/* style.css - Modern dark glassmorphism UI */

/* ==== Design Tokens ==== */
:root {
  --clr-primary: hsl(210, 60%, 55%);
  --clr-accent: hsl(45, 80%, 55%);
  --clr-bg: hsl(210, 20%, 12%);
  --clr-surface: hsla(210, 20%, 20%, 0.85);
  --clr-text: hsl(0, 0%, 93%);
  --radius: 12px;
  --blur: 12px;
  --transition: 0.3s ease;
}

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

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  -webkit-font-smoothing: antialiased;
}

body.dark {
  background: var(--clr-bg);
}

a { color: var(--clr-primary); text-decoration: none; }

/* ==== Layout ==== */
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

/* ==== Card ==== */
.card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  backdrop-filter: blur(var(--blur));
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==== Form ==== */
form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  gap: 0.4rem;
}

form input, form textarea {
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.1);
  color: var(--clr-text);
  font-size: 1rem;
  transition: var(--transition);
}

form input:focus, form textarea:focus {
  outline: none;
  background: rgba(255,255,255,0.2);
}

/* ==== Buttons ==== */
.btn {
  cursor: pointer;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: var(--radius);
  background: var(--clr-primary);
  color: #fff;
  font-weight: 600;
  transition: var(--transition);
}

.btn:hover {
  background: hsl(210, 60%, 45%);
  transform: translateY(-2px);
}

.btn.primary {
  background: var(--clr-accent);
}

.btn.primary:hover {
  background: hsl(45, 80%, 45%);
}

.hidden { display: none; }

/* ==== Video & Image ==== */
#camera, #preview {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
}

/* ==== Responsive ==== */
@media (max-width: 600px) {
  .container { margin: 1rem auto; }
  h1 { font-size: 1.5rem; }
}