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

.tide-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tide-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.tide-box {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border-radius: 16px;
    padding: 2rem;
    color: white;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.tide-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.current-tide-info {
    text-align: center;
    padding-right: 2rem;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tide-height-value {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
}

.tide-unit {
    font-size: 1.5rem;
    opacity: 0.8;
}

.tide-state-text {
    font-size: 1.5rem;
    margin-top: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.upcoming-tides-list {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.upcoming-tide-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    flex: 1;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tide-time {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tide-day {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.tide-type {
    font-size: 0.9rem;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: 0.25rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.tide-prediction-height {
    font-size: 1.5rem;
    font-weight: 700;
}

.tide-graph-container {
    margin-top: 3rem;
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    height: 400px;
}

.tide-graph-header {
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
    color: #2c3e50;
}

@media (max-width: 768px) {
    .tide-grid {
        grid-template-columns: 1fr;
    }
    .current-tide-info {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding-right: 0;
        padding-bottom: 2rem;
        margin-bottom: 2rem;
    }
    .upcoming-tides-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .tide-graph-container {
        height: 300px;
        padding: 1rem;
    }
}