:root {
    --primary-color: #1e3a8a;
    --secondary-color: #f97316;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    min-height: 100vh;
    color: var(--text-primary);
}

/* Login Screen */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo-container {
    margin-bottom: 30px;
}

.logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 15px;
}

.logo-container h1 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 2rem;
}

.logo-container p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.login-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 10px;
    display: none;
}

/* Dashboard */
.dashboard-container {
    min-height: 100vh;
    background: var(--light-bg);
}

.dashboard-header {
    background: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 20px 0;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.header-content h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.logout-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.logout-btn:hover {
    background: #dc2626;
}

.dashboard-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.department-section {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.department-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.department-header h2 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
}

.add-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.add-btn:hover {
    background: #059669;
}

.systems-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.system-card {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.system-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.system-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.system-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.system-actions {
    display: flex;
    gap: 5px;
}

.action-btn {
    background: none;
    border: none;
    padding: 5px;
    border-radius: 5px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 0.2s;
}

.action-btn:hover {
    background: var(--border-color);
}

.edit-btn:hover {
    color: var(--warning-color);
}

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

.system-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.info-label {
    color: var(--text-secondary);
    min-width: 60px;
}

.info-value {
    color: var(--text-primary);
    flex: 1;
}

.url-link {
    color: var(--primary-color);
    text-decoration: none;
    word-break: break-all;
}

.url-link:hover {
    text-decoration: underline;
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.copy-btn:hover {
    background: #1e40af;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 5px;
    border-radius: 5px;
}

.close-btn:hover {
    background: var(--border-color);
}

.system-form {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.cancel-btn {
    background: var(--text-secondary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cancel-btn:hover {
    background: #475569;
}

.save-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.save-btn:hover {
    background: #059669;
}

/* Responsive */
@media (max-width: 768px) {
    .departments-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .department-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .system-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.refresh-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
    margin-right: 10px;
}

.refresh-btn:hover {
    background: #1e40af;
}

.error-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--danger-color);
}

.error-state i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.retry-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 10px auto;
}

.retry-btn:hover {
    background: #dc2626;
}

.user-level {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 500;
    margin-right: 15px;
}

.user-level.readonly {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fbbf24;
}

.user-level.admin {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}