body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-chip {
    background: #eef2ff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
}

.user-chip a {
    margin-left: 10px;
    color: #1d4ed8;
    text-decoration: none;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
}

.scroll-card {
    overflow-x: auto;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.nav-card {
    text-align: center;
    font-weight: bold;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

label {
    font-weight: 600;
    margin-bottom: 5px;
}

input, select {
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
}

input[type="date"] {
    font-family: inherit;
    font-size: 16px;
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

button {
    background: #2563eb;
    color: #fff;
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.flash-messages {
    list-style: none;
    padding: 0;
}

.flash {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.flash-success { background: #dcfce7; color: #14532d; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef9c3; color: #713f12; }
.flash-info { background: #e0f2fe; color: #075985; }

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
}

.result-card strong {
    font-size: 20px;
}