:root {
  --color-brand: #012846;
  --color-brand-hover: #01213d;
  --color-accent: #e6a72d;
  --color-on-brand: #ffffff;
  --color-page: #ffffff;
  --color-text: #1c2430;
  --color-muted: #5b6675;
  --color-border: #ccd3dc;
  --color-danger: #b3261e;
  --color-selection: #f7e3b3;
  --color-skeleton: #eef1f5;
  --color-tint: #f1f4f8;
  --color-on-brand-hover: rgb(255 255 255 / 0.14);
  --color-focus: #2a6ea6;
  --color-scrim: rgb(1 40 70 / 0.6);
  --shadow-modal: 0 0.625rem 1.875rem rgb(1 40 70 / 0.25);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --section: clamp(1.25rem, 4vw, 2rem);

  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-xl: clamp(1.375rem, 4vw, 1.625rem);

  --radius: 0.375rem;
  --radius-pill: 999px;
  --control-height: 2.75rem;
  --page-width: 34rem;
  --banner-width: 10rem;
  --date-tile-width: 3rem;
  --motion: 120ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
::selection { background: var(--color-selection); }

html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--color-border) var(--color-page); }

body {
  margin: 0;
  background: var(--color-page);
  color: var(--color-text);
  font: var(--text-md)/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

[hidden] { display: none !important; }

.page { width: min(100%, var(--page-width)); margin-inline: auto; padding-inline: var(--space-4); }
.header { display: grid; justify-items: center; gap: var(--space-3); padding-block: var(--section) var(--space-3); }
.header::after { content: ""; width: 100%; height: 2px; background: var(--color-accent); }
.header h1 { width: min(100%, var(--banner-width)); margin: 0; }
.header img { display: block; width: 100%; height: auto; border-radius: var(--radius); }
.header p { margin: 0; color: var(--color-muted); font-size: var(--text-sm); }
.main { padding-block: var(--space-4) var(--section); }

form { display: grid; gap: var(--space-4); }
.field { display: grid; gap: var(--space-1); min-width: 0; margin: 0; padding: 0; border: 0; }
.field-label, legend { padding: 0; font-size: var(--text-sm); font-weight: 600; }
.field-error { margin: 0; color: var(--color-danger); font-size: var(--text-sm); }

.input {
  width: 100%;
  min-height: var(--control-height);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-page);
  color: var(--color-text);
  caret-color: var(--color-brand);
  font: inherit;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--motion);
}
textarea.input { min-height: 6rem; resize: vertical; }
[aria-invalid="true"] .input, .input[aria-invalid="true"] { border-color: var(--color-danger); }
.input:-webkit-autofill,
.input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--color-text);
  box-shadow: inset 0 0 0 100vmax var(--color-page);
}

.date-parts { display: flex; gap: var(--space-3); margin-top: var(--space-1); }
.date-part { display: grid; gap: var(--space-1); width: 6rem; color: var(--color-muted); font-size: var(--text-sm); }
.date-part--month { width: 10rem; }
.date-part .input { color: var(--color-text); font-size: var(--text-md); }

.select-wrap { position: relative; display: block; }
.select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: var(--space-3);
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--color-muted);
  border-bottom: 2px solid var(--color-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select { padding-right: var(--section); cursor: pointer; }

/* Browsers without base-select keep their native list, with the closed control still themed above. */
@supports (appearance: base-select) {
  .select, .select::picker(select) { appearance: base-select; }
  .select::picker-icon, .select option::checkmark { display: none; }
  .select::picker(select) {
    max-height: 16rem;
    margin-block: var(--space-1);
    padding: var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-page);
  }
  .select option { padding: var(--space-2) var(--space-3); border-radius: var(--radius); cursor: pointer; }
  .select option:hover, .select option:focus-visible { outline: 0; background: var(--color-selection); }
  .select option:checked { background: var(--color-brand); color: var(--color-on-brand); }
}

.options { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); margin-top: var(--space-1); }
.option { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 2rem; cursor: pointer; }
.option input { width: 1.125rem; height: 1.125rem; margin: 0; accent-color: var(--color-brand); }

