/*
Project: E-commerce Chatbot
Developed by: Molla Samser
Team: Rima Khatun (Designer & Tester)
Website: https://rskworld.in
Email: support@rskworld.in
Year: 2026
"Empowering E-commerce with AI"
*/

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --dark: #0f172a;
    --light: #f8fafc;
    --accent: #fbbf24;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--light);
    color: var(--text-main);
    line-height: 1.6;
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 5%;
    align-items: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary), #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

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

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

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

/* Chat Interface */
#chat-container {
    width: 400px;
    height: 600px;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
    z-index: 1100;
}

.chat-header {
    background: var(--primary);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 80%;
    padding: 0.8rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.message.bot {
    align-self: flex-start;
    background: #f1f5f9;
}

.message.user {
    align-self: flex-end;
    background: var(--primary);
    color: white;
}

.chat-input-area {
    padding: 1rem;
    background: #f8fafc;
    display: flex;
    gap: 10px;
}

.chat-input-area input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
}

/* Admin Dashboard */
.admin-container {
    padding: 100px 5% 50px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card h3 {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

/* Footer details */
footer {
    padding: 2rem 5%;
    background: var(--dark);
    color: white;
    text-align: center;
}

.developer-details {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}