/* =========================================================
   Amigo Secreto — "Papelzinho"
   Papel branco, tinta de caneta esferográfica, nomes escritos à mão.
   A ousadia fica em um lugar só: o nome revelado, riscado com marca-texto.
   ========================================================= */

:root {
  --paper: #ffffff;
  --ink: #13205a;
  --ink-2: #4a5486;
  --ink-3: #8b92b8;
  --rule: #d5d9ea;
  --rule-soft: #edf0f8;
  --marker: #ffe94d;
  --red: #d7263d;
  --red-soft: #fdeaed;
  --green: #1d8a4e;
  --green-soft: #e4f5ea;
  --whats: #25d366;

  --font-ui: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-hand: "Caveat", "Segoe Print", "Comic Sans MS", cursive;

  --r-paper: 2px;
  --r-btn: 6px;
  --tap: 48px;
  --col: 680px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.5;
  font-variation-settings: "opsz" 14, "wdth" 100;
}
@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }
}

h1,
h2,
h3 {
  font-family: var(--font-ui);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.45em;
  font-variation-settings: "opsz" 96, "wdth" 100;
}
h1 {
  font-size: clamp(2.25rem, 4.5vw + 1rem, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
h2 {
  font-size: clamp(1.5rem, 1.5vw + 1rem, 2rem);
}
h3 {
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: var(--ink-3);
}
a:hover {
  text-decoration-color: var(--ink);
}

.muted {
  color: var(--ink-2);
}
.small {
  font-size: 0.875rem;
}

:focus-visible {
  outline: 3px solid var(--marker);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* nomes de pessoas: escritos à mão */
.hand {
  font-family: var(--font-hand);
  font-weight: 600;
  font-size: 1.35em;
  line-height: 1;
  letter-spacing: 0;
}

/* ---------- topo ---------- */

.topbar {
  border-bottom: 1.5px solid var(--ink);
}
.topbar__inner {
  max-width: var(--col);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.wordmark {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: var(--tap);
  white-space: nowrap;
  font-variation-settings: "opsz" 96, "wdth" 110;
}
.wordmark svg {
  width: 22px;
  height: 26px;
}
.topbar__nav {
  display: flex;
  gap: 2px;
}
.topbar__nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 12px 10px;
  min-height: var(--tap);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.topbar__nav a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}
@media (max-width: 480px) {
  .topbar__nav a {
    font-size: 0.875rem;
    padding: 12px 6px;
  }
}

/* ---------- página ---------- */

.page {
  max-width: var(--col);
  margin: 0 auto;
  padding: 28px 20px 72px;
}
@media (max-width: 480px) {
  .page {
    padding: 20px 16px 56px;
  }
}

.section {
  margin: 0 0 44px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.section > h2 {
  margin-bottom: 6px;
}
.section__lead {
  color: var(--ink-2);
  margin-bottom: 18px;
  max-width: 48ch;
}

