:root {
    /* UI Theme based on strict deep blue and purple */
    --primary: #9b7bff; 
    --primary-hover: #8361f9;
    --secondary: #2B3356;
    --secondary-hover: #3a446e;
    --danger: #e74c3c;
    --success: #2ecc71;
    
    --bg-color-dark: #101222; 
    --card-bg-dark: #1A1D36; 
    --text-dark: #ffffff;
    --text-muted: #8E98B4;
    --border-dark: #2B3356;
    --input-bg: #14172C;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    transition: background-color 0.3s, color 0.3s;
    background-color: var(--bg-color-dark);
    color: var(--text-dark);
}

.text-muted {
    color: var(--text-muted);
}

.card {
    background-color: var(--card-bg-dark);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.center-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card, .error-card {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.2s, background-color 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    opacity: 0.9;
}

.btn-primary { background-color: var(--primary); }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-secondary { background-color: var(--secondary); border: 1px solid rgba(255,255,255,0.05); }
.btn-secondary:hover { background-color: var(--secondary-hover); }
.btn-danger { background-color: var(--danger); }
.btn-success { background-color: var(--success); }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; border-radius: 8px;}
.w-100 { width: 100%; box-sizing: border-box; }
.mt-3 { margin-top: 1rem; }

h1, h2 {
    margin-top: 0;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input[type="text"], 
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    background-color: var(--input-bg);
    color: var(--text-dark);
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input[type="text"]:focus, 
.form-group input[type="password"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.alert {
    padding: 14px;
    border-radius: 12px;
    margin-bottom: 15px;
    font-weight: 500;
}

.alert.error {
    background-color: rgba(231, 76, 60, 0.15);
    border: 1px solid var(--danger);
    color: #ff8585;
}

/* Dashboard specific */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    background-color: var(--card-bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-actions {
    display: flex;
    gap: 15px;
}

.dashboard-container {
    padding: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2.5rem;
}

@media (max-width: 900px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }
}

.drop-zone {
    border: 2px dashed var(--border-dark);
    border-radius: 16px;
    padding: 35px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 20px 0;
    background-color: var(--input-bg);
}

.drop-zone:hover {
    border-color: var(--primary);
}

.text-small {
    font-size: 0.85rem;
}

.table-responsive {
    overflow-x: auto;
}

.sites-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

.sites-table th {
    padding: 0 16px 10px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border-dark);
}

.sites-table td {
    padding: 20px 16px;
    background-color: var(--input-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

/* Add round corners to isolated rows */
.sites-table td:first-child { border-radius: 12px 0 0 12px; border-left: 1px solid rgba(255, 255, 255, 0.02); }
.sites-table td:last-child { border-radius: 0 12px 12px 0; border-right: 1px solid rgba(255, 255, 255, 0.02); }


.status-inactive td {
    opacity: 0.5;
}

.badge {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge-success { background-color: rgba(46, 204, 113, 0.1); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.2); }
.badge-danger { background-color: rgba(231, 76, 60, 0.1); color: #fb7185; border: 1px solid rgba(251, 113, 133, 0.2); }

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

.action-buttons-grid {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.site-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.subtext-link {
    font-size: 0.85rem;
    color: var(--primary);
    text-decoration: none;
    opacity: 0.9;
}
.subtext-link:hover { text-decoration: underline; opacity: 1; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-form input {
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-dark);
    background: var(--input-bg);
    color: var(--text-dark);
}

.progress-container {
    width: 100%;
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: var(--input-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-dark);
}

.progress-fill {
    height: 100%;
    background-color: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 8px;
}

.progress-text {
    font-size: 0.85rem;
    margin-top: 8px;
    text-align: right;
    color: var(--text-muted);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(16, 18, 34, 0.8);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    min-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 25px;
}

.radio-group {
    display: flex;
    gap: 10px;
}

.radio-btn {
    flex: 1;
    text-align: center;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.radio-btn input {
    margin: 0;
}