/* Simple, clean styling for link shortener admin */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.container-small {
    max-width: 500px;
}

header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

h1 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 10px;
}

h2 {
    color: #34495e;
    font-size: 22px;
    margin-bottom: 15px;
}

nav {
    margin-top: 15px;
}

nav a {
    color: #3498db;
    text-decoration: none;
    margin-right: 20px;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="datetime-local"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
input[type="datetime-local"]:focus,
select:focus {
    outline: none;
    border-color: #3498db;
}

input[type="checkbox"] {
    margin-right: 8px;
}

.checkbox-label {
    display: inline;
    font-weight: normal;
}

button,
.btn {
    background: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}

button:hover,
.btn:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

/* Messages */
.message {
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-weight: 500;
}

.message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th {
    background: #34495e;
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
}

tr:hover {
    background: #f9f9f9;
}

.table-actions {
    white-space: nowrap;
}

.table-actions a {
    margin-right: 10px;
    font-size: 13px;
}

/* Status badges */
.status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-inactive {
    background: #f8d7da;
    color: #721c24;
}

.status-expired {
    background: #fff3cd;
    color: #856404;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #ecf0f1;
    padding: 20px;
    border-radius: 6px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: #2c3e50;
}

.stat-label {
    font-size: 14px;
    color: #7f8c8d;
    margin-top: 5px;
}

/* QR Code */
.qr-code {
    text-align: center;
    margin: 20px 0;
}

.qr-code img {
    border: 10px solid white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Utility classes */
.text-muted {
    color: #7f8c8d;
    font-size: 14px;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.url-display {
    background: #ecf0f1;
    padding: 10px;
    border-radius: 4px;
    word-break: break-all;
    font-family: monospace;
    font-size: 14px;
}

.copy-btn {
    margin-left: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 8px;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}