@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

:root {
    --bg-dark: #050b14;
    --glass-bg: rgba(20, 25, 40, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary: #8b5cf6; /* Violet */
    --accent: #ec4899;  /* Pink */
    --blue: #3b82f6;    /* Blue */
    --text: #f8fafc;
    --text-muted: #94a3b8;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Animated Blobs --- */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite alternate;
}

.blob-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: var(--primary); }
.blob-2 { bottom: -10%; right: -10%; width: 400px; height: 400px; background: var(--blue); animation-delay: -5s; }
.blob-3 { top: 40%; left: 40%; width: 300px; height: 300px; background: var(--accent); opacity: 0.3; }

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 60px); }
}

/* --- Navbar --- */
.navbar {
    width: 100%;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(5px);
    z-index: 10;
}

.logo { font-size: 1.5rem; font-weight: 700; }
.highlight { color: var(--primary); }
.sub-text { color: var(--text-muted); font-size: 0.9rem; letter-spacing: 1px; }

/* --- Main Layout --- */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    width: 100%;
    gap: 3rem;
    padding: 2rem;
}

/* --- Glass Card --- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    padding: 3rem;
    width: 100%;
    max-width: 700px;
    text-align: center;
    transition: transform 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text; /* Vendor prefix for Chrome/Safari */
    background-clip: text;         /* Standard property */
    color: transparent;            /* Essential for the gradient to show */
}

.subtitle { color: var(--text-muted); margin-bottom: 2rem; }

/* --- Upload Area --- */
.upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.upload-area.active {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    transform: scale(1.02);
}

.icon-box { font-size: 3rem; color: var(--text-muted); margin-bottom: 1rem; }
.upload-area input { display: none; }

.card-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* --- Buttons --- */
.btn-primary, .btn-secondary {
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--blue));
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}
.btn-primary:hover { box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6); transform: translateY(-2px); }

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* --- Feature Navigation (Neon Buttons) --- */
.feature-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.glow-btn {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.pink-glow:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5), inset 0 0 10px rgba(236, 72, 153, 0.2);
    transform: translateY(-3px);
    text-shadow: 0 0 8px rgba(236, 72, 153, 0.8);
}

.blue-glow:hover {
    border-color: var(--blue);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5), inset 0 0 10px rgba(59, 130, 246, 0.2);
    transform: translateY(-3px);
    text-shadow: 0 0 8px rgba(59, 130, 246, 0.8);
}

/* --- Chat Section --- */
.chat-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-bottom: 3rem;
}

.chat-interface {
    max-width: 600px;
    height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.status-badge {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.chat-box { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
.message { padding: 1rem; border-radius: 12px; max-width: 80%; font-size: 0.95rem; line-height: 1.5; }
.bot-message { background: rgba(255,255,255,0.05); align-self: flex-start; }

.input-group {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
    background: rgba(0,0,0,0.3);
    padding: 8px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.1);
}

.input-group input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    padding-left: 15px;
    outline: none;
}

.send-icon {
    background: var(--primary);
    border: none;
    width: 40px; height: 40px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: 0.3s;
}
.send-icon:hover { transform: scale(1.1); }