/* ---------- herói com papeizinhos ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
  align-items: center;
  padding: 24px 0 36px;
}
.hero h1 {
  margin-bottom: 14px;
  max-width: 11ch;
}
.hero p {
  color: var(--ink-2);
  font-size: 1.125rem;
  max-width: 34ch;
  margin: 0;
}
.slips {
  position: relative;
  height: 290px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.slip {
  position: absolute;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-paper);
  box-shadow: 0 1px 0 var(--rule), 0 8px 16px -10px rgba(19, 32, 90, 0.4);
  padding: 11px 16px 9px;
  font-family: var(--font-hand);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--ink);
  white-space: nowrap;
  background-image: linear-gradient(var(--rule-soft) 1px, transparent 1px);
  background-size: 100% 14px;
  background-position: 0 6px;
}
.slip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  border-top: 1px dashed var(--rule);
}
.slips .slip:nth-child(1) { left: 30px;  top: 22px;  transform: rotate(-9deg); }
.slips .slip:nth-child(2) { left: 120px; top: 48px;  transform: rotate(6deg);  z-index: 2; }
.slips .slip:nth-child(3) { left: 56px;  top: 104px; transform: rotate(-3deg); z-index: 3; }
.slips .slip:nth-child(4) { left: 150px; top: 132px; transform: rotate(8deg);  z-index: 1; }
.slips .slip:nth-child(5) { left: 24px;  top: 178px; transform: rotate(4deg);  z-index: 4; }
.slips .slip:nth-child(6) { left: 118px; top: 206px; transform: rotate(-6deg); z-index: 5; }
@media (max-width: 600px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 8px;
  }
  .hero h1 {
    max-width: none;
  }
  .slips {
    order: -1;
    height: 160px;
    width: 100%;
  }
  .slip {
    font-size: 1.35rem;
    padding: 9px 12px 7px;
  }
  .slips .slip:nth-child(1) { left: 14%; right: auto; top: 10px;  transform: rotate(-8deg); }
  .slips .slip:nth-child(2) { left: 46%; right: auto; top: 0;     transform: rotate(5deg);  z-index: 2; }
  .slips .slip:nth-child(3) { left: 30%; right: auto; top: 46px;  transform: rotate(-3deg); z-index: 3; }
  .slips .slip:nth-child(4) { left: 58%; right: auto; top: 58px;  transform: rotate(7deg);  z-index: 1; }
  .slips .slip:nth-child(5) { left: 10%; right: auto; top: 92px;  transform: rotate(4deg);  z-index: 4; }
  .slips .slip:nth-child(6) { left: 42%; right: auto; top: 100px; transform: rotate(-6deg); z-index: 5; }
}

/* ---------- notas à margem (avisos) ---------- */

.notice {
  position: relative;
  padding: 2px 0 2px 18px;
  margin: 0 0 18px;
  border-left: 3px solid var(--ink);
}
.notice p {
  margin: 0;
  color: var(--ink);
}
.notice--warn {
  border-left-color: var(--marker);
  border-left-width: 6px;
}
.notice--ok {
  border-left-color: var(--green);
}
.notice--festa {
  border-left-color: var(--ink);
  background: linear-gradient(90deg, var(--rule-soft), transparent 70%);
  padding: 12px 12px 12px 18px;
}

/* ---------- formulários ---------- */

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.field label,
.label {
  font-weight: 600;
  font-size: 0.9375rem;
}
.hint {
  color: var(--ink-2);
  font-size: 0.875rem;
  margin: 0;
}

.input,
input[type="text"],
input[type="email"],
input[type="date"],
input[type="number"],
select,
textarea {
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 0;
  border-bottom: 1.5px solid var(--ink);
  border-radius: 0;
  padding: 12px 4px;
  min-height: var(--tap);
  width: 100%;
}
select {
  border: 1.5px solid var(--ink);
  border-radius: var(--r-btn);
  padding: 10px 12px;
}
textarea {
  min-height: 112px;
  resize: vertical;
  border: 1.5px solid var(--ink);
  border-radius: var(--r-paper);
  padding: 12px 14px;
  background-image: linear-gradient(var(--rule-soft) 1px, transparent 1px);
  background-size: 100% 1.6em;
  background-position: 0 1.1em;
  background-attachment: local;
  font-family: var(--font-hand);
  font-size: 1.35rem;
  line-height: 1.6em;
}
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--marker);
  outline-offset: 0;
}
input::placeholder,
textarea::placeholder {
  color: var(--ink-3);
}
#nameInput {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  font-weight: 600;
  padding: 8px 4px 6px;
}
#nameInput::placeholder {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 400;
}

.input-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}
.input-row > input {
  flex: 1;
  min-width: 0;
}
@media (max-width: 400px) {
  .input-row {
    flex-direction: column;
    align-items: stretch;
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 480px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ---------- botões ---------- */

.btn {
  font: inherit;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1.5px solid var(--ink);
  border-radius: var(--r-btn);
  padding: 11px 18px;
  min-height: var(--tap);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.12s ease, color 0.12s ease, transform 0.06s ease;
}
.btn:active:not(:disabled) {
  transform: translateY(1px);
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: #0c1540;
}
.btn-secondary {
  background: var(--paper);
  color: var(--ink);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--rule-soft);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: transparent;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}
.btn-ghost:hover:not(:disabled) {
  color: var(--ink);
}
.btn-whatsapp {
  background: var(--whats);
  color: #0b3d21;
  border-color: #16a854;
}
.btn-whatsapp:hover:not(:disabled) {
  background: #1fc25c;
}
.btn-block {
  width: 100%;
}
.btn-lg {
  padding: 16px 28px;
  font-size: 1.2rem;
}
.btn-sm {
  padding: 7px 12px;
  min-height: 40px;
  font-size: 0.9375rem;
}
.btn.is-done {
  background: var(--green-soft);
  color: var(--green);
  border-color: var(--green);
}

