:root {
    --primary: #0b2a5b;
    --primary-dark: #081f45;
    --accent: #d4a017;
    --accent-dark: #b88a12;

    --bg: #f5f7fb;
    --card: #ffffff;

    --text: #1a1a1a;
    --muted: #6b7280;

    --border: #e5e7eb;
}

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

body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* Page container */
.page {
    max-width: 1000px;
    margin: auto;
    padding: 20px;
}

/* Header with logo */
.header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-bottom: 4px solid var(--accent);
}

.header img {
    height: 50px;
}

.header h1 {
    font-size: 24px;
    color: var(--primary);
}

/* Hero bar */
.hero {
    background: var(--primary);
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
}

.hero p {
    color: #dbeafe;
}

/* Card */
.card {
    background: var(--card);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* Form */
.form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

input[type="text"] {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 16px;
}

/* Button */
button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

button:hover {
    background: var(--accent-dark);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    overflow: hidden;
    border-radius: 8px;
}

thead {
    background: var(--accent);
    color: white;
}

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

tbody tr:hover {
    background: #f9fafb;
}

/* Alerts */
.alert {
    background: #ffe4e6;
    border: 1px solid #fda4af;
    padding: 10px;
    border-radius: 8px;
    margin-top: 10px;
}

.success {
    background: #dcfce7;
    border: 1px solid #86efac;
    padding: 10px;
    border-radius: 8px;
    margin-top: 10px;
}

/* Footer */
.footer {
    margin-top: 20px;
    text-align: center;
    color: var(--muted);
}

/* Responsive */
@media (max-width: 600px) {
    .header {
        flex-direction: column;
        text-align: center;
    }

    .row {
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    table {
        font-size: 14px;
    }
}