/* Modern WhatsApp Multi-Session Bot Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --whatsapp-green: #25D366;
    --whatsapp-dark-green: #128C7E;
    --whatsapp-light-green: #DCF8C6;
    --dark-bg: #0f1419;
    --dark-card: #1a1f2e;
    --dark-border: #2d3748;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --success: #48bb78;
    --warning: #ed8936;
    --danger: #f56565;
    --info: #4299e1;
    --gradient-primary: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    --gradient-dark: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background: var(--gradient-primary) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.navbar-text {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
}

/* Cards */
.card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    font-weight: 600;
    color: var(--text-primary);
    padding: 1.25rem 1.5rem;
    border-radius: 16px 16px 0 0 !important;
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: none;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-success {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-success:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--info) 0%, #3182ce 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(66, 153, 225, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 153, 225, 0.4);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #e53e3e 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 101, 101, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 101, 101, 0.4);
    color: white;
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    color: white;
    transform: translateY(-1px);
}

/* Tables */
.table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: white;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-color: rgba(226, 232, 240, 0.6);
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(37, 211, 102, 0.05);
    transform: scale(1.01);
}

/* Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-sm);
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--whatsapp-green) 100%) !important;
    color: white;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #dd6b20 100%) !important;
    color: white;
}

.badge.bg-info {
    background: linear-gradient(135deg, var(--info) 0%, #3182ce 100%) !important;
    color: white;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #e53e3e 100%) !important;
    color: white;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1) 0%, rgba(37, 211, 102, 0.1) 100%);
    border-left: 4px solid var(--success);
    color: #2f855a;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.1) 0%, rgba(229, 62, 62, 0.1) 100%);
    border-left: 4px solid var(--danger);
    color: #c53030;
}

/* Modals */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.modal-header {
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 20px 20px 0 0;
}

.modal-title {
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
    border-radius: 0 0 20px 20px;
}

/* Login page styles */
.min-vh-100 {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.min-vh-100::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(255,255,255,0.1)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/><circle cx="900" cy="800" r="80" fill="url(%23a)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

/* Stats Cards */
.stats-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stats-card.bg-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-card.bg-success {
    background: var(--gradient-primary);
    color: white;
}

.stats-card.bg-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.stats-card.bg-danger {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    color: white;
}

.stats-card .card-body {
    position: relative;
    z-index: 1;
}

.stats-card i {
    opacity: 0.8;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* QR Code modal styles */
#qrCodeContainer {
    padding: 2rem;
    text-align: center;
}

#qrCodeContainer img {
    border: 3px solid var(--whatsapp-green);
    border-radius: 16px;
    padding: 1rem;
    background: white;
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    width: 100%;
}

.qr-instructions {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, rgba(18, 140, 126, 0.1) 100%);
    border: 1px solid rgba(37, 211, 102, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
    color: var(--whatsapp-dark-green);
    font-weight: 500;
}

/* Form styling */
.form-control {
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.form-control:focus {
    border-color: var(--whatsapp-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
    background: white;
    transform: translateY(-1px);
}

.input-group-text {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px 0 0 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Code styling */
code {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%);
    color: var(--whatsapp-dark-green);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.875em;
    font-weight: 600;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

/* Loading spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* Animations */
@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--whatsapp-dark-green) 0%, #0d7377 100%);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }

    .card {
        margin-bottom: 1rem;
        border-radius: 12px;
    }

    .card-body {
        padding: 1rem;
    }

    .table-responsive {
        font-size: 0.875rem;
        border-radius: 12px;
        margin-bottom: 0;
    }

    .table th, .table td {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        border-radius: 8px;
    }

    .btn-sm {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    .modal-dialog {
        margin: 0.5rem;
    }

    .stats-card .card-body {
        padding: 1rem;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    /* Mobile navigation improvements */
    .navbar-collapse {
        margin-top: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.5rem 1rem;
        border-radius: 8px;
        margin: 0.25rem 0;
    }

