:root {
    --bg-color: #f4f7f6;
    --text-color: #333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --arrived-bg: #e6f4ea;
    --arrived-text: #137333;
    --transit-bg: #fef7e0;
    --transit-text: #b06000;
    --primary: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Header & Next Ship Card */
header {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    color: var(--primary);
    margin-bottom: 10px;
}

.next-ship-card {
    background-color: var(--primary);
    color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: inline-block;
    min-width: 300px;
}

.next-ship-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #aebfd1;
}

#next-ship-info {
    font-size: 1.4em;
}

/* Table Styling */
main {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.table-header h2 {
    margin: 0;
    color: var(--primary);
}

.refresh-badge {
    background-color: #e8f0fe;
    color: #1a73e8;
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--primary);
}

tr:hover {
    background-color: #fcfcfc;
}

.text-center {
    text-align: center;
}

.ship-name {
    font-weight: 600;
}

/* Status Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.85em;
    font-weight: bold;
    display: inline-block;
}

.status-arrived {
    background-color: var(--arrived-bg);
    color: var(--arrived-text);
}

.status-transit {
    background-color: var(--transit-bg);
    color: var(--transit-text);
}