* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2937;
}

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-box {
    width: 380px;
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
}

button,
.btn {
    display: inline-block;
    background: #ea7425;
    color: #ffffff;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    margin-top: 15px;
    cursor: pointer;
    text-decoration: none;
}

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    background: #111827;
    color: #ffffff;
    padding: 20px;
}

.sidebar h2 {
    margin-top: 0;
}

.sidebar a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    padding: 12px 8px;
    border-radius: 8px;
}

.sidebar a:hover {
    background: #1f2937;
}

.content {
    margin-left: 260px;
    padding: 30px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.card {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.card h3 {
    margin-top: 0;
    color: #6b7280;
}

.card p {
    font-size: 24px;
    font-weight: bold;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 12px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
}

.table th {
    background: #f9fafb;
}