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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background: #2c3e50;
    color: #fff;
    padding: 0;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
}

header h1 {
    font-size: 1.3rem;
    font-weight: 600;
}

header h1 a {
    color: #fff;
    text-decoration: none;
}

.company-switcher select {
    padding: 6px 12px;
    border: 1px solid #4a6785;
    border-radius: 4px;
    background: #34495e;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
}

nav {
    display: flex;
    gap: 0;
    background: #34495e;
    padding: 0 24px;
}

nav a {
    color: #bdc3c7;
    text-decoration: none;
    padding: 10px 16px;
    font-size: 0.9rem;
    border-bottom: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

nav a:hover {
    color: #fff;
}

nav a.active {
    color: #fff;
    border-bottom-color: #3498db;
}

main {
    max-width: 960px;
    margin: 24px auto;
    padding: 0 16px;
}

footer {
    text-align: center;
    padding: 16px;
    color: #999;
    font-size: 0.8rem;
    margin-top: 40px;
}

h2 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: #2c3e50;
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #34495e;
}

.card {
    background: #fff;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 6px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card .label {
    font-size: 0.8rem;
    color: #7f8c8d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

th, td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    font-size: 0.85rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

td {
    font-size: 0.9rem;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: #f8f9fa;
}

form.inline {
    display: inline;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.85rem;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.15);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0 24px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.85;
}

.btn-primary {
    background: #3498db;
    color: #fff;
}

.btn-success {
    background: #27ae60;
    color: #fff;
}

.btn-danger {
    background: #e74c3c;
    color: #fff;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-success {
    background: #d5f5e3;
    color: #1e8449;
    border: 1px solid #a9dfbf;
}

.alert-error {
    background: #fadbd8;
    color: #c0392b;
    border: 1px solid #f1948a;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-active {
    background: #d5f5e3;
    color: #27ae60;
}

.badge-inactive {
    background: #fadbd8;
    color: #e74c3c;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.mb-16 {
    margin-bottom: 16px;
}