    .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    /* Mobile-friendly pre code blocks */
    pre {
        font-size: 0.75rem;
        padding: 0.75rem !important;
        overflow-x: auto;
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    /* Mobile form improvements */
    .input-group {
        flex-wrap: wrap;
    }

    .input-group .btn {
        margin-top: 0.5rem;
        width: 100%;
    }

    /* Mobile stats cards */
    .row .col-md-3 {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0.25rem;
    }

    .login-card {
        margin: 0.5rem;
        border-radius: 16px;
    }

    .modal-content {
        border-radius: 16px;
        margin: 0.5rem;
    }

    .card {
        border-radius: 12px;
        margin-bottom: 0.75rem;
    }

    .card-body {
        padding: 0.75rem;
    }

    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Extra small screen table adjustments */
    .table-responsive {
        font-size: 0.75rem;
    }

    .table th, .table td {
        padding: 0.375rem 0.5rem;
        font-size: 0.75rem;
    }

    /* Mobile-first navigation */
    .navbar-brand span {
        font-size: 1rem;
    }

    /* Compact stats cards for mobile */
    .stats-card h2 {
        font-size: 1.5rem;
    }

    .stats-card h6 {
        font-size: 0.75rem;
    }

    /* Mobile API documentation */
    pre {
        font-size: 0.7rem;
        line-height: 1.3;
    }

    .input-group .form-control {
        font-size: 0.875rem;
    }

    .input-group .btn {
        font-size: 0.75rem;
        padding: 0.5rem;
    }
}

/* Refresh Indicator */
.refresh-indicator {
    font-size: 0.8rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.refresh-indicator.fast {
    animation: refreshPulse 2s ease-in-out infinite;
}

.refresh-text {
    margin-left: 0.3rem;
    font-weight: 500;
}

@keyframes refreshPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* Celebration Effect */
.celebration-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: celebrationFadeIn 0.5s ease-out;
}

.celebration-content {
    text-align: center;
    color: white;
    position: relative;
    animation: celebrationBounce 0.8s ease-out;
}

.celebration-icon {
    font-size: 6rem;
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
    animation: celebrationPulse 1s ease-in-out infinite;
}

.celebration-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--whatsapp-green), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.celebration-message {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.celebration-confetti {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--whatsapp-green);
    animation: confettiFall 3s linear infinite;
}

.confetti:nth-child(1) { left: 10%; animation-delay: 0s; background: #ff6b6b; }
.confetti:nth-child(2) { left: 20%; animation-delay: 0.2s; background: #4ecdc4; }
.confetti:nth-child(3) { left: 30%; animation-delay: 0.4s; background: #45b7d1; }
.confetti:nth-child(4) { left: 40%; animation-delay: 0.6s; background: #96ceb4; }
.confetti:nth-child(5) { left: 50%; animation-delay: 0.8s; background: #feca57; }
.confetti:nth-child(6) { left: 60%; animation-delay: 1s; background: #ff9ff3; }
.confetti:nth-child(7) { left: 70%; animation-delay: 1.2s; background: #54a0ff; }
.confetti:nth-child(8) { left: 80%; animation-delay: 1.4s; background: #5f27cd; }
.confetti:nth-child(9) { left: 90%; animation-delay: 1.6s; background: #00d2d3; }
.confetti:nth-child(10) { left: 95%; animation-delay: 1.8s; background: #ff6348; }

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

@keyframes celebrationBounce {
    0% { transform: scale(0.3) translateY(100px); opacity: 0; }
    50% { transform: scale(1.1) translateY(-20px); opacity: 1; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

@keyframes celebrationPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e2e8f0;
        --text-secondary: #a0aec0;
    }

    body {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
        color: var(--text-primary);
    }

    .card {
        background: rgba(26, 32, 44, 0.95);
        color: var(--text-primary);
    }

    .table {
        background: rgba(26, 32, 44, 0.95);
        color: var(--text-primary);
    }

    .form-control {
        background: rgba(45, 55, 72, 0.9);
        border-color: rgba(74, 85, 104, 0.8);
        color: var(--text-primary);
    }
}