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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #0a0a0f;
    color: #e0e0e0;
    overflow: hidden;
}

#app {
    width: 100vw;
    height: 100vh;
    position: relative;
}

#canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#ui {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none;
}

#ui > * {
    pointer-events: auto;
}

#station-info {
    background: rgba(10, 10, 15, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 16px;
    min-width: 250px;
}

#station-info h1 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #60a5fa;
}

#station-select {
    width: 100%;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 0.9rem;
    cursor: pointer;
}

#station-select:focus {
    outline: none;
    border-color: #60a5fa;
}

#tide-info {
    margin-top: 12px;
    display: flex;
    gap: 16px;
    font-size: 0.9rem;
}

#tide-height {
    color: #34d399;
    font-weight: 500;
}

#tide-trend {
    color: #a0a0a0;
}

#controls {
    background: rgba(10, 10, 15, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

#play-pause {
    padding: 6px 16px;
    background: #60a5fa;
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

#play-pause:hover {
    background: #3b82f6;
}

#status {
    font-size: 0.85rem;
    color: #a0a0a0;
}

/* Loading overlay */
#loading {
    position: absolute;
    inset: 0;
    background: #0a0a0f;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #60a5fa;
}

#loading.hidden {
    display: none;
}