import streamlit as st
from PIL import Image
import numpy as np

# Page config
st.set_page_config(
    page_title="Sign Language Project",
    page_icon="🤖",
    layout="wide",
    initial_sidebar_state="expanded"
)

# --- Custom Style ---
st.markdown("""
<style>
body {
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    font-family: 'Segoe UI', sans-serif;
    color: #222;
    animation: fade-in 2s ease-out;
}
.sidebar .sidebar-content {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 1rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    backdrop-filter: blur(8px);
}
.hero {
    text-align: center;
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #8e2de2, #4a00e0);
    border-radius: 24px;
    color: white;
    margin-bottom: 3rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: fade-in 2s ease-out;
    position: relative;
}
.hero h1 {
    font-size: 3.75em;
    font-weight: 700;
    margin-bottom: 0.3em;
    animation: glow-text 2s infinite alternate;
}
.hero p {
    font-size: 1.3em;
    font-weight: 300;
    margin-top: 0.5em;
    animation: slide-in-bottom 1.2s ease-out;
}
.hero img.logo {
    width: 120px;
    position: absolute;
    top: 20px;
    left: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(4px);
    animation: fade-in-up 1s ease-out;
}
h3 {
    font-size: 1.8rem;
    color: #2e2e2e;
    margin-bottom: 1rem;
}
ul, ol {
    font-size: 1.1em;
    line-height: 1.6;
    color: #444;
}
.contact-block {
    text-align: center;
    padding: 3rem;
    border-radius: 20px;
    background: linear-gradient(to right, #ff6a00, #ee0979);
    color: white;
    margin-top: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: fade-in 2s ease-out;
}
.contact-block a {
    color: #fff;
    text-decoration: underline;
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slide-in-top {
  0% { transform: translateY(-100px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
@keyframes slide-in-bottom {
  0% { transform: translateY(100px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
@keyframes glow-text {
  from { text-shadow: 0 0 5px #fff, 0 0 10px #bca7ff, 0 0 20px #7e57ff; }
  to { text-shadow: 0 0 10px #fff, 0 0 20px #b388ff, 0 0 30px #7e57ff; }
}
</style>
""", unsafe_allow_html=True)

# --- Hero Section ---
st.markdown("""
<div class="hero">
    <img src="https://cdn-icons-png.flaticon.com/512/3062/3062634.png" class="logo" alt="logo">
    <h1>Sign Language Project</h1>
    <p>AI-powered Sign Language App</p>
</div>
""", unsafe_allow_html=True)

# --- Features ---
st.markdown("""
<div class="section">
<h3>✨ Key Features</h3>
<ul>
  <li>⚡ Real-time AI gesture recognition</li>
  <li>🧠 Optimized for Russian Sign Language</li>
  <li>🖥️ Lightweight and browser-based interface</li>
  <li>🌍 Promoting accessibility and inclusive communication</li>
</ul>
</div>
""", unsafe_allow_html=True)

# --- How it works ---
st.markdown("""
<div class="section">
<h3>🛠 How it works</h3>
<ol>
  <li>Camera captures hand gestures</li>
  <li>Frame is processed via ONNX deep learning model</li>
  <li>Text prediction appears instantly on screen</li>
</ol>
</div>
""", unsafe_allow_html=True)

# --- Contact block ---
st.markdown("""
<div class="contact-block">
    <h3>📬 Let's collaborate!</h3>
    <p>For demos, partnerships, or research opportunities:</p>
    <p>Email: <a href="mailto:your@email.com">osheina9@gmail.com</a></p>
</div>
""", unsafe_allow_html=True)