:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #4895ef;
    --secondary: #7209b7;
    --secondary-light: #b5179e;
    --success: #06d6a0;
    --success-dark: #05b086;
    --warning: #ffb703;
    --warning-dark: #fb8500;
    --danger: #e63946;
    --danger-dark: #c72a36;
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #f8f9fa;
    --lighter: #ffffff;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --gray-dark: #475569;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem;
}

/* Navigation Premium */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 1rem 2rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: sticky;
    top: 1rem;
    z-index: 100;
    animation: slideDown 0.5s ease-out;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-menu {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.navbar-menu a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.navbar-menu a i {
    font-size: 1rem;
}

.navbar-menu a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.navbar-menu a.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

/* Dashboard Cards Premium */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.monitor-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.monitor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.monitor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.monitor-card:hover::before {
    opacity: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Status Badges Premium */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    position: relative;
    z-index: 1;
}

.status-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
}

.status-success {
    background: linear-gradient(135deg, rgba(6, 214, 160, 0.15), rgba(6, 214, 160, 0.05));
    color: #0f7b5c;
    border: 1px solid rgba(6, 214, 160, 0.3);
}

.status-success::before {
    background: var(--success);
    animation: pulse 2s infinite;
}

.status-warning {
    background: linear-gradient(135deg, rgba(255, 183, 3, 0.15), rgba(255, 183, 3, 0.05));
    color: #856404;
    border: 1px solid rgba(255, 183, 3, 0.3);
}

.status-warning::before {
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

.status-danger {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.15), rgba(230, 57, 70, 0.05));
    color: #721c24;
    border: 1px solid rgba(230, 57, 70, 0.3);
}

.status-danger::before {
    background: var(--danger);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(6, 214, 160, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(6, 214, 160, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(6, 214, 160, 0);
    }
}

/* Buttons Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: 0.6rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: var(--dark);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Forms Premium */
.form-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header i {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.form-header h1 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--gray);
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-label i {
    color: var(--primary);
    font-size: 1rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    transition: var(--transition);
    z-index: 1;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 2.8rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.input-wrapper input:focus,
.input-wrapper select:focus,
.input-wrapper textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.input-wrapper input.error {
    border-color: var(--danger);
}

.input-hint {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-hint i {
    color: var(--primary);
    font-size: 0.85rem;
}

/* Checkbox Group Premium */
.checkbox-group {
    background: linear-gradient(135deg, var(--light), white);
    padding: 1.8rem;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    border: 2px solid var(--gray-light);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    margin-bottom: 1rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.checkbox-group label:hover {
    background: rgba(67, 97, 238, 0.05);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Alerts Premium */
.alert {
    padding: 1.2rem 1.8rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideDown 0.4s ease-out;
    border-left: 4px solid;
    box-shadow: var(--shadow);
}

.alert i {
    font-size: 1.2rem;
}

.alert-success {
    background: linear-gradient(135deg, rgba(6, 214, 160, 0.1), rgba(6, 214, 160, 0.05));
    border-left-color: var(--success);
    color: #0f7b5c;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 183, 3, 0.1), rgba(255, 183, 3, 0.05));
    border-left-color: var(--warning);
    color: #856404;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(230, 57, 70, 0.05));
    border-left-color: var(--danger);
    color: #721c24;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tables Premium */
.table-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    box-shadow: var(--shadow-lg);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 0.5rem;
}

th {
    text-align: left;
    padding: 1rem;
    background: var(--light);
    font-weight: 700;
    color: var(--dark);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 1rem;
    background: white;
    border-bottom: 1px solid var(--gray-light);
}

tr {
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

tr:hover td {
    background: rgba(67, 97, 238, 0.02);
}

/* Stats Cards Premium */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stats-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1.8rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stats-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card:hover::before {
    opacity: 1;
}

.stats-number {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.stats-label {
    font-size: 1rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modal Premium */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px) scale(0.95);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xl);
}

.modal.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-light);
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--danger);
    background: rgba(230, 57, 70, 0.1);
    transform: rotate(90deg);
}

/* Loading Spinner Premium */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-light);
    border-top-color: var(--primary);
    border-right-color: var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

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

/* Tooltip Premium */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--darker);
    color: white;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 10;
    box-shadow: var(--shadow);
    pointer-events: none;
    margin-bottom: 0.5rem;
}

.tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--darker);
    margin-bottom: -6px;
}

/* Audio Control Premium */
.audio-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.audio-toggle {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.audio-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .navbar-menu a {
        width: 100%;
        justify-content: center;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
    }
    
    .modal-content {
        padding: 1.5rem;
        width: 95%;
    }
    
    .form-card {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(67, 97, 238, 0.2);
    }
    50% {
        box-shadow: 0 0 40px rgba(67, 97, 238, 0.4);
    }
}

.glow {
    animation: glow 2s ease-in-out infinite;
}

/* Progress Bar */
.progress-bar {
    height: 6px;
    background: var(--gray-light);
    border-radius: 3px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
}

.badge-success {
    background: rgba(6, 214, 160, 0.1);
    color: var(--success-dark);
}

.badge-warning {
    background: rgba(255, 183, 3, 0.1);
    color: var(--warning-dark);
}

.badge-danger {
    background: rgba(230, 57, 70, 0.1);
    color: var(--danger-dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.empty-state i {
    font-size: 5rem;
    color: var(--gray-light);
    margin-bottom: 1.5rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Code Block */
.code-block {
    background: var(--darker);
    color: #e2e8f0;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    margin: 1rem 0;
    overflow-x: auto;
}

.code-block code {
    color: #a5f3fc;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-light);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item.success::before {
    background: var(--success);
    box-shadow: 0 0 0 2px var(--success);
}

.timeline-item.warning::before {
    background: var(--warning);
    box-shadow: 0 0 0 2px var(--warning);
}

.timeline-item.danger::before {
    background: var(--danger);
    box-shadow: 0 0 0 2px var(--danger);
}