/* ═══════════════════════════════════════════════
   IJEN SPA — Base component system
   Depends on: tokens.css
   Naming: c-{component}__{part}--{modifier}
   ═══════════════════════════════════════════════ */

/* ═══════════ CONTAINER ═══════════ */
.c-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-px-desktop);
}
@media (max-width: 820px) {
  .c-container { padding-inline: var(--container-px-mobile); }
}

/* ═══════════ BUTTON ═══════════ */
.c-btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 56px;
  padding: 0 var(--space-8);
  border: 1px solid transparent;
  border-radius: var(--r-button);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
  user-select: none;
  white-space: nowrap;
}
@media (max-width: 640px) { .c-btn { height: 52px; } }
.c-btn:disabled, .c-btn[disabled] { opacity: 0.45; pointer-events: none; }
.c-btn:focus-visible { outline: none; box-shadow: var(--shadow-ring); }

/* Primary — ember fill */
.c-btn--primary {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--text-inverse);
}
.c-btn--primary:hover {
  background: var(--ember-bright);
  border-color: var(--ember-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(198,134,84,0.25);
}
.c-btn--primary:active { background: var(--ember-deep); border-color: var(--ember-deep); transform: none; box-shadow: none; }

/* Secondary — outlined on dark */
.c-btn--secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.c-btn--secondary:hover {
  border-color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}
.c-btn--secondary:active { border-color: var(--ember); color: var(--ember); }

/* Tertiary — text only */
.c-btn--tertiary {
  height: auto;
  padding: var(--space-2) 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0.5px;
  font-weight: 500;
}
.c-btn--tertiary:hover { color: var(--ember); }

/* Size modifiers */
.c-btn--sm { height: 40px; padding: 0 var(--space-5); font-size: 12px; letter-spacing: 2px; }
.c-btn--lg { height: 64px; padding: 0 var(--space-10); font-size: 16px; }

/* ═══════════ CARD ═══════════ */
.c-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: linear-gradient(180deg, var(--bg-surface-2) 0%, rgba(23,18,10,0.4) 100%);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  transition: transform var(--t-panel), border-color var(--t-panel), box-shadow var(--t-panel);
}
@media (max-width: 640px) { .c-card { padding: var(--space-6); } }
@media (hover: hover) {
  .c-card:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-hover); }
}

/* Featured — stronger hierarchy, warm tint */
.c-card--featured {
  background: linear-gradient(135deg, var(--ember-glow) 0%, var(--bg-surface-2) 60%);
  border-color: var(--border-warm);
  padding: var(--space-10);
}
@media (max-width: 640px) { .c-card--featured { padding: var(--space-8); } }

/* Selectable — for treatment/oil/addon picks */
.c-card--selectable { cursor: pointer; position: relative; }
.c-card--selectable.is-selected {
  border-color: var(--ember);
  box-shadow: var(--shadow-glow);
}
.c-card--selectable.is-selected::after {
  content: '✓';
  position: absolute;
  top: 14px; right: 14px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--ember);
  color: var(--text-inverse);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ═══════════ CHIP ═══════════ */
.c-chip {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 var(--space-4);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-chip);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base);
  -webkit-appearance: none;
  appearance: none;
  white-space: nowrap;
}
.c-chip:hover { border-color: var(--border-strong); color: var(--text-primary); }
.c-chip.is-selected {
  background: var(--ember-glow);
  border-color: var(--ember);
  color: var(--ember);
}

.c-chip--tag {
  height: 26px;
  padding: 0 var(--space-3);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: default;
}
.c-chip--tag.is-warm { color: var(--ember); border-color: rgba(198,134,84,0.4); }

.c-chip--summary {
  height: 28px;
  padding: 0 var(--space-3);
  font-size: 12px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  cursor: default;
}

/* ═══════════ INPUT ═══════════ */
.c-input, .c-textarea, .c-select {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 52px;
  padding: 0 var(--space-4);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-button);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px; /* 16 avoids iOS zoom on focus */
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.c-textarea { height: auto; min-height: 120px; padding: var(--space-4); resize: vertical; }
.c-input:focus, .c-textarea:focus, .c-select:focus {
  outline: none;
  border-color: var(--ember);
  box-shadow: var(--shadow-ring);
}
.c-input.is-error { border-color: var(--state-danger); }

.c-label {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.c-helper {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
}
.c-helper.is-error { color: var(--state-danger); }

/* ═══════════ PROGRESS ═══════════ */
.c-progress {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.c-progress__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ember) 0%, var(--ember-bright) 100%);
  transition: width var(--t-panel);
}

.c-step-count {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ═══════════ ROW / STACK utilities ═══════════ */
.c-row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.c-stack { display: flex; flex-direction: column; gap: var(--space-3); }

/* ═══════════ META dot-separated row ═══════════ */
.c-meta {
  display: inline-flex;
  align-items: center;
  gap: 0;
  list-style: none;
  padding: 0; margin: 0;
  font-size: var(--fs-meta);
  color: var(--text-muted);
}
.c-meta > * { padding: 0 var(--space-4); position: relative; }
.c-meta > * + *::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim);
}
.c-meta > *:first-child { padding-left: 0; }
.c-meta > *:last-child { padding-right: 0; }

/* ═══════════ EYEBROW / SECTION LABEL ═══════════ */
.c-eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ember);
}

/* ═══════════ DIVIDER ═══════════ */
.c-divider {
  width: 48px;
  height: 1px;
  background: var(--ember);
  opacity: 0.28;
  border: none;
  margin: var(--space-6) auto;
}

/* ═══════════ INFO ROW (contact item) ═══════════ */
.c-info {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-faint);
}
.c-info:last-child { border-bottom: none; }
.c-info__label {
  font-family: var(--font-display);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: var(--space-1);
}
.c-info__value {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  color: var(--text-primary);
  line-height: var(--lh-body);
}
.c-info__value a { color: inherit; text-decoration: none; transition: color var(--t-base); }
.c-info__value a:hover { color: var(--ember); }