:root {
    --ocean-blue: #0077be;
    --ocean-dark: #004d7a;
    --sea-foam: #7dd3c0;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--ocean-blue), var(--ocean-dark));
}

/* Vessel Cards */
.vessel-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.vessel-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

/* Vessel Images */
.vessel-image-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #f3f4f6;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.vessel-image {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: none;
    display: block;
    transition: transform 0.3s;
}

.vessel-card:hover .vessel-image {
    transform: scale(1.05);
}

.vessel-image-placeholder {
    width: 100%;
    height: 200px;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
}

/* Ensure consistent card heights */
.vessel-card {
    display: flex;
    flex-direction: column;
}

.vessel-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Vessel Details */
.vessel-details {
    font-size: 0.9rem;
    flex: 1;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item .label {
    color: #6b7280;
    font-weight: 500;
}

.detail-item .value {
    color: #1f2937;
    font-weight: 600;
}

/* Filter Section */
.form-label {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .vessel-image-container,
    .vessel-image-placeholder {
        height: 200px;
    }
}