/* ── KidCast SK – Kid-friendly styles ── */

:root {
  --color-bg: #fffdf5;
  --color-surface: #ffffff;
  --color-primary: #ff8c00;
  --color-primary-dark: #e07800;
  --color-secondary: #ffd700;
  --color-accent: #4caf50;
  --color-accent-dark: #388e3c;
  --color-error: #d32f2f;
  --color-error-bg: #ffebee;
  --color-text: #1a1a1a;
  --color-text-muted: #555555;
  --color-border: #e0d6c8;
  --color-chip-bg: #fff3e0;
  --color-chip-hover: #ffe0b2;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --shadow: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --font-size-base: 18px;
  --font-size-lg: 22px;
  --font-size-xl: 28px;
  --font-size-xxl: 36px;
  --tap-target: 44px;
}

/* ── Reset & Base ── */

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

html { font-size: var(--font-size-base); -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Typography ── */

h1 { font-size: var(--font-size-xxl); font-weight: 800; }
h2 { font-size: var(--font-size-xl); font-weight: 700; }
p  { font-size: var(--font-size-base); }

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 140, 0, 0.35);
}

.btn-primary:hover  { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover { background: var(--color-chip-bg); }

.btn-small { min-height: 36px; padding: 6px 16px; font-size: 15px; }

.btn-full { width: 100%; }

/* ── Chips ── */

.chip {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-target);
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-chip-bg);
  color: var(--color-text);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
}

.chip:hover  { background: var(--color-chip-hover); transform: translateY(-1px); }
.chip:active { transform: translateY(1px); }

.history-chip {
  background: #e8f5e9;
  color: #2e7d32;
}

.history-chip:hover { background: #c8e6c9; }

.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── Forms ── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select {
  min-height: var(--tap-target);
  padding: 10px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}

/* ── Error box ── */

.error-box {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 2px solid #ef9a9a;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-top: 12px;
}

/* ── Loading ── */

.loading-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 24px 0;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 5px solid var(--color-chip-hover);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

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

/* ── App header ── */

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header h1 {
  flex: 1;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.app-logo { font-size: 32px; line-height: 1; }

.logout-form { margin-left: auto; }

/* ── Main content ── */

.app-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Sections ── */

.section-label {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

/* ── Create card ── */

.create-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}

/* ── Player card ── */

.player-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border-left: 6px solid var(--color-accent);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.episode-title {
  font-size: var(--font-size-xl);
  color: var(--color-accent-dark);
}

.audio-player {
  width: 100%;
  min-height: 54px;
  border-radius: var(--radius-md);
  outline: none;
}

.transcript-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 16px;
  padding: 8px 0;
  list-style: none;
}

.transcript-details summary::before {
  content: '▶ ';
}

.transcript-details[open] summary::before {
  content: '▼ ';
}

.transcript-text {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  white-space: pre-wrap;
  background: var(--color-bg);
  padding: 16px;
  border-radius: var(--radius-md);
}

/* ── History section ── */

.history-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Login page ── */

body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 50%, #ffe0b2 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 24px 16px;
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.login-logo { font-size: 56px; line-height: 1; }

.login-title {
  font-size: var(--font-size-xxl);
  color: var(--color-primary);
  margin-top: 8px;
}

.login-subtitle {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-bottom: 16px;
}

.login-form {
  width: 100%;
  margin-top: 16px;
}

/* ── Responsive ── */

@media (max-width: 480px) {
  :root {
    --font-size-base: 17px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-xxl: 30px;
  }

  .app-header { padding: 12px 16px; }
  .create-card, .player-card { padding: 18px 16px; }
  .login-card { padding: 32px 20px; }
}