:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #06B6D4;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --dark: #1F2937;
    --light: #F9FAFB;
    --border: #E5E7EB;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    height: 100vh;
    background: white;
}

.sidebar {
    width: 250px;
    background: var(--dark);
    color: white;
    display: flex;
    flex-direction: column;
}

.logo {
    padding: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
}

.nav-menu li {
    margin: 0.25rem 0;
}

.nav-menu a {
    display: block;
    padding: 0.75rem 2rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left: 3px solid var(--primary);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--light);
}

.top-bar {
    background: white;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.top-bar h1 {
    font-size: 1.75rem;
    color: var(--dark);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    color: var(--dark);
}

.content {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* Cards and Stats */
.card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary);
}

.stat-card h3 {
    color: #6B7280;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
}

/* Numbers Grid */
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.number-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.number-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.number-card h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.phone-number {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.forwarding-info {
    background: var(--light);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.current-forward {
    font-size: 0.875rem;
    color: #6B7280;
    margin-bottom: 0.25rem;
}

.forward-dest {
    color: var(--dark);
}

.no-forward {
    color: var(--warning);
    font-style: italic;
}

/* Destinations Grid */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.destination-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.destination-card h3 {
    color: var(--dark);
    font-size: 1.125rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-weight: 500;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="datetime-local"],
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus,
input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background: #6B7280;
    color: white;
}

.btn-secondary:hover {
    background: #4B5563;
}

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--light);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: #4B5563;
}

tbody tr:hover {
    background: var(--light);
}

/* Status badges */
.status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-active {
    background: #D1FAE5;
    color: #065F46;
}

.status-scheduled {
    background: #FEF3C7;
    color: #92400E;
}

.status-expired {
    background: #FEE2E2;
    color: #991B1B;
}

.status-forwarded {
    background: #DBEAFE;
    color: #1E40AF;
}

.status-no-forward {
    background: #FEF3C7;
    color: #92400E;
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}

.modal-overlay.active {
    display: block;
}

.modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    z-index: 1000;
}

.modal.active {
    display: block;
}

.modal-content {
    padding: 2rem;
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    width: 100%;
    max-width: 400px;
}

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

.login-header h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #6B7280;
}

/* Quick Actions */
.quick-actions {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.quick-actions h2 {
    margin-bottom: 1rem;
    color: var(--dark);
}

/* Utilities */
.mt-2 { margin-top: 0.5rem; }
.no-data {
    text-align: center;
    color: #6B7280;
    font-style: italic;
    padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: fixed;
        bottom: 0;
        top: auto;
        height: auto;
        z-index: 100;
    }
    
    .nav-menu {
        display: flex;
        justify-content: space-around;
    }
    
    .nav-menu a {
        padding: 1rem;
        text-align: center;
    }
    
    .logo {
        display: none;
    }
    
    .main-content {
        margin-bottom: 60px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
}

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