:root {
    --bg: #0A0A0A;
    --surface: #1A1A1A;
    --surface-hover: #242424;
    --border: #2A2A2A;
    --text: #F5F5F5;
    --text-muted: #999;
    --accent: #FF8000;
    --accent-hover: #E67300;
    --danger: #E53935;
    --success: #43A047;
    --radius: 12px;
    --transition: 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 24px;
}

.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 20px;
    margin-bottom: 24px;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: rgba(255, 128, 0, 0.1);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #C62828;
}

.toggle-link {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(229, 57, 53, 0.15);
    border: 1px solid var(--danger);
    color: #EF9A9A;
}

.alert-success {
    background: rgba(67, 160, 71, 0.15);
    border: 1px solid var(--success);
    color: #A5D6A7;
}

.hidden { display: none; }

/* Dashboard styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header h1 { font-size: 22px; }

.header .user-email {
    font-size: 13px;
    color: var(--text-muted);
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: rgba(67, 160, 71, 0.2);
    color: var(--success);
}

.status-demo {
    background: rgba(255, 128, 0, 0.2);
    color: var(--accent);
}

.status-inactive {
    background: rgba(229, 57, 53, 0.2);
    color: var(--danger);
}

.peer-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

.peer-card .peer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.peer-card .peer-name {
    font-weight: 600;
    font-size: 16px;
}

.peer-card .peer-region {
    font-size: 13px;
    color: var(--text-muted);
}

.peer-card .qr-container {
    text-align: center;
    margin: 16px 0;
}

.peer-card .qr-container img {
    max-width: 200px;
    border-radius: 8px;
    background: #fff;
    padding: 8px;
}

.peer-actions {
    display: flex;
    gap: 12px;
}

.peer-actions .btn {
    width: auto;
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state p {
    margin-bottom: 24px;
    font-size: 15px;
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.logout-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px 8px;
}

.logout-btn:hover { color: var(--danger); }