/* ── Components — reusable atoms ──────────────────────────────────── */

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background 160ms ease, border-color 160ms ease, transform 80ms ease, box-shadow 160ms ease, color 160ms ease;
  background: transparent;
  color: var(--ink-50);
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--sh-focus); }

.btn-sm { padding: 6px 10px; font-size: 12px; border-radius: var(--r-sm); }
.btn-lg { padding: 13px 20px; font-size: 14.5px; border-radius: var(--r-md); }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(180deg, var(--brand-400), var(--brand-500));
  color: #1a0f00;
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 1px 0 rgba(255,255,255,0.20) inset, 0 6px 18px var(--brand-glow);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--brand-300), var(--brand-400));
  box-shadow: 0 1px 0 rgba(255,255,255,0.28) inset, 0 8px 26px var(--brand-glow-strong);
}
[data-btn="softglow"] .btn-primary {
  background: var(--brand-glow);
  color: var(--brand-300);
  border-color: var(--line-accent);
  box-shadow: 0 0 0 1px var(--line-accent), 0 0 28px var(--brand-glow);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--ink-50);
  border-color: var(--line-default);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--surface-3);
  border-color: var(--line-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-100);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--ink-0);
}

.btn-pix {
  background: linear-gradient(180deg, var(--pix-400), var(--pix-500));
  color: #001f1c;
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 1px 0 rgba(255,255,255,0.20) inset, 0 6px 18px var(--pix-glow);
}
.btn-pix:hover:not(:disabled) { filter: brightness(1.05); }

.btn-success-pulse { animation: btnPulse 360ms ease-out; }
@keyframes btnPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* ── Tags / pills ────────────────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  background: var(--surface-3);
  color: var(--ink-100);
  border: 1px solid var(--line-soft);
  text-transform: uppercase;
}
.tag-success { background: var(--success-glow); color: var(--success-400); border-color: rgba(52,211,153,0.3); }
.tag-info    { background: var(--info-glow); color: var(--info-400); border-color: rgba(96,165,250,0.3); }
.tag-brand   { background: var(--brand-glow); color: var(--brand-300); border-color: var(--line-accent); }
.tag-pix     { background: var(--pix-glow); color: var(--pix-400); border-color: rgba(77,217,200,0.32); text-transform: none; }

/* ── Form fields ─────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-row-2-1 { display: grid; grid-template-columns: 1fr 90px; gap: 12px; }
.field-label {
  font-size: 12px; font-weight: 600; color: var(--ink-100);
  letter-spacing: -0.005em;
}
.field-hint { font-size: 11.5px; color: var(--ink-300); margin-top: 2px; }
.field-error {
  font-size: 11.5px; color: var(--error-400);
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 2px;
}
.input, .select {
  appearance: none;
  width: 100%;
  padding: 11px 13px;
  background: var(--surface-input);
  border: 1px solid var(--line-default);
  border-radius: var(--r-md);
  color: var(--ink-0);
  font-size: 13.5px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.input::placeholder { color: var(--ink-400); }
.input:hover { border-color: var(--line-strong); }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--brand-400);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--brand-glow);
}
.input.has-error {
  border-color: var(--error-500);
  box-shadow: 0 0 0 3px var(--error-glow);
}
.select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-200) 50%),
                    linear-gradient(135deg, var(--ink-200) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
}

.check, .radio {
  appearance: none;
  width: 16px; height: 16px;
  border: 1.5px solid var(--line-strong);
  background: var(--surface-input);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 140ms, background 140ms;
}
.check { border-radius: 4px; }
.radio { border-radius: 50%; }
.check:checked, .radio:checked {
  background: var(--brand-400);
  border-color: var(--brand-400);
}
.check:checked {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231a0f00' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3 8.5 7 12 13 5'/></svg>");
  background-size: 12px 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.radio:checked { box-shadow: inset 0 0 0 4px var(--surface-input); }

/* ── Switch / segmented control ──────────────────────────────────── */
.switch-row {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  padding: 4px;
  border-radius: 999px;
  gap: 2px;
}
.switch-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  background: transparent;
  border: 0;
  color: var(--ink-200);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 160ms, color 160ms;
}
.switch-opt:hover { color: var(--ink-50); }
.switch-opt.active {
  background: var(--surface-3);
  color: var(--ink-0);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 1px 4px rgba(0,0,0,0.4);
}
[data-theme="light"] .switch-opt.active { box-shadow: var(--sh-sm); background: #fff; }

.save-tag {
  font-size: 9.5px; font-weight: 700;
  background: var(--success-glow);
  color: var(--success-400);
  padding: 2px 6px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

/* ── Toast ───────────────────────────────────────────────────────── */
.toast-host {
  position: fixed;
  top: 76px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
  pointer-events: none;
  max-width: 380px;
}
.toast {
  pointer-events: auto;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 14px 14px 16px;
  background: var(--surface-elevated);
  border: 1px solid var(--line-default);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  animation: toastIn 240ms cubic-bezier(.2,.9,.3,1.2);
  font-size: 13px;
  min-width: 280px;
}
.toast-out { animation: toastOut 220ms ease-in forwards; }
@keyframes toastIn  { from { opacity: 0; transform: translateY(-12px) scale(0.95); } }
@keyframes toastOut { to   { opacity: 0; transform: translateY(-8px) scale(0.96); } }
.toast-icon { display: flex; flex-shrink: 0; padding-top: 1px; }
.toast-title { font-weight: 600; color: var(--ink-0); margin-bottom: 2px; }
.toast-msg   { color: var(--ink-200); font-size: 12.5px; line-height: 1.45; }
.toast-success .toast-icon { color: var(--success-400); }
.toast-success { border-left: 3px solid var(--success-400); }
.toast-error   .toast-icon { color: var(--error-400); }
.toast-error   { border-left: 3px solid var(--error-400); }
.toast-warn    .toast-icon { color: var(--brand-300); }
.toast-warn    { border-left: 3px solid var(--brand-300); }
.toast-info    .toast-icon { color: var(--info-400); }
.toast-info    { border-left: 3px solid var(--info-400); }