/* ========================================
   WhatsApp Gateway Management - Custom Styles
   ======================================== */

:root {
    --primary-color: #25D366;
    --primary-dark: #128C7E;
    --secondary-color: #34B7F1;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --success-color: #28a745;
    --dark-bg: #0a1929;
    --card-bg: #1e293b;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* ========================================
   Global Styles
   ======================================== */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a1929 0%, #1e293b 100%);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========================================
   Login Page
   ======================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #0a1929 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -250px;
    animation: pulse 4s ease-in-out infinite;
}

.login-container::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(52, 183, 241, 0.1) 0%, transparent 70%);
    bottom: -200px;
    left: -200px;
    animation: pulse 4s ease-in-out infinite 2s;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.login-card {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    max-width: 450px;
    width: 100%;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease-out;
}

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

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-logo h2 {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 5px;
}

.login-logo p {
    color: var(--text-muted);
    font-size: 14px;
}

.form-control {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 12px 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 0 0 0.2rem rgba(37, 211, 102, 0.25);
}

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

.input-group-text {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 10px 0 0 10px;
}

.btn-login {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    color: white;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

/* ========================================
   Dashboard Layout
   ======================================== */

.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-logo {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.sidebar-logo h4 {
    color: var(--primary-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo h4 i {
    font-size: 28px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    color: var(--primary-color);
    background: rgba(37, 211, 102, 0.1);
}

.sidebar-menu a:hover::before,
.sidebar-menu a.active::before {
    transform: scaleY(1);
}

.sidebar-menu a i {
    font-size: 18px;
    width: 20px;
}

.sidebar-close {
    border-color: rgba(148, 163, 184, 0.4);
    color: var(--text-light);
    border-radius: 10px;
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
    transition: all 0.3s ease;
}

/* Topbar */
.topbar {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 15px 25px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.topbar-left h5 {
    margin: 0;
    color: var(--text-light);
    font-weight: 600;
}

.topbar-left p {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.user-details span {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.user-details small {
    color: var(--text-muted);
    font-size: 12px;
}

.btn-logout {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: var(--danger-color);
    padding: 8px 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

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

/* ========================================
   Cards & Stats
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 15px;
}

.stat-icon.primary {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.2) 0%, rgba(18, 140, 126, 0.2) 100%);
    color: var(--primary-color);
}

.stat-icon.info {
    background: linear-gradient(135deg, rgba(52, 183, 241, 0.2) 0%, rgba(13, 110, 253, 0.2) 100%);
    color: var(--secondary-color);
}

.stat-icon.warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.2) 0%, rgba(255, 152, 0, 0.2) 100%);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.2) 0%, rgba(183, 28, 28, 0.2) 100%);
    color: var(--danger-color);
}

.stat-content h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--text-muted);
    margin: 0;
    font-size: 14px;
}

/* ========================================
   Instance Cards
   ======================================== */

.instances-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.instance-card {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.instance-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.instance-info h5 {
    color: var(--text-light);
    margin-bottom: 5px;
    font-weight: 600;
}

.instance-info p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0;
}

.instance-status {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.instance-status.running {
    background: rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.instance-status.stopped {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

.instance-status.created {
    background: rgba(255, 193, 7, 0.2);
    color: var(--warning-color);
}

.instance-status i {
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.instance-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 15px;
    padding: 15px;
    background: rgba(15, 23, 42, 0.4);
    border-radius: 10px;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-item label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.detail-item span {
    color: var(--text-light);
    font-size: 13px;
    font-weight: 500;
}

.instance-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-action {
    flex: 1;
    min-width: 80px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

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

.btn-action.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.btn-action.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.btn-action.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: #000;
}

.btn-action.btn-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
}

.btn-action.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
}

/* ========================================
   Modals
   ======================================== */

.modal-content {
    background: rgba(30, 41, 59, 0.98);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 25px;
}

.modal-title {
    color: var(--text-light);
    font-weight: 600;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 15px 25px;
}

.btn-close {
    filter: invert(1);
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}

/* ========================================
   Tables
   ======================================== */

.table-container {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.message-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.message-action-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(15, 23, 42, 0.25);
}

.message-action-btn i {
    font-size: 15px;
}

.table {
    color: var(--text-light);
    margin: 0;
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    padding: 15px;
}

.table tbody td {
    border-bottom: 1px solid var(--border-color);
    padding: 15px;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(37, 211, 102, 0.05);
}

.action-buttons {
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

/* ========================================
   Badges & Pills
   ======================================== */

.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 11px;
}

/* ========================================
   Loading & Animations
   ======================================== */

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Responsividade adicional
   ======================================== */

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: 12px;
    }

    .topbar {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .card-compact {
        padding: 12px;
    }

    .table thead {
        font-size: 12px;
    }

    .table td, .table th {
        padding: 10px 8px;
        font-size: 13px;
        white-space: nowrap;
    }

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

    .action-buttons {
        flex-wrap: wrap;
        gap: 6px;
    }

    .instances-grid {
        grid-template-columns: 1fr;
    }

    .instance-details {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 12px;
    }
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-close {
        display: inline-flex;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .instances-grid {
        grid-template-columns: 1fr;
    }
    
    .topbar {
        flex-direction: column;
        gap: 15px;
    }
}

/* ========================================
   Utilities
   ======================================== */

.text-primary { color: var(--primary-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.bg-dark-card { background: var(--card-bg) !important; }
.border-primary { border-color: var(--primary-color) !important; }

.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-4 { padding: 1.5rem; }