/* Brand palette */
:root {
  --brand-primary: #5b00ae;
  --brand-secondary: #46a3ff;
  --brand-accent: #ffa042;
  --brand-surface: rgba(255, 255, 255, 0.96);
  --brand-border: rgba(91, 0, 174, 0.12);
  --brand-text: #1e2433;
}

body, html {
  height: 100%;
  margin: 0;
  font-family: "SF Pro Display", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at 16% 20%, rgba(70, 163, 255, 0.18), transparent 28%), radial-gradient(circle at 82% 12%, rgba(255, 160, 66, 0.14), transparent 28%), linear-gradient(180deg, #f7f9ff 0%, #f4f6fb 65%, #eef3ff 100%);
  color: var(--brand-text);
}

h1, h2, h3 {
  color: var(--brand-text);
  margin-top: 0;
}

.card {
  background-color: var(--brand-surface);
  border: 1px solid var(--brand-border);
  box-shadow: 0 10px 28px rgba(91, 0, 174, 0.06);
}

.card-header {
  background: linear-gradient(135deg, rgba(91, 0, 174, 0.08), rgba(70, 163, 255, 0.08));
  border-bottom: 1px solid var(--brand-border);
}

.login-container {
  max-width: 420px;
  margin: 48px auto;
  padding: 28px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 16px;
  border: 1px solid rgba(91, 0, 174, 0.18);
  box-shadow: 0 14px 36px rgba(70, 163, 255, 0.14), 0 0 0 1px rgba(91, 0, 174, 0.06);
}

.login-container h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.login-container h1,
.login-container label {
  color: var(--brand-text);
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #2c3447;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(70, 163, 255, 0.38);
  border-radius: 10px;
  background: rgba(70, 163, 255, 0.04);
  color: var(--brand-text);
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 4px rgba(70, 163, 255, 0.14);
}

.form-group input::placeholder {
  color: rgba(30, 36, 51, 0.52);
}

.login-container button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(120deg, var(--brand-primary), var(--brand-secondary));
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 12px 26px rgba(70, 163, 255, 0.24);
}

.login-container button:hover {
  background: linear-gradient(120deg, #6a00c8, #2f8eff);
  transform: translateY(-1px);
}

.content-editor {
  white-space: pre-wrap;
}

.error-message {
  background-color: rgba(255, 160, 66, 0.14);
  color: #9a4d00;
  padding: 10px 12px;
  border: 1px solid rgba(255, 160, 66, 0.4);
  border-radius: 6px;
  margin-bottom: 15px;
  text-align: center;
}

#results {
  background-color: #f4f7ff;
  color: #2c3447;
  padding: 15px;
  border-radius: 10px;
  border: 1px solid rgba(70, 163, 255, 0.24);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: "Fira Code", "Courier New", monospace;
  font-size: 14px;
  max-height: 400px;
  overflow-y: auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.hidden {
  display: none;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand-primary), var(--brand-secondary));
  border: none;
  box-shadow: 0 8px 20px rgba(70, 163, 255, 0.24);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  background: linear-gradient(120deg, #6a00c8, #2f8eff);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(70, 163, 255, 0.28);
}

.btn-outline-primary {
  border-color: var(--brand-secondary);
  color: var(--brand-secondary);
}

.btn-outline-primary:hover {
  background: var(--brand-secondary);
  color: #fff;
}

.table-striped>tbody>tr:nth-of-type(odd)>* {
  background-color: rgba(70, 163, 255, 0.04);
}

.table-hover tbody tr:hover {
  background-color: rgba(91, 0, 174, 0.06);
}

/* Micro animations for main flow pages */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes softGlow {
  0% { box-shadow: 0 0 0 0 rgba(70, 163, 255, 0.24); }
  100% { box-shadow: 0 0 0 12px rgba(70, 163, 255, 0); }
}

@keyframes floatSlow {
  0% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

.anim-fade-up {
  animation: fadeUp 0.7s ease both;
}

.anim-glow {
  animation: softGlow 1.6s ease-out infinite;
}

.anim-float {
  animation: floatSlow 6s ease-in-out infinite;
}