/* Admin Panel CSS */
:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #ef4444;
    --accent-hover: #dc2626;
    --success: #22c55e;
    --warning: #f97316;
    --border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Navigation */
.admin-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.nav-brand i {
    font-size: 1.5rem;
    color: var(--accent);
}

.nav-brand span {
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-links a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-links a.active {
    background: var(--accent);
    color: white;
}

.nav-user {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-user span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Main Content */
main {
    padding: 2rem;
}

main.with-nav {
    margin-left: 260px;
    padding: 2rem 3rem;
}

/* Dashboard */
.dashboard h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dashboard h1 i {
    color: var(--accent);
}

.dashboard .subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.dashboard h2 {
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
    color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Sites Grid */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.site-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.site-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.site-color {
    width: 8px;
    height: 40px;
    border-radius: 4px;
}

.site-info {
    flex: 1;
}

.site-info h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.site-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.site-status {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-status.online {
    color: var(--success);
}

.site-status.offline {
    color: var(--accent);
}

.site-status i {
    font-size: 0.5rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group.checkbox input {
    width: auto;
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--accent);
}

.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    padding: 0 1rem;
    font-size: 0.875rem;
}

.btn-github {
    width: 100%;
    padding: 1rem;
    background: #24292e;
    border: 1px solid #444;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: background 0.2s;
}

.btn-github:hover {
    background: #2f363d;
}