/* ============================================================
   COMPONENTS.CSS — Buttons, Cards, Badges, Callouts, Forms
   ============================================================ */

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2px;
  padding: 14px 32px;
  border-radius: 0;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--cream);
}
.btn-primary:hover { background: var(--ink); }

.btn-ghost {
  background: transparent;
  color: var(--mid);
  padding: 14px 0;
}
.btn-ghost::after { content: ' →'; }
.btn-ghost:hover { color: var(--accent); }

.btn-dark {
  background: var(--ink);
  color: var(--cream);
}
.btn-dark:hover { background: var(--accent); }

.btn-outline {
  background: transparent;
  color: var(--cream);
  border: 1.5px solid var(--cream);
  padding: 13px 31px;
}
.btn-outline:hover { background: var(--cream); color: var(--ink); }

.btn-sm {
  font-size: 13px;
  padding: 10px 20px;
}
.btn-nav {
  background: var(--ink);
  color: var(--cream);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
}
.btn-nav:hover { background: var(--accent); }

/* --- DEMO CARD --- */
.demo-card {
  background: var(--ink);
  border: 1px solid #2a2420;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.demo-card:hover {
  transform: translateY(-3px);
  border-color: var(--warm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.demo-card__preview {
  height: 180px;
  position: relative;
  overflow: hidden;
}
.demo-card__preview--finance  { background: linear-gradient(135deg, #1a2f1e 0%, #2d4a23 100%); }
.demo-card__preview--research { background: linear-gradient(135deg, #1a1f2e 0%, #1e2d4a 100%); }
.demo-card__preview--work     { background: linear-gradient(135deg, #2e1a1a 0%, #4a1e1e 100%); }
.demo-card__preview--personal { background: linear-gradient(135deg, #1e1a2e 0%, #2a1f4a 100%); }
.demo-card__preview--dashboard{ background: linear-gradient(135deg, #1a2a2e 0%, #1e3a4a 100%); }
.demo-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.demo-card__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 10px;
}
.demo-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--cream);
  margin-bottom: 10px;
}
.demo-card__desc {
  font-size: 14px;
  color: rgba(247,243,237,0.6);
  line-height: 1.6;
  flex: 1;
}
.demo-card__footer {
  padding: 16px 24px;
  border-top: 1px solid #2a2420;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.demo-card__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(247,243,237,0.4);
  letter-spacing: 1px;
}
.demo-card__cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--warm);
}
.demo-card__cta::after { content: ' →'; }
.demo-card:hover .demo-card__cta { color: var(--accent); }

/* --- WHO CARD --- */
.who-card {
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: 32px 28px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.who-card:hover {
  background: var(--light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.who-card__icon { font-size: 36px; margin-bottom: 16px; }
.who-card__title { font-weight: 700; font-size: 17px; margin-bottom: 8px; }
.who-card__desc  { font-size: 14px; color: var(--mid); line-height: 1.6; }

/* --- USE CASE ITEM --- */
.use-case-item {
  background: var(--light);
  border-left: 3px solid var(--warm);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 12px;
}
.use-case-item__title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
}
.use-case-item__desc {
  font-size: 14px;
  color: var(--mid);
  margin-bottom: 12px;
}
.use-case-item__prompt {
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  line-height: 1.6;
  position: relative;
}
.use-case-item__copy {
  position: absolute;
  top: 8px;
  right: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--mid);
  background: var(--light);
  border: 1px solid var(--rule);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.use-case-item__copy:hover {
  background: var(--accent);
  color: var(--cream);
  border-color: var(--accent);
}

/* --- BADGE / TAG --- */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  font-weight: 500;
}
.badge--accent  { background: rgba(232,93,47,0.15); color: var(--accent); }
.badge--warm    { background: rgba(200,135,58,0.15); color: var(--warm); }
.badge--sage    { background: rgba(74,124,111,0.15); color: var(--sage); }
.badge--ink     { background: rgba(26,21,16,0.1);   color: var(--ink); }

/* --- PROMPT COMPARISON BLOCK --- */
.prompt-block {
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.65;
}
.prompt-block--weak {
  background: rgba(200,50,50,0.06);
  border-left: 3px solid #c23232;
}
.prompt-block--strong {
  background: rgba(74,124,111,0.08);
  border-left: 3px solid var(--sage);
}
.prompt-block__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.prompt-block--weak   .prompt-block__label { color: #c23232; }
.prompt-block--strong .prompt-block__label { color: var(--sage); }

/* --- LESSON CARD (Prompt School) --- */
.lesson-card {
  padding: 20px 24px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--cream);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}
.lesson-card:hover { border-color: var(--accent); background: var(--light); }
.lesson-card.active {
  border-color: var(--accent);
  background: var(--light);
  border-left-width: 3px;
}
.lesson-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  min-width: 28px;
  padding-top: 2px;
}
.lesson-card__title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.lesson-card__desc  { font-size: 13px; color: var(--mid); }

/* --- FORM ELEMENTS --- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  transition: border-color var(--transition);
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-textarea { min-height: 120px; resize: vertical; }

/* --- CALLOUT --- */
.callout {
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.6;
}
.callout--info    { background: rgba(74,124,111,0.08); border-left: 3px solid var(--sage); }
.callout--warning { background: rgba(200,135,58,0.1);  border-left: 3px solid var(--warm); }
.callout--accent  { background: rgba(232,93,47,0.08);  border-left: 3px solid var(--accent); }

/* --- LOADING SPINNER --- */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(247,243,237,0.3);
  border-top-color: var(--cream);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- COPY BUTTON FEEDBACK --- */
.copy-btn.copied { background: var(--sage) !important; color: var(--cream) !important; }