/**
 * CHECKOUT.CSS — Yampi-style checkout
 * Mobile-first · Cards arredondados · Moderno e limpo
 * @version 1.0.0
 */

/* ══════════════════════════════════════
   RESET & BASE
   ══════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: #1a1d21;
  background: var(--ck-bg, #f4f5f7);
  min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; }
input, select, textarea { font: inherit; }

/* ══════════════════════════════════════
   CSS VARIABLES (overridden by config)
   ══════════════════════════════════════ */

:root {
  --ck-bg: #f0f2f5;
  --ck-surface: #ffffff;
  --ck-primary: #007bff;
  --ck-primary-hover: color-mix(in srgb, var(--ck-primary) 82%, #000);
  --ck-primary-soft: color-mix(in srgb, var(--ck-primary) 7%, transparent);
  --ck-accent: #28a745;
  --ck-text: #111827;
  --ck-text-secondary: #5f6b7a;
  --ck-text-muted: #94a3b8;
  --ck-border: #e2e8f0;
  --ck-border-focus: var(--ck-primary);
  --ck-danger: #ef4444;
  --ck-success: #22c55e;
  --ck-warning: #f59e0b;
  --ck-radius: 16px;
  --ck-radius-sm: 12px;
  --ck-radius-xs: 8px;
  --ck-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --ck-shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --ck-shadow-hover: 0 4px 16px rgba(0,0,0,0.08);
  --ck-transition: 0.2s ease;
  --ck-max-width: 1120px;
}

/* ══════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════ */

.ck-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.ck-header {
  background: #fff;
  border-bottom: 1px solid var(--ck-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.ck-header__accent {
  height: 3px;
  background: var(--ck-primary);
}

.ck-header__inner {
  max-width: var(--ck-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
}

.ck-header__logo {
  height: 36px;
  max-width: 180px;
  object-fit: contain;
}

.ck-header__logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--ck-text);
  letter-spacing: -0.03em;
}

.ck-header__secure {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ck-text-muted);
  font-weight: 500;
}

.ck-header__secure svg {
  color: var(--ck-text-muted);
  flex-shrink: 0;
}

.ck-main {
  flex: 1;
  max-width: var(--ck-max-width);
  margin: 0 auto;
  padding: 16px;
  width: 100%;
}

/* Mobile: stacked, summary on top */
.ck-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ck-col-form { order: 2; }
.ck-col-summary { order: 1; }

.ck-footer {
  background: var(--ck-surface);
  border-top: 1px solid var(--ck-border);
  padding: 28px 20px 24px;
  margin-top: auto;
}

.ck-footer__security {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.ck-footer__shield {
  color: var(--ck-success);
  flex-shrink: 0;
  margin-top: 1px;
}

.ck-footer__security-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ck-text-secondary);
  line-height: 1.4;
}

.ck-footer__security-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--ck-text-muted);
}

.ck-footer__brands {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.ck-footer__card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--ck-border);
  background: var(--ck-bg);
  font-size: 11px;
  font-weight: 600;
  color: var(--ck-text-muted);
  letter-spacing: 0.03em;
  user-select: none;
}

.ck-footer__card--pix {
  color: #32BCAD;
  border-color: color-mix(in srgb, #32BCAD 25%, var(--ck-border));
}

/* ══════════════════════════════════════
   CARDS
   ══════════════════════════════════════ */

.ck-card {
  background: var(--ck-surface);
  border-radius: var(--ck-radius);
  box-shadow: var(--ck-shadow);
  overflow: hidden;
  border: 1px solid var(--ck-border);
  transition: box-shadow var(--ck-transition);
}

.ck-card + .ck-card {
  margin-top: 20px;
}

.ck-card__header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--ck-border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(to bottom, rgba(248,250,252,0.5), transparent);
}

.ck-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ck-primary-soft);
  color: var(--ck-primary);
  flex-shrink: 0;
}

.ck-card__icon svg {
  flex-shrink: 0;
}

.ck-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ck-text);
  letter-spacing: -0.01em;
}

.ck-card__step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ck-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px color-mix(in srgb, var(--ck-primary) 30%, transparent);
}

