/* ============================================================
   Bao.buzz — Reusable components
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 22px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn[disabled],
.btn.is-loading { opacity: 0.7; cursor: not-allowed; transform: none !important; }

.btn-primary {
  background: var(--ink-0);
  color: var(--bg-0);
  box-shadow: 0 8px 24px -8px rgba(20, 20, 28, 0.4);
}
.btn-primary:hover { box-shadow: 0 12px 32px -8px rgba(20, 20, 28, 0.5); }

.btn-accent {
  background: var(--pastel-orange);
  color: #1A0E08;
  box-shadow: 0 8px 24px -8px rgba(226, 106, 44, 0.5);
}
.btn-accent:hover {
  background: var(--pastel-orange-deep);
  color: #FFFFFF;
  box-shadow: 0 14px 36px -8px rgba(226, 106, 44, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-0);
  border-color: var(--stroke-strong);
}
.btn-ghost:hover {
  background: var(--bg-2);
  border-color: var(--ink-0);
}

.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-lg { padding: 18px 28px; font-size: 16px; }

.btn .arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Pills / tags ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--text-tag);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-1);
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  white-space: nowrap;
}
.pill-blue { color: var(--pastel-blue-deep); background: rgba(111, 161, 255, 0.12); border-color: rgba(111, 161, 255, 0.3); }
.pill-orange { color: var(--pastel-orange-deep); background: rgba(255, 138, 76, 0.14); border-color: rgba(255, 138, 76, 0.3); }
.pill-yellow { color: #8A6500; background: rgba(255, 209, 92, 0.22); border-color: rgba(255, 209, 92, 0.5); }
.pill-success { color: var(--success); background: rgba(79, 182, 122, 0.12); border-color: rgba(79, 182, 122, 0.3); }

[data-theme="dark"] .pill-blue { color: var(--pastel-blue-soft); }
[data-theme="dark"] .pill-orange { color: var(--pastel-orange-soft); }
[data-theme="dark"] .pill-yellow { color: var(--pastel-yellow-soft); }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-1);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--stroke-strong);
}

/* ---------- Form elements ---------- */
.field {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.field > label {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--ink-1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.field > label .req { color: var(--pastel-orange-deep); }
.field .help { font-size: 12px; color: var(--ink-2); }
.field .err {
  font-size: 12px;
  color: var(--danger);
  display: none;
}
.field.has-error .err { display: block; }

.input,
.textarea,
.select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-1);
  border: 1px solid var(--stroke-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-0);
  font-size: 15px;
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
.textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
.input:focus,
.textarea:focus,
.select:focus {
  outline: 0;
  border-color: var(--pastel-blue);
  box-shadow: 0 0 0 4px var(--stroke-focus);
}
.field.has-error .input,
.field.has-error .textarea,
.field.has-error .select { border-color: var(--danger); }

.input::placeholder,
.textarea::placeholder { color: var(--ink-2); opacity: 1; }

.radios,
.checks {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip {
  position: relative;
}
.chip input {
  position: absolute; opacity: 0; pointer-events: none;
}
.chip span {
  display: inline-block;
  padding: 10px 16px;
  background: var(--bg-1);
  border: 1px solid var(--stroke-strong);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-1);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  user-select: none;
}
.chip:hover span { border-color: var(--ink-1); color: var(--ink-0); }
.chip input:checked + span {
  background: var(--ink-0);
  color: var(--bg-0);
  border-color: var(--ink-0);
}
.chip input:focus-visible + span {
  box-shadow: 0 0 0 4px var(--stroke-focus);
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  z-index: 100;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.modal.is-open { display: flex; opacity: 1; }
.modal-body {
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  background: var(--bg-1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: 0 40px 100px -10px rgba(0,0,0,0.5);
}
.modal-close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  z-index: 2;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-1);
  border: 1px solid var(--stroke-strong);
  display: grid; place-items: center;
  color: var(--ink-0);
  font-size: 20px;
}
.modal-close:hover { background: var(--bg-2); }
.modal iframe {
  width: 100%;
  height: 80vh;
  border: 0;
  background: white;
}

/* ---------- Browser-frame chrome around iframes ---------- */
.frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--stroke);
  position: relative;
}
.frame-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--stroke);
}
.frame-dots {
  display: inline-flex; gap: 6px;
}
.frame-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--stroke-strong);
}
.frame-dots span:nth-child(1) { background: #FF6058; }
.frame-dots span:nth-child(2) { background: #FFBD2E; }
.frame-dots span:nth-child(3) { background: #29C940; }
.frame-url {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  background: var(--bg-1);
  border: 1px solid var(--stroke);
  padding: 4px 10px;
  border-radius: 999px;
  max-width: 260px;
  margin-inline: auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Decorative shapes ---------- */
.shape {
  position: absolute;
  pointer-events: none;
  opacity: 0.55;
  filter: blur(0.3px);
  transition: transform var(--dur-slow) var(--ease-out);
}
[data-theme="dark"] .shape { opacity: 0.45; }

/* Animated underline */
.wave-divider {
  width: 100%;
  height: 28px;
  display: block;
  color: var(--pastel-blue);
  opacity: 0.4;
}