
    background: var(--bg-card-alt);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--accent-yellow);
    border-opacity: 0.3;
}

.live-table h2 {
    color: var(--accent-yellow);
}

.live-subtitle {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: -0.75rem;
    margin-bottom: 1rem;
}

/* Summary Panel */
.summary-panel {
    background: var(--bg-card-alt);
    padding: 1rem 1.5rem;
    border-radius: 8px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item .label {
    color: var(--text-dim);
}

.summary-item .value {
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Recommendations */
.recommendations {
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.1), rgba(249, 115, 22, 0.1));
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.recommendations h2 {
    color: var(--accent-yellow);
}

.recommendations ul {
    list-style: none;
}

.recommendations li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(234, 179, 8, 0.2);
    font-size: 0.95rem;
}

.recommendations li:last-child {
    border-bottom: none;
}

/* Graph Panel */
.graph-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.graph-panel h2 {
    margin-bottom: 1rem;
}

#graph-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card-alt);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
}

#weather-graph {
    width: 100%;
    max-width: 1200px;
    height: auto;
    border-radius: 4px;
}

/* On larger screens, center the graph */
@media (min-width: 1400px) {
    #graph-container {
        padding: 1.5rem;
    }
}

/* Loading */
#loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    gap: 1.5rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#loading p {
    color: var(--text-dim);
    font-size: 1rem;
}

/* Error */
#error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-red);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.error-message {
    color: var(--accent-red);
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

footer .privacy-note {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--accent-green);
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0.75rem;
    }

    header {
        margin-bottom: 1rem;
        padding-bottom: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0.75rem;
    }

    select, button {
        width: 100%;
    }

    .data-panel, .graph-panel {
        padding: 1rem;
    }

    .date-header {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
        padding: 0.75rem 1rem;
    }

    section h2 {
        font-size: 0.9rem;
    }

    /* Responsive table - horizontal scroll on small screens */
    .forecast-table, .live-table {
        overflow-x: auto;
    }

    table {
        font-size: 0.75rem;
        min-width: 500px;
    }

    th, td {
        padding: 0.5rem 0.4rem;
        white-space: nowrap;
    }

    .summary-panel, .recommendations {
        padding: 0.75rem 1rem;
    }

    .summary-item {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.75rem 0;
    }

    .summary-item .label {
        font-size: 0.8rem;
    }

    .summary-item .value {
        font-size: 0.95rem;
    }

    .recommendations li {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* Graph adjustments for mobile */
    #graph-container {
        padding: 0.5rem;
    }

    #weather-graph {
        min-width: 600px;
    }

    footer {
        margin-top: 2rem;
        padding-top: 1rem;
        font-size: 0.75rem;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }

    header h1 {
        font-size: 1.25rem;
    }

    .controls {
        padding: 0.75rem;
    }

    .data-panel, .graph-panel {
        padding: 0.75rem;
        border-radius: 8px;
    }

    table {
        font-size: 0.7rem;
    }

    th, td {
        padding: 0.4rem 0.3rem;
    }
}