.ck-card__body {
  padding: 24px;
}

.ck-card--collapsed .ck-card__body {
  display: none;
}

.ck-card--completed .ck-card__header {
  opacity: 0.6;
}

.ck-card--completed .ck-card__step-num {
  background: var(--ck-success);
}

/* ══════════════════════════════════════
   STEP INDICATOR (multi-step only)
   ══════════════════════════════════════ */

.ck-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 0;
  gap: 0;
}

.ck-stepper__step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ck-text-muted);
  transition: color var(--ck-transition);
  white-space: nowrap;
}

.ck-stepper__step.is-active {
  color: var(--ck-primary);
}

.ck-stepper__step.is-done {
  color: var(--ck-success);
}

.ck-stepper__dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--ck-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--ck-text-muted);
  background: var(--ck-surface);
  transition: all var(--ck-transition);
  flex-shrink: 0;
}

.ck-stepper__step.is-active .ck-stepper__dot {
  border-color: var(--ck-primary);
  background: var(--ck-primary);
  color: #fff;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ck-primary) 30%, transparent);
}

.ck-stepper__step.is-done .ck-stepper__dot {
  border-color: var(--ck-success);
  background: var(--ck-success);
  color: #fff;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ck-success) 25%, transparent);
}

.ck-stepper__line {
  width: 32px;
  height: 2px;
  background: var(--ck-border);
  margin: 0 4px;
  flex-shrink: 0;
  transition: background var(--ck-transition);
}

.ck-stepper__line.is-done {
  background: var(--ck-success);
}

.ck-stepper__label {
  display: none;
}

/* ══════════════════════════════════════
   FORM ELEMENTS
   ══════════════════════════════════════ */

.ck-form-group {
  margin-bottom: 18px;
}

.ck-form-row {
  display: grid;
  gap: 14px;
}

.ck-form-row--2 { grid-template-columns: 1fr 1fr; }
.ck-form-row--3 { grid-template-columns: 1fr 1fr 1fr; }
.ck-form-row--auto { grid-template-columns: auto 1fr; }

.ck-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ck-text);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.ck-label--required::after {
  content: ' *';
  color: var(--ck-danger);
}

.ck-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d0d5dd;
  border-radius: var(--ck-radius-xs);
  background: #fff;
  color: var(--ck-text);
  font-size: 15px;
  transition: border-color var(--ck-transition), box-shadow var(--ck-transition);
  -webkit-appearance: none;
  appearance: none;
}

.ck-input::placeholder {
  color: #b0b8c4;
}

.ck-input:hover:not(:focus):not(.ck-input--error) {
  border-color: #adb5bd;
}

.ck-input:focus {
  outline: none;
  border-color: var(--ck-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ck-primary) 10%, transparent);
}

.ck-input--error {
  border-color: var(--ck-danger);
}

.ck-input--error:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ck-danger) 15%, transparent);
}

.ck-input--success {
  border-color: var(--ck-success);
}

select.ck-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.ck-error-msg {
  font-size: 12px;
  color: var(--ck-danger);
  margin-top: 4px;
  display: none;
}

.ck-error-msg.is-visible { display: block; }

.ck-hint {
  font-size: 12px;
  color: var(--ck-text-muted);
  margin-top: 4px;
}

/* ══════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════ */

.ck-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--ck-radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--ck-transition);
  white-space: nowrap;
  min-height: 48px;
  letter-spacing: 0.01em;
}

.ck-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ck-btn--primary {
  background: var(--ck-primary);
  color: #fff;
  width: 100%;
  font-size: 16px;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--ck-primary) 25%, transparent);
  min-height: 52px;
}

.ck-btn--primary:hover:not(:disabled) {
  background: var(--ck-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--ck-primary) 30%, transparent);
}

.ck-btn--primary:active:not(:disabled) {
  transform: translateY(0);
}

.ck-btn--outline {
  background: transparent;
  border: 1.5px solid var(--ck-border);
  color: var(--ck-text);
}

.ck-btn--outline:hover:not(:disabled) {
  border-color: var(--ck-primary);
  color: var(--ck-primary);
}

.ck-btn--ghost {
  background: transparent;
  border: none;
  color: var(--ck-primary);
  padding: 8px 12px;
  min-height: auto;
}

