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

:root {
    --black: #0a0a0a;
    --dark: #111111;
    --card: #1a1a1a;
    --border: #2a2a2a;
    --muted: #666666;
    --text: #e0e0e0;
    --white: #f5f5f5;
    --red: #ff2d2d;
    --red-glow: rgba(255, 45, 45, 0.15);
    --red-dim: rgba(255, 45, 45, 0.08);
    --amber: #ffaa00;
    --green: #00ff66;
    --radius: 10px;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--black);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

.mono { font-family: 'JetBrains Mono', monospace; }
.accent { color: var(--red); }

/* ---- Top bar ---- */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo {
    font-weight: 700;
    font-size: 1.15rem;
    text-decoration: none;
    color: var(--white);
    letter-spacing: -0.02em;
}

.weather-mini {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--muted);
}

.weather-mini .da-val {
    color: var(--amber);
    font-weight: 500;
}

.weather-loading {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ---- Weather banner ---- */
.weather-banner {
    padding: 0.8rem 1rem;
    background: var(--dark);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.weather-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    text-align: center;
}

.weather-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.weather-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
}

.weather-label {
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.da-highlight .weather-value {
    color: var(--amber);
    font-weight: 600;
    font-size: 1.1rem;
}

.weather-refresh {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 28px;
    height: 28px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--muted);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.weather-refresh:hover {
    color: var(--white);
    border-color: var(--muted);
}

.weather-refresh.spinning {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ---- Main content ---- */
.main {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem;
}

/* ---- Run form ---- */
.run-form {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.25rem;
}

.form-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
}

.form-date {
    font-size: 0.7rem;
    color: var(--muted);
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.input-group {
    position: relative;
}

.input-group.primary {
    grid-column: 1 / -1;
}

.input-group label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
}

.input-group input {
    width: 100%;
    padding: 0.7rem 2.5rem 0.7rem 0.75rem;
    background: var(--black);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

.input-group input::-webkit-inner-spin-button,
.input-group input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-group input:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-dim);
}

.input-group input::placeholder {
    color: #333;
}

.primary input {
    font-size: 1.5rem;
    padding: 0.85rem 2.5rem 0.85rem 0.75rem;
    border-color: var(--border);
}

.primary input:focus {
    border-color: var(--red);
}

.input-unit {
    position: absolute;
    right: 0.75rem;
    bottom: 0.75rem;
    font-size: 0.65rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    pointer-events: none;
}

.primary .input-unit {
    bottom: 1rem;
}

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

.notes-group label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
}

.notes-group textarea {
    width: 100%;
    padding: 0.65rem 0.75rem;
    background: var(--black);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    min-height: 52px;
}

.notes-group textarea:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-dim);
}

.notes-group textarea::placeholder {
    color: #444;
}

.btn-log {
    width: 100%;
    padding: 0.85rem;
    background: var(--red);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-log:hover {
    background: #e02020;
    box-shadow: 0 0 30px var(--red-glow);
}

.btn-log:active {
    transform: scale(0.98);
}

.btn-log:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---- Runs section ---- */
.runs-section {
    margin-bottom: 2rem;
}

.runs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.runs-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.btn-stats {
    padding: 0.3rem 0.8rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--muted);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-stats:hover { color: var(--white); border-color: var(--muted); }
.btn-stats.active { color: var(--amber); border-color: var(--amber); }

/* ---- Stats panel ---- */
.stats-panel {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.stat-val {
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
}

.stat-lbl {
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ---- Run cards ---- */
.runs-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.run-card {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    transition: border-color 0.2s;
    position: relative;
}

.run-card:hover { border-color: #333; }

.run-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.run-et {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--white);
}

.run-et .et-unit {
    font-size: 0.65rem;
    color: var(--muted);
    margin-left: 0.3rem;
    font-weight: 400;
}

.run-meta {
    font-size: 0.7rem;
    color: var(--muted);
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
}

.run-details {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.run-detail {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.run-detail-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text);
}

.run-detail-lbl {
    font-size: 0.55rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.run-notes {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
    font-style: italic;
}

.run-weather {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--muted);
}

.run-weather .da { color: var(--amber); }

.run-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    color: var(--border);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    opacity: 0;
    transition: all 0.2s;
}

.run-card:hover .run-delete { opacity: 1; }
.run-delete:hover { color: var(--red); background: var(--red-dim); }

/* ---- Empty state ---- */
.runs-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
}

.runs-empty p {
    font-size: 0.9rem;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.6rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--white);
    z-index: 200;
    transition: bottom 0.3s ease;
    white-space: nowrap;
}

.toast.show { bottom: 1.5rem; }
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .weather-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.4rem;
    }

    .weather-grid .weather-item:nth-child(4),
    .weather-grid .weather-item:nth-child(5) {
        /* DA and Wind wrap to second row */
    }

    .run-details {
        grid-template-columns: repeat(2, 1fr);
    }

    .input-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 360px) {
    .main { padding: 0.75rem; }
    .run-form { padding: 1rem; }
}

/* ---- Haptic-style button feedback ---- */
@media (hover: none) {
    .btn-log:active {
        transform: scale(0.96);
    }

    .run-delete {
        opacity: 0.5;
    }
}