:root {
    --bg-color: #0f172a;
    --chat-bg: #1e293b;
    --sidebar-bg: #0f172a;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-glow: rgba(99, 102, 241, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --sidebar-width: 280px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.app-container {
    width: 100%;
    max-width: 1400px;
    height: 90vh;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: row;
    overflow: hidden;
    margin: 20px;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 20px;
    transition: transform 0.3s ease;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.sidebar-header .logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.close-sidebar {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    display: none;
}

.new-chat-btn-container {
    margin-bottom: 25px;
}

.new-chat-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: inherit;
}

.new-chat-btn:hover {
    opacity: 0.9;
}

.workers-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.workers-list h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 1px;
    padding-left: 10px;
}

.worker-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s;
    color: var(--text-secondary);
}

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

.worker-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.worker-icon {
    font-size: 1.2rem;
}

.worker-name {
    font-size: 0.95rem;
    font-weight: 500;
}

.user-profile {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-profile .avatar {
    background: var(--secondary-color);
    width: 40px;
    height: 40px;
    font-size: 16px;
}

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

.user-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.user-plan {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Chat Interface */
.chat-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: rgba(30, 41, 59, 0.4);
}

/* Header */
.chat-header {
    padding: 15px 30px;
    background: rgba(15, 23, 42, 0.6);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: none;
    padding: 5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 0 15px var(--accent-glow);
}

.current-worker-info h1 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.dot {
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 6px #22c55e;
}

/* Messages */
.messages-container {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
    background-color: var(--secondary-color);
    border-radius: 20px;
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.bot-message .avatar {
    background: var(--primary-gradient);
    box-shadow: 0 0 10px var(--accent-glow);
}

.user-message .avatar {
    background: var(--secondary-color);
    color: var(--text-secondary);
}

.message-content {
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
}

.bot-message .message-content {
    background: var(--secondary-color);
    border-top-left-radius: 4px;
    color: var(--text-primary);
}

.user-message .message-content {
    background: var(--primary-gradient);
    border-top-right-radius: 4px;
    color: white;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

/* Input Area */
.input-area {
    padding: 20px 30px;
    background: rgba(15, 23, 42, 0.8);
    border-top: 1px solid var(--glass-border);
}

#chatForm {
    display: flex;
    gap: 15px;
    background: var(--chat-bg);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: border-color 0.3s ease;
}

#chatForm:focus-within {
    border-color: #6366f1;
}

#userInput {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
}

#userInput::placeholder {
    color: var(--text-secondary);
}

#sendBtn {
    background: var(--primary-gradient);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#sendBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--accent-glow);
}

#sendBtn:active {
    transform: scale(0.95);
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        height: 100vh;
        margin: 0;
        border-radius: 0;
        border: none;
        position: relative;
    }

    .sidebar {
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .menu-btn {
        display: block;
    }

    .close-sidebar {
        display: block;
    }

    .message {
        max-width: 90%;
    }
}

/* Logo Image */
.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* Landing Page Styles */
.landing-page {
    display: block;
    height: auto;
    min-height: 100vh;
    background: radial-gradient(circle at top right, #1e293b 0%, #0f172a 100%);
    overflow-y: auto;
}

.landing-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.landing-nav .logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-cta {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-cta:hover {
    color: var(--text-primary);
}

.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.logo-large {
    margin-bottom: 40px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-gradient);
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.6);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 80px;
    width: 100%;
    padding: 0 20px;
}

.feature-card {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 20px;
    text-align: left;
    transition: transform 0.3s, background 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(30, 41, 59, 0.6);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.landing-footer {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: auto;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .landing-nav {
        padding: 20px;
    }
}