/* ============================================
   AOY Program Feedback — Art of YouTube
   Dark theme + Orange accent
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #0a0a0a;
  --color-card: #111111;
  --color-surface: #1a1a1a;
  --color-surface-hover: #222222;

  --color-accent: #F97316;
  --color-accent-hover: #EA580C;
  --color-accent-glow: rgba(249, 115, 22, 0.3);
  --color-accent-subtle: rgba(249, 115, 22, 0.1);

  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-muted: rgba(255, 255, 255, 0.4);

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  --color-success: #22c55e;
  --color-error: #ef4444;

  --font-stack: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.container {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 44px 40px;
  box-shadow: var(--shadow);
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header */
.header { text-align: center; margin-bottom: 36px; }

.brand {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.header h1 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--color-text);
}

.header .subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 460px;
  margin: 0 auto;
}

/* Questions */
.question { margin-bottom: 28px; }

.question-label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
  line-height: 1.5;
}

.question-label .optional {
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* 0-10 Scale Rating */
.scale-rating {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 4px;
}

.scale-btn {
  appearance: none;
  padding: 12px 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--radius-xs);
  font-family: var(--font-stack);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.scale-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text);
  transform: translateY(-1px);
}

.scale-btn.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 18px var(--color-accent-glow);
}

.scale-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Text inputs & textareas */
textarea,
input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-stack);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

textarea { resize: vertical; min-height: 90px; }

textarea::placeholder,
input::placeholder { color: var(--color-text-muted); }

textarea:focus,
input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* Submit Button */
.submit-btn {
  display: block;
  width: 100%;
  padding: 18px 24px;
  margin-top: 12px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-stack);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.submit-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.submit-btn:active { transform: translateY(0); }

.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }

.submit-btn .btn-loading { display: none; }
.submit-btn.loading .btn-text { display: none; }
.submit-btn.loading .btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Validation */
.question.error .scale-rating {
  padding: 6px;
  border: 1px solid var(--color-error);
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.05);
}

.error-msg {
  display: none;
  font-size: 12px;
  color: var(--color-error);
  margin-top: 8px;
}

.question.error .error-msg { display: block; }

/* ============================================
   Thank You Pages
   ============================================ */

.thankyou-header { text-align: center; margin-bottom: 28px; }

.thankyou-icon { font-size: 52px; margin-bottom: 14px; line-height: 1; }

.thankyou-header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.thankyou-header p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

/* Review section (positive pages) */
.review-section {
  padding: 28px 24px;
  background: var(--color-accent-subtle);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.review-section .review-pitch {
  font-size: 15px;
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 18px;
  text-align: center;
}

.review-section .platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.draft-review { margin-bottom: 18px; }

.draft-review-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  text-align: left;
}

.draft-review textarea {
  min-height: 140px;
  background: var(--color-bg);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 10px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-hover);
  color: var(--color-text);
  border-radius: var(--radius-xs);
  font-family: var(--font-stack);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.copy-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
}

.copy-btn.copied {
  border-color: var(--color-success);
  color: var(--color-success);
}

.review-btn {
  display: block;
  width: 100%;
  padding: 16px 24px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.review-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

/* Footer */
.footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

.footer a:hover { color: #FB923C; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 620px) {
  .card {
    padding: 32px 20px;
    border-radius: 12px;
  }

  .header h1,
  .thankyou-header h1 { font-size: 24px; }

  .scale-rating { gap: 3px; }

  .scale-btn {
    padding: 10px 0;
    font-size: 12px;
  }

  .submit-btn {
    font-size: 15px;
    padding: 16px 20px;
  }

  .review-section { padding: 22px 18px; }
}