/* ---------- papeizinhos dos participantes ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 12px;
  margin-top: 18px;
  padding: 4px 2px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-paper);
  box-shadow: 0 1px 0 var(--rule), 0 4px 10px -6px rgba(19, 32, 90, 0.3);
  padding: 4px 2px 2px 14px;
  min-height: 44px;
  font-family: var(--font-hand);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1;
  animation: slip-in 0.25s ease-out;
}
.chip:nth-child(3n + 1) {
  transform: rotate(-1.5deg);
}
.chip:nth-child(3n + 2) {
  transform: rotate(1deg);
}
.chip:nth-child(3n) {
  transform: rotate(-0.5deg);
}
.chip__remove {
  font: inherit;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  background: transparent;
  border: 0;
  color: var(--ink-3);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chip__remove:hover {
  color: var(--red);
  background: var(--red-soft);
}

.empty {
  color: var(--ink-2);
  margin-top: 18px;
  padding: 18px 0;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
}

/* ---------- seções recolhíveis ---------- */

details.fold {
  border-top: 1px solid var(--rule);
}
details.fold:last-of-type {
  border-bottom: 1px solid var(--rule);
}
details.fold > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 0;
  min-height: var(--tap);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
details.fold > summary::-webkit-details-marker {
  display: none;
}
details.fold > summary::before {
  content: "+";
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1;
  width: 20px;
  color: var(--ink);
  flex-shrink: 0;
}
details.fold[open] > summary::before {
  content: "–";
}
details.fold > summary .muted {
  font-weight: 400;
  font-size: 0.875rem;
  margin-left: auto;
  text-align: right;
}
details.fold > .fold__body {
  padding: 4px 0 20px 32px;
}
@media (max-width: 480px) {
  details.fold > .fold__body {
    padding-left: 0;
  }
  details.fold > summary .muted {
    display: none;
  }
}

/* ---------- linhas de resultado ---------- */

.rows {
  display: flex;
  flex-direction: column;
}
.row {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.rows .row:first-child {
  border-top: 1px solid var(--rule);
}
.row__name {
  font-family: var(--font-hand);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1;
  flex: 1 1 140px;
  min-width: 0;
  overflow-wrap: anywhere;
}
.row__meta {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--ink-2);
  display: block;
  font-weight: 400;
  margin-top: 6px;
}
.row__actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
}
@media (max-width: 480px) {
  .row__actions {
    width: 100%;
    margin-left: 0;
  }
  .row__actions .btn {
    flex: 1;
  }
}
.row__link {
  width: 100%;
  font-size: 0.8125rem;
  color: var(--ink-2);
  overflow-wrap: anywhere;
  display: none;
}
.row.show-link .row__link {
  display: block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-2);
}
.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--ink-3);
}
.badge--ok {
  color: var(--green);
}
.badge--ok::before {
  background: var(--green);
  border-color: var(--green);
}

/* ---------- toast / alertas ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--r-btn);
  font-size: 0.9375rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: calc(100vw - 32px);
  z-index: 50;
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast--error {
  background: var(--red);
}

.alert {
  padding: 10px 0 10px 18px;
  margin-bottom: 16px;
  border-left: 3px solid var(--red);
  color: var(--red);
  font-weight: 500;
}

