:root {
  --bg-base: #050508;
  --surface: rgba(15, 15, 23, 0.4);
  --surface-glass: rgba(20, 20, 30, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text-main: #f0f0f5;
  --text-muted: #9ba0aa;
  
  --primary-color: #6a5acd;
  --secondary-color: #1e1e2f;
}

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

::selection {
  background: var(--primary-color);
  color: #fff;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography Overrides */
h1, h2, h3, .logo {
  font-family: 'Syne', sans-serif;
}

#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
  background-color: var(--bg-base);
}

/* NAVBAR */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(5,5,8,0.9) 0%, rgba(5,5,8,0) 100%);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.logo {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #fff, #888);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.github-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.github-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

#lang-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

#lang-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

/* MAIN CONTENT */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

section {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  animation: floatUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hidden {
  display: none !important;
}

@keyframes floatUp {
  from { opacity: 0; transform: translateY(40px); filter: blur(10px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0px); }
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #fff, #a0a0b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
}

textarea {
  width: 100%;
  height: 220px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.6;
  resize: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5), 0 10px 40px rgba(0,0,0,0.3);
}

textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--primary-color);
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5), 0 0 0 2px rgba(255,255,255,0.05), 0 0 30px var(--primary-color);
  transform: translateY(-2px);
}

textarea::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

button {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.2rem 2.8rem;
  border-radius: 50px;
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(var(--primary-color), 0.4) !important;
  position: relative;
  overflow: hidden;
  align-self: center;
}

button::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.3), transparent);
  transform: skewX(-20deg);
  transition: 0.5s;
}

button:hover::after {
  left: 150%;
}

button:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 40px var(--primary-color) !important;
  border-color: rgba(255,255,255,0.5);
}

button:active {
  transform: translateY(2px) scale(0.98);
}

.btn-secondary {
  background: rgba(25, 25, 35, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2) !important;
}

.btn-secondary:hover {
  background: rgba(40, 40, 55, 0.8) !important;
  color: #fff;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4) !important;
  border-color: rgba(255,255,255,0.3);
}

/* Loading */
#loading-section {
  align-items: center;
  justify-content: center;
  height: 40vh;
}

#loading-section p {
  font-size: 1.2rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  animation: pulse 2s infinite;
  margin-top: 1.5rem;
}

.spinner {
  width: 70px;
  height: 70px;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.6, 0.2, 0.4, 0.8) infinite;
  box-shadow: 0 0 30px var(--primary-color);
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

/* Results */
.emotions-badges {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.badge {
  background: rgba(20, 20, 30, 0.5);
  border: 1px solid var(--glass-border);
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.badge.dominant {
  background: linear-gradient(135deg, rgba(20, 20, 30, 0.8), rgba(10, 10, 15, 0.9));
  border: 1px solid var(--primary-color);
  box-shadow: 0 0 20px rgba(0,0,0,0.5), inset 0 0 15px rgba(255,255,255,0.05);
  color: #fff;
  font-size: 1.1rem;
  padding: 0.8rem 2rem;
}

.badge .emoji {
  font-size: 1.6rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.card {
  background: linear-gradient(145deg, rgba(8, 8, 14, 0.7) 0%, rgba(15, 15, 25, 0.8) 100%);
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 30px;
  padding: 2.5rem;
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);
  transition: all 0.4s ease;
  box-shadow: 0 20px 45px rgba(0,0,0,0.6), inset 0 0 40px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
  opacity: 1;
}

.card:hover {
  transform: translateY(-5px);
  background: linear-gradient(145deg, rgba(12, 12, 18, 0.8) 0%, rgba(20, 20, 30, 0.9) 100%);
  border-color: rgba(255,255,255,0.3);
  box-shadow: 0 25px 60px rgba(0,0,0,0.7), 0 0 50px rgba(var(--primary-color), 0.25);
}

.card h3 {
  margin-bottom: 1.2rem;
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: inline-block;
  background: linear-gradient(to right, #ffffff, var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 15px rgba(0,0,0,0.9);
}

.card p {
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.25rem;
  font-weight: 500;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

.controls {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 2.5rem;
  padding-bottom: 1rem;
}

#error-message {
  color: #ff4d6d;
  text-align: center;
  margin-top: 1rem;
  background: rgba(255, 77, 109, 0.1);
  padding: 1.2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 77, 109, 0.3);
  font-weight: 500;
  backdrop-filter: blur(10px);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.4);
}

@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
    background: rgba(5,5,8,0.8);
  }
  main {
    padding: 7rem 1.2rem 3rem;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .card {
    padding: 1.8rem;
    border-radius: 20px;
  }
  .card p {
    font-size: 1.05rem;
  }
  .controls {
    flex-direction: column;
    width: 100%;
  }
  .controls button {
    width: 100%;
  }
}