.ck-btn--ghost:hover:not(:disabled) {
  background: color-mix(in srgb, var(--ck-primary) 8%, transparent);
}

.ck-btn--sm {
  padding: 8px 16px;
  font-size: 13px;
  min-height: 36px;
}

.ck-btn__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: ck-spin 0.6s linear infinite;
}

@keyframes ck-spin {
  to { transform: rotate(360deg); }
}

/* Navigation buttons (multi-step) */
.ck-nav-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 8px;
}

.ck-nav-buttons .ck-btn--primary {
  flex: 1;
}

/* ══════════════════════════════════════
   ORDER SUMMARY
   ══════════════════════════════════════ */

.ck-summary {
  background: var(--ck-surface);
  border-radius: var(--ck-radius);
  box-shadow: var(--ck-shadow);
  overflow: hidden;
  border: 1px solid var(--ck-border);
}

.ck-summary__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ck-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--ck-text);
}

.ck-summary__toggle-icon {
  transition: transform var(--ck-transition);
}

.ck-summary.is-open .ck-summary__toggle-icon {
  transform: rotate(180deg);
}

.ck-summary__body {
  display: none;
  padding: 0;
}

.ck-summary.is-open .ck-summary__body {
  display: block;
}

.ck-summary__items {
  padding: 16px 20px;
}

.ck-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}

.ck-item + .ck-item {
  border-top: 1px solid var(--ck-border);
}

.ck-item__img {
  width: 64px;
  height: 64px;
  border-radius: var(--ck-radius-xs);
  object-fit: cover;
  background: var(--ck-bg);
  flex-shrink: 0;
  border: 1px solid var(--ck-border);
}

.ck-item__img-placeholder {
  width: 64px;
  height: 64px;
  border-radius: var(--ck-radius-xs);
  background: linear-gradient(135deg, var(--ck-bg) 0%, #e8ecf1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ck-text-muted);
  font-size: 22px;
  border: 1px solid var(--ck-border);
}

.ck-item__info {
  flex: 1;
  min-width: 0;
}

.ck-item__name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ck-text);
}

.ck-item__meta {
  font-size: 13px;
  color: var(--ck-text-secondary);
  margin-top: 3px;
}

.ck-item__price {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  color: var(--ck-text);
}

/* Totals */
.ck-totals {
  padding: 14px 20px 18px;
  border-top: 1px solid var(--ck-border);
}

.ck-totals__row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  font-size: 14px;
}

.ck-totals__row--discount {
  color: var(--ck-success);
}

.ck-totals__row--total {
  font-size: 18px;
  font-weight: 700;
  padding-top: 12px;
  margin-top: 10px;
  border-top: 2px solid var(--ck-border);
  letter-spacing: -0.02em;
}

.ck-totals__label {
  color: var(--ck-text-secondary);
}

.ck-totals__row--total .ck-totals__label {
  color: var(--ck-text);
}

/* Coupon */
.ck-coupon {
  padding: 14px 20px;
  border-top: 1px solid var(--ck-border);
}

.ck-coupon__row {
  display: flex;
  gap: 8px;
}

.ck-coupon__row .ck-input {
  flex: 1;
  padding: 10px 12px;
  font-size: 13px;
}

.ck-coupon__applied {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--ck-success) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--ck-success) 18%, transparent);
  border-radius: var(--ck-radius-xs);
  font-size: 13px;
  color: #15803d;
  font-weight: 500;
}

/* ══════════════════════════════════════
   SHIPPING OPTIONS
   ══════════════════════════════════════ */

.ck-shipping-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.ck-ship-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid #d0d5dd;
  border-radius: var(--ck-radius-xs);
  cursor: pointer;
  transition: all var(--ck-transition);
}

.ck-ship-opt:hover {
  border-color: #adb5bd;
}

.ck-ship-opt.is-selected {
  border-color: var(--ck-primary);
  border-width: 2px;
  padding: 15px;
  background: var(--ck-primary-soft);
}

.ck-ship-opt input[type="radio"] {
  accent-color: var(--ck-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.ck-ship-opt__info {
  flex: 1;
}