/* ---------- a revelação: o papelzinho ---------- */

.tag-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-paper);
  box-shadow: 0 1px 0 var(--rule), 0 18px 40px -24px rgba(19, 32, 90, 0.5);
  padding: 32px 24px 28px;
  text-align: center;
  background-image: linear-gradient(var(--rule-soft) 1px, transparent 1px);
  background-size: 100% 28px;
  background-position: 0 18px;
  transform: rotate(-0.6deg);
  margin: 12px 0 0;
}
.tag-card::before {
  content: none;
}
.tag-card.is-revealed {
  animation: unfold 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform-origin: 50% 0;
}
.tag-card__label {
  color: var(--ink-2);
  font-size: 1rem;
  margin-bottom: 6px;
}
.tag-card__name {
  display: inline-block;
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: clamp(2.75rem, 8vw + 1rem, 4rem);
  line-height: 1;
  color: var(--ink);
  overflow-wrap: anywhere;
  margin: 6px 0 14px;
  padding: 0.05em 0.25em;
  background: linear-gradient(104deg, transparent 2%, var(--marker) 3%, var(--marker) 97%, transparent 98%);
  transform: rotate(-1deg);
}
.tag-card__sub {
  color: var(--ink-2);
  margin: 0;
}

.event-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 16px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.center {
  text-align: center;
}
.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.actions--center {
  justify-content: center;
}

.card {
  border: 1.5px solid var(--ink);
  border-radius: var(--r-paper);
  padding: 24px 20px;
}

/* confete: tirinhas de papel */
.confetti {
  position: fixed;
  top: -14px;
  width: 7px;
  height: 16px;
  pointer-events: none;
  animation: confetti-fall 1.5s ease-in forwards;
  z-index: 40;
}

/* ---------- anúncios ---------- */

.ad-slot {
  margin: 44px 0;
}
.ad-slot__label {
  font-size: 0.75rem;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.ad-slot__box {
  border: 1px dashed var(--rule);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
@media (min-width: 728px) {
  .ad-slot__box {
    min-height: 250px;
  }
}
.ad-slot__box .adsbygoogle {
  display: block;
  width: 100%;
}

/* ---------- FAQ / texto ---------- */

.faq details {
  border-bottom: 1px solid var(--rule);
}
.faq details:first-child {
  border-top: 1px solid var(--rule);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  min-height: var(--tap);
  font-weight: 600;
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::before {
  content: "+";
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 0.8;
  width: 20px;
  flex-shrink: 0;
}
.faq details[open] summary::before {
  content: "–";
}
.faq details p {
  color: var(--ink-2);
  margin: 0 0 18px 34px;
  max-width: 58ch;
}
@media (max-width: 480px) {
  .faq details p {
    margin-left: 0;
  }
}

.prose {
  max-width: 62ch;
}
.prose h2 {
  margin-top: 1.5em;
}
.prose h3 {
  margin-top: 1.4em;
}
.prose ul,
.prose ol {
  padding-left: 1.3em;
}
.prose li {
  margin-bottom: 0.4em;
}
.prose table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9375rem;
  margin: 1em 0;
}
.prose th,
.prose td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.prose th {
  font-weight: 600;
  border-bottom-color: var(--ink);
}

ol.steps {
  padding-left: 1.3em;
  max-width: 58ch;
}
ol.steps li {
  margin-bottom: 0.6em;
}

/* ---------- rodapé ---------- */

.footer {
  border-top: 1.5px solid var(--ink);
}
.footer__inner {
  max-width: var(--col);
  margin: 0 auto;
  padding: 22px 20px 44px;
  color: var(--ink-2);
  font-size: 0.875rem;
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 20px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}
.footer__links a {
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font-weight: 500;
}
.footer p {
  max-width: 62ch;
}

/* ---------- movimento ---------- */

@keyframes slip-in {
  from {
    opacity: 0;
    transform: translateY(4px) rotate(0deg);
  }
  to {
    opacity: 1;
  }
}
@keyframes unfold {
  0% {
    transform: perspective(900px) rotateX(-70deg) rotate(-0.6deg);
    opacity: 0.6;
  }
  100% {
    transform: perspective(900px) rotateX(0) rotate(-0.6deg);
    opacity: 1;
  }
}
@keyframes confetti-fall {
  to {
    transform: translateY(105vh) rotate(540deg);
    opacity: 0;
  }
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
.is-busy {
  animation: pulse 0.7s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

[hidden] {
  display: none !important;
}

#setup,
#results {
  margin-bottom: 56px;
}