.input:focus-visible, .option input:focus-visible, .button:focus-visible, .thanks:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.button {
  justify-self: start;
  min-height: var(--control-height);
  padding: var(--space-2) var(--section);
  border: 0;
  border-radius: var(--radius);
  background: var(--color-brand);
  color: var(--color-on-brand);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--motion);
}
.button:hover { background: var(--color-brand-hover); }
.button:disabled { opacity: 0.65; cursor: progress; }

.notice { margin: 0; color: var(--color-danger); font-size: var(--text-sm); }
.thanks { margin: 0; font-weight: 600; }


.section-title { margin: var(--space-4) 0 var(--space-2); color: var(--color-brand); font-size: var(--text-md); }
.empty { margin: 0; color: var(--color-muted); font-size: var(--text-sm); }



.skeleton { display: grid; gap: var(--space-2); }
.skeleton-row { height: 3rem; border-radius: var(--radius); background: var(--color-skeleton); }

.modal {
  width: min(100% - 2 * var(--space-4), 22rem);
  padding: var(--section);
  border: 0;
  border-radius: var(--radius);
  background: var(--color-page);
  color: var(--color-text);
  box-shadow: var(--shadow-modal);
  text-align: center;
}
.modal:focus { outline: 0; }
.modal::backdrop { background: var(--color-scrim); }
.modal .button { justify-self: center; }
.modal-message { margin: 0; font-weight: 600; }

.spotlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: var(--space-3); }
.spotlight { display: grid; align-content: start; gap: var(--space-1); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius); }
.spotlight--wide { grid-column: 1 / -1; }
.spotlight--featured { border-color: var(--color-brand); background: var(--color-brand); color: var(--color-on-brand); }
.spotlight-label { margin: 0; color: var(--color-muted); font-size: var(--text-sm); font-weight: 600; }
.spotlight-date { margin: 0; font-size: var(--text-xl); font-weight: 700; line-height: 1.2; }
.spotlight-when { margin: 0; color: var(--color-muted); font-size: var(--text-sm); }
.spotlight-people { display: grid; gap: var(--space-3); margin: var(--space-2) 0 0; padding: 0; list-style: none; }
.spotlight-person { display: grid; gap: var(--space-1); overflow-wrap: anywhere; }
.spotlight--featured .spotlight-label { color: var(--color-accent); }
.spotlight--featured .spotlight-when, .spotlight--featured .person-meta { color: var(--color-on-brand); }

.person-name { display: block; font-weight: 600; }
.person-meta { display: block; color: var(--color-muted); font-size: var(--text-sm); }

.contact-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.spotlight .contact-actions { margin-top: var(--space-1); }
.contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding-inline: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-brand);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--motion);
}
.contact-link:hover { background: var(--color-selection); }
.contact-link:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.spotlight--featured .contact-link { border-color: var(--color-on-brand); color: var(--color-on-brand); }
.spotlight--featured .contact-link:hover { background: var(--color-on-brand-hover); }
.spotlight--featured .contact-link:focus-visible { outline-color: var(--color-accent); }

.birthdays { margin: 0; padding: 0; list-style: none; }
.birthday { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); padding-block: var(--space-3); border-bottom: 1px solid var(--color-border); }
.birthday:last-child { border-bottom: 0; }
.birthday-who { flex: 1 1 10rem; min-width: 0; overflow-wrap: anywhere; }
.date-tile { display: grid; flex: none; justify-items: center; width: var(--date-tile-width); padding-block: var(--space-1); border-radius: var(--radius); background: var(--color-tint); color: var(--color-brand); line-height: 1.2; }
.date-tile-month { font-size: var(--text-sm); font-weight: 600; }
.date-tile-day { font-size: var(--text-md); font-weight: 700; }

@media (max-width: 30rem) {
  .birthday .contact-actions { flex-basis: 100%; padding-left: calc(var(--date-tile-width) + var(--space-3)); }
}