.ck-ship-opt__name {
  font-size: 14px;
  font-weight: 500;
}

.ck-ship-opt__eta {
  font-size: 12px;
  color: var(--ck-text-secondary);
  margin-top: 2px;
}

.ck-ship-opt__price {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.ck-ship-opt__price--free {
  color: var(--ck-success);
}

/* ══════════════════════════════════════
   PAYMENT METHODS
   ══════════════════════════════════════ */

.ck-pay-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.ck-pay-tabs::-webkit-scrollbar { display: none; }

.ck-pay-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid #d0d5dd;
  border-radius: var(--ck-radius-xs);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--ck-text-secondary);
  transition: all var(--ck-transition);
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.ck-pay-tab:hover {
  border-color: #adb5bd;
  color: var(--ck-text);
  background: #fafbfc;
}

.ck-pay-tab.is-active {
  border-color: var(--ck-primary);
  border-width: 2px;
  padding: 11px 19px;
  background: var(--ck-primary-soft);
  color: var(--ck-primary);
  font-weight: 600;
}

.ck-pay-body {
  display: none;
}

.ck-pay-body.is-active {
  display: block;
}

/* Payment note panels (PIX / Boleto) */
.ck-pay-note {
  padding: 16px 18px;
  border-radius: var(--ck-radius-xs);
  border-left: 3px solid var(--ck-border);
  background: var(--ck-bg);
  margin: 4px 0;
}

.ck-pay-note--pix {
  border-left-color: #32BCAD;
}

.ck-pay-note--boleto {
  border-left-color: var(--ck-text-muted);
}

.ck-pay-note__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ck-text);
  margin-bottom: 4px;
}

.ck-pay-note__desc {
  font-size: 13px;
  color: var(--ck-text-secondary);
  line-height: 1.6;
}

/* Card form */
.ck-card-preview {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--ck-radius-sm);
  padding: 20px;
  color: #fff;
  margin-bottom: 16px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}

.ck-card-preview__number {
  font-size: 16px;
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

.ck-card-preview__row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  text-transform: uppercase;
}

/* PIX section */
.ck-pix {
  text-align: center;
  padding: 20px 0;
}

.ck-pix__qr {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  border-radius: var(--ck-radius-xs);
}

.ck-pix__code {
  background: var(--ck-bg);
  padding: 12px;
  border-radius: var(--ck-radius-xs);
  font-size: 12px;
  font-family: monospace;
  word-break: break-all;
  color: var(--ck-text-secondary);
  margin-bottom: 12px;
}

.ck-pix__timer {
  font-size: 14px;
  color: var(--ck-warning);
  font-weight: 600;
}

/* Boleto section */
.ck-boleto {
  text-align: center;
  padding: 20px 0;
}

.ck-boleto__barcode {
  background: var(--ck-bg);
  padding: 12px;
  border-radius: var(--ck-radius-xs);
  font-size: 12px;
  font-family: monospace;
  word-break: break-all;
  margin-bottom: 12px;
}

/* Installments */
.ck-installments {
  margin-top: 12px;
}

/* ══════════════════════════════════════
   SUCCESS PAGE
   ══════════════════════════════════════ */

.ck-success {
  text-align: center;
  padding: 48px 24px;
}

.ck-success__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ck-success) 10%, transparent);
  color: var(--ck-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--ck-success) 15%, transparent);
}

.ck-success__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ck-success__message {
  font-size: 15px;
  color: var(--ck-text-secondary);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.ck-success__order-num {
  display: inline-block;
  padding: 8px 20px;
  background: var(--ck-bg);
  border-radius: var(--ck-radius-xs);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

/* ══════════════════════════════════════
   LOADING STATES
   ══════════════════════════════════════ */

.ck-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
}

.ck-loading__spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--ck-border);
  border-top-color: var(--ck-primary);
  border-radius: 50%;
  animation: ck-spin 0.7s linear infinite;
  margin-bottom: 20px;
}

.ck-loading__text {
  font-size: 15px;
  color: var(--ck-text-secondary);
  font-weight: 500;
}

