:root {
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #2c3e50;
    --accent-color: #3498db;
    --danger-color: #e74c3c;
    --border-radius: 12px;
    --shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.dark-theme {
    --bg-color: #1a1a2e;
    --card-bg: #16213e;
    --text-color: #e94560;
    --accent-color: #0f3460;
    --danger-color: #ff4d4d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: all 0.3s ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.logo-area h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 1px;
}

.logo-area span {
    color: var(--accent-color);
    font-weight: 800;
}

.search-box {
    margin-bottom: 30px;
}

.input-group {
    display: flex;
    gap: 10px;
}

input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    outline: none;
}

button {
    padding: 15px 25px;
    border: none;
    border-radius: var(--border-radius);
    background: var(--accent-color);
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s;
}

button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.wide-card {
    grid-column: span 2;
}

.phys-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.m-item {
    display: flex;
    flex-direction: column;
    padding: 10px;
    background: rgba(0,0,0,0.02);
    border-radius: 8px;
}

.value {
    font-size: 22px;
    color: var(--accent-color);
}

.warn-box {
    margin-top: 20px;
}

.warn-badge {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    padding: 8px;
    border-radius: 6px;
    margin-bottom: 5px;
    font-size: 14px;
    border-left: 4px solid var(--danger-color);
}

.canvas-container {
    height: 250px;
    position: relative;
}

.canvas-container-wide {
    height: 300px;
    width: 100%;
}

.history-grid {
    display: flex;
    overflow-x: auto;
    gap: 15px;
    padding: 10px 0;
}

.history-item {
    min-width: 150px;
    background: rgba(0,0,0,0.03);
    padding: 10px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .wide-card {
        grid-column: span 1;
    }
}