@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --card-bg: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.3);
    --telegram-blue: #0088cc;
    --telegram-glow: rgba(0, 136, 204, 0.3);
    --whatsapp-green: #10b981;
    --whatsapp-glow: rgba(16, 185, 129, 0.3);
    --danger: #ef4444;
    --success: #10b981;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --font-sans: 'Outfit', sans-serif;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Glassmorphism utility */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

/* Grid & Layouts */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-whatsapp {
    background: linear-gradient(135deg, var(--whatsapp-green), #059669);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--whatsapp-glow);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

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

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

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255, 255, 255, 0.06);
}

/* Landing Page Styles */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at top, rgba(37, 99, 235, 0.15), transparent 60%);
    padding: 2rem;
    position: relative;
}

.hero-logo {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--telegram-blue), var(--whatsapp-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: float 6s ease-in-out infinite;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    gap: 0.5rem;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--whatsapp-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--whatsapp-green);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    width: 100%;
    max-width: 1000px;
}

.feature-card {
    padding: 2.5rem 2rem;
    text-align: left;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

.feature-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Authentication Page Styles */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.08), transparent 70%);
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 3rem 2.5rem;
}

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

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    padding: 2rem;
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand span {
    background: linear-gradient(135deg, var(--telegram-blue), var(--whatsapp-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.sidebar-item a, .sidebar-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.sidebar-item a:hover, .sidebar-logout:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-item.active a {
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent), #1d4ed8);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Main Dashboard Panel */
.main-panel {
    margin-left: 280px;
    flex-grow: 1;
    padding: 2.5rem;
    background: radial-gradient(circle at top right, rgba(0, 136, 204, 0.05), transparent 40%);
}

.panel-header {
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 2rem;
    font-weight: 700;
}

.panel-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

/* Stat Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    padding: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
}

.stat-icon.primary {
    color: var(--accent);
    background: var(--accent-glow);
}

.stat-icon.success {
    color: var(--whatsapp-green);
    background: var(--whatsapp-glow);
}

.stat-icon.telegram {
    color: var(--telegram-blue);
    background: var(--telegram-glow);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Recent Logs Table */
.recent-logs {
    padding: 2rem;
}

.section-header {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
}

.badge-inbound {
    background: var(--whatsapp-glow);
    color: var(--whatsapp-green);
}

.badge-outbound {
    background: var(--accent-glow);
    color: var(--accent);
}

.badge-status {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.badge-status.active {
    background: var(--whatsapp-glow);
    color: var(--whatsapp-green);
}

/* Live Chat Interface */
.chat-container {
    height: calc(100vh - 12rem);
    display: flex;
    overflow: hidden;
}

.chat-contacts {
    width: 320px;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.chat-contacts-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.contacts-list {
    list-style: none;
}

.contact-item {
    border-bottom: 1px solid var(--border-color);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
}

.contact-item.active .contact-link {
    background: rgba(37, 99, 235, 0.1);
    color: #ffffff;
    border-left: 3px solid var(--accent);
}

.contact-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--telegram-blue));
    color: #ffffff;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.contact-details {
    flex-grow: 1;
    overflow: hidden;
}

.contact-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-preview {
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.02), transparent 70%);
}

.chat-header {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chat-body {
    flex-grow: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.message {
    max-width: 65%;
    display: flex;
    flex-direction: column;
}

.message.received {
    align-self: flex-start;
}

.message.sent {
    align-self: flex-end;
}

.bubble {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.received .bubble {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
}

.sent .bubble {
    background: linear-gradient(135deg, #059669, var(--whatsapp-green));
    color: #ffffff;
    border-bottom-right-radius: 2px;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.35rem;
    align-self: flex-end;
}

.sent .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.chat-empty {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    gap: 1.5rem;
}

.chat-empty-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.08);
}

.chat-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
}

.chat-input-form {
    display: flex;
    gap: 1rem;
}

.chat-input-form input {
    flex-grow: 1;
}

/* Config & Form Panel Styles */
.config-container {
    max-width: 750px;
    padding: 2.5rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--whatsapp-green);
    color: #34d399;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

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

/* Responsive design adjustments */
@media (max-width: 992px) {
    .sidebar {
        width: 80px;
    }
    .sidebar-brand span, .sidebar-item span, .sidebar-footer {
        display: none;
    }
    .sidebar-brand {
        padding: 1.5rem 0;
        justify-content: center;
    }
    .sidebar-menu {
        padding: 1rem 0.5rem;
    }
    .sidebar-item a {
        justify-content: center;
        padding: 0.85rem;
    }
    .main-panel {
        margin-left: 80px;
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .chat-container {
        flex-direction: column;
        height: auto;
    }
    .chat-contacts {
        width: 100%;
        height: 250px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .chat-area {
        height: 450px;
    }
}