/* AgriWatch -- Earth-tone agricultural theme */

:root {
    --green-dark: #2d5a27;
    --green-medium: #4a7c59;
    --green-light: #7fb069;
    --green-pale: #c5ddb8;
    --brown-dark: #5c3d2e;
    --brown-medium: #8b6f47;
    --brown-light: #c4a882;
    --brown-pale: #e0d5c1;
    --soil: #6b4423;
    --wheat: #daa520;
    --sky: #87ceeb;
    --sun: #f4a460;
    --bg-primary: #f5f0e8;
    --bg-card: #ffffff;
    --bg-dark: #2d3a2e;
    --text-primary: #2c2c2c;
    --text-secondary: #5a5a5a;
    --text-light: #f5f0e8;
    --border: #d4c9b8;
    --shadow: rgba(44, 58, 30, 0.12);
    --radius: 8px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background: var(--bg-dark);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    box-shadow: 0 2px 8px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon { font-size: 1.6rem; }
.nav-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--green-pale);
    letter-spacing: 0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 0.25rem;
}

.nav-links a {
    color: var(--brown-pale);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.9rem;
    transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--green-medium);
    color: #fff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Stats row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 6px var(--shadow);
    border-left: 4px solid var(--green-medium);
}

.stat-icon { font-size: 2rem; }
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--green-dark);
    display: block;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Dashboard & page headers */
.dashboard-header, .page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.dashboard-header h1, .page-header h1 {
    color: var(--green-dark);
    font-size: 1.8rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Section */
.dashboard-section {
    margin-bottom: 2.5rem;
}

.dashboard-section h2 {
    color: var(--brown-dark);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--brown-pale);
}

/* Field cards */
.field-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.field-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
    border-top: 3px solid var(--green-medium);
}

.field-card-header {
    padding: 1rem 1.25rem 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.field-card-header h3 {
    color: var(--green-dark);
    font-size: 1.1rem;
}

.field-card-body { padding: 0.5rem 1.25rem; }

.field-card-actions {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
}

.field-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.prediction-mini {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 0.5rem;
}

.yield-value {
    font-weight: 600;
    color: var(--green-dark);
}

/* Badges */
.crop-badge {
    background: var(--green-pale);
    color: var(--green-dark);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
}

.stage-badge {
    background: var(--brown-pale);
    color: var(--brown-dark);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.size-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

/* Health gauge */
.health-gauge {
    background: var(--brown-pale);
    border-radius: 10px;
    height: 22px;
    position: relative;
    overflow: hidden;
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(90deg, #c0392b, var(--wheat), var(--green-light));
    border-radius: 10px;
    transition: width 0.5s ease;
}

.gauge-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Gauge widgets */
.sensor-gauges {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.gauge-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 6px var(--shadow);
}

.gauge-card h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.gauge-widget { margin-bottom: 0.5rem; }

.gauge-arc { position: relative; width: 120px; margin: 0 auto; }
.gauge-svg { width: 100%; height: auto; }
.gauge-reading {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green-dark);
}

.gauge-type {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gauge-field-name {
    display: block;
    font-size: 0.7rem;
    color: var(--brown-medium);
    margin-top: 0.2rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), transform 0.1s;
    background: var(--green-pale);
    color: var(--green-dark);
}

.btn:hover { background: var(--green-light); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--green-medium); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }

.btn-secondary { background: var(--brown-pale); color: var(--brown-dark); }
.btn-secondary:hover { background: var(--brown-light); }

.btn-danger { background: #e74c3c; color: #fff; }
.btn-danger:hover { background: #c0392b; }

.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.8rem; }

/* Data table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 6px var(--shadow);
}

.data-table th {
    background: var(--green-dark);
    color: var(--text-light);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
}

.data-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.data-table tr:hover { background: var(--bg-primary); }

.action-cell { white-space: nowrap; }
.action-cell .btn { margin-right: 0.25rem; }

.fields-table-container { overflow-x: auto; }

/* Chart container */
.chart-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 2px 6px var(--shadow);
}

.chart-controls {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.chart-controls select {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    background: var(--bg-card);
}

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem; right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-medium);
    box-shadow: 0 0 0 2px var(--green-pale);
}

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

/* Prediction cards */
.prediction-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: 2rem;
    overflow: hidden;
    border-left: 4px solid var(--green-medium);
}

.prediction-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.prediction-header h2 {
    color: var(--green-dark);
    font-size: 1.2rem;
    border: none;
    padding: 0;
    margin: 0;
}

.prediction-body { padding: 1.5rem; }
.prediction-empty { padding: 2rem; text-align: center; color: var(--text-secondary); }

.prediction-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    text-align: center;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius);
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.metric-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green-dark);
}

/* Growth progress bar */
.growth-progress { margin-bottom: 1.5rem; }
.growth-progress h3 {
    font-size: 1rem;
    color: var(--brown-dark);
    margin-bottom: 0.75rem;
}

.stage-bar {
    display: flex;
    gap: 0;
    align-items: center;
}

.stage-segment {
    flex: 1;
    text-align: center;
    position: relative;
    padding-top: 1.5rem;
}

.stage-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--brown-pale);
    border: 2px solid var(--border);
    display: block;
    margin: 0 auto 0.3rem;
    position: relative;
    z-index: 1;
}

.stage-segment.completed .stage-dot {
    background: var(--green-medium);
    border-color: var(--green-dark);
}

.stage-segment.current .stage-dot {
    background: var(--wheat);
    border-color: var(--sun);
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.3);
}

.stage-name {
    font-size: 0.65rem;
    color: var(--text-secondary);
    display: block;
}

.stage-segment.current .stage-name { color: var(--brown-dark); font-weight: 600; }

/* Field zone grid */
.field-zone-map h3 {
    font-size: 1rem;
    color: var(--brown-dark);
    margin-bottom: 0.75rem;
}

.zone-grid {
    display: grid;
    gap: 3px;
    max-width: 400px;
}

.zone-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    cursor: default;
    min-height: 50px;
}

/* Alerts */
.alerts-list { max-height: 300px; overflow-y: auto; }

.alert-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    border-left: 3px solid #e74c3c;
    box-shadow: 0 1px 3px var(--shadow);
}

.alert-icon { font-size: 1.2rem; }
.alert-message { flex: 1; font-size: 0.85rem; }
.alert-time { font-size: 0.75rem; color: var(--text-secondary); white-space: nowrap; }

.loading { text-align: center; color: var(--text-secondary); padding: 1rem; }

/* About page */
.about-page { max-width: 800px; }

.about-section {
    margin-bottom: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 2px 6px var(--shadow);
}

.about-section h2 {
    color: var(--green-dark);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--green-pale);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

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

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.tech-item {
    text-align: center;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius);
}

.tech-item strong { display: block; color: var(--green-dark); margin-bottom: 0.25rem; }
.tech-item span { font-size: 0.85rem; color: var(--text-secondary); }

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar { padding: 0 1rem; flex-wrap: wrap; height: auto; padding: 0.75rem 1rem; }
    .nav-links { gap: 0; flex-wrap: wrap; }
    .container { padding: 1rem; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .field-cards { grid-template-columns: 1fr; }
    .prediction-metrics { grid-template-columns: repeat(2, 1fr); }
    .form-row { flex-direction: column; gap: 0; }
    .stage-name { font-size: 0.55rem; }
}