.ck-skeleton {
  background: linear-gradient(90deg, var(--ck-bg) 25%, var(--ck-border) 50%, var(--ck-bg) 75%);
  background-size: 200% 100%;
  animation: ck-shimmer 1.5s infinite;
  border-radius: var(--ck-radius-xs);
}

@keyframes ck-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ══════════════════════════════════════
   ERROR / ALERT
   ══════════════════════════════════════ */

.ck-alert {
  padding: 14px 18px;
  border-radius: var(--ck-radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  display: none;
}

.ck-alert.is-visible { display: block; }

.ck-alert--error {
  background: color-mix(in srgb, var(--ck-danger) 8%, transparent);
  color: var(--ck-danger);
  border: 1px solid color-mix(in srgb, var(--ck-danger) 20%, transparent);
}

.ck-alert--success {
  background: color-mix(in srgb, var(--ck-success) 8%, transparent);
  color: #15803d;
  border: 1px solid color-mix(in srgb, var(--ck-success) 20%, transparent);
}

.ck-alert--info {
  background: color-mix(in srgb, var(--ck-primary) 8%, transparent);
  color: var(--ck-primary);
  border: 1px solid color-mix(in srgb, var(--ck-primary) 20%, transparent);
}

/* ══════════════════════════════════════
   ERROR PAGE
   ══════════════════════════════════════ */

.ck-error-page {
  text-align: center;
  padding: 80px 20px;
}

.ck-error-page__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ck-danger) 8%, transparent);
  color: var(--ck-danger);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 34px;
}

.ck-error-page__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ck-error-page__text {
  font-size: 14px;
  color: var(--ck-text-secondary);
  margin-bottom: 24px;
}

/* ══════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════ */

.ck-hidden { display: none !important; }
.ck-mb-0 { margin-bottom: 0 !important; }
.ck-mt-3 { margin-top: 12px; }
.ck-mt-4 { margin-top: 16px; }
.ck-text-center { text-align: center; }
.ck-text-sm { font-size: 13px; }
.ck-text-xs { font-size: 12px; }
.ck-text-muted { color: var(--ck-text-muted); }
.ck-text-success { color: var(--ck-success); }
.ck-text-danger { color: var(--ck-danger); }
.ck-fw-600 { font-weight: 600; }

.ck-divider {
  height: 1px;
  background: var(--ck-border);
  margin: 16px 0;
}

/* ══════════════════════════════════════
   RESPONSIVE — Desktop (768px+)
   ══════════════════════════════════════ */

@media (min-width: 768px) {
  .ck-header__inner { padding: 18px 32px; }

  .ck-main { padding: 28px; }

  .ck-grid {
    flex-direction: row;
    gap: 28px;
  }

  .ck-col-form {
    order: 1;
    flex: 1;
    min-width: 0;
  }

  .ck-col-summary {
    order: 2;
    width: 370px;
    flex-shrink: 0;
  }

  .ck-summary {
    position: sticky;
    top: 80px;
  }

  .ck-summary__toggle { display: none; }
  .ck-summary__body { display: block !important; }

  .ck-card__body { padding: 28px; }

  .ck-stepper__label { display: inline; }

  .ck-form-row--2 { grid-template-columns: 1fr 1fr; }
  .ck-form-row--3 { grid-template-columns: 1fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .ck-col-summary { width: 400px; }
  .ck-main { padding: 36px; }

  .ck-stepper__line { width: 48px; }
}

/* ══════════════════════════════════════
   RESPONSIVE — Small phones
   ══════════════════════════════════════ */

@media (max-width: 374px) {
  .ck-form-row--2,
  .ck-form-row--3 {
    grid-template-columns: 1fr;
  }

  .ck-pay-tabs { gap: 6px; }
  .ck-pay-tab { padding: 10px 14px; font-size: 13px; }

  .ck-stepper__dot { width: 26px; height: 26px; font-size: 11px; }
  .ck-stepper__line { width: 20px; }
}

/* ══════════════════════════════════════
   PRINT (oculta tudo exceto summary)
   ══════════════════════════════════════ */

@media print {
  .ck-header, .ck-footer, .ck-col-form,
  .ck-stepper { display: none !important; }
  .ck-summary { position: static !important; }
  body { background: #fff; }
}