/* decidr brand system
   docs/brand-guide.md governs all decisions here.
   four colours. four fonts. no exceptions. */

/* ── fonts ──────────────────────────────────────────────── */

@font-face {
  font-family: "Cantique";
  src: url("/assets/fonts/Cantique-Normal.otf") format("opentype");
  font-display: swap;
}
@font-face {
  font-family: "Bagnard";
  src: url("/assets/fonts/Bagnard.otf") format("opentype");
  font-display: swap;
}
@font-face {
  font-family: "ApfelGrotezk";
  src: url("/assets/fonts/ApfelGrotezk-Brukt.otf") format("opentype");
  font-display: swap;
  font-weight: 400;
}
@font-face {
  font-family: "DepartureMono";
  src: url("/assets/fonts/DepartureMono-Regular.otf") format("opentype");
  font-display: swap;
}

/* ── tokens ─────────────────────────────────────────────── */

:root {
  --bone: #f2eee3;
  --carbon: #0e0e0e;
  --acid: #e6ff00;
  --pink: #ff3d7f;
  --carbon-60: rgba(14, 14, 14, 0.6);
  --carbon-12: rgba(14, 14, 14, 0.12);

  --f-wordmark: "Cantique", serif;
  --f-display:  "Bagnard", monospace;
  --f-body:     "ApfelGrotezk", serif;
  --f-mono:     "DepartureMono", monospace;

  --border: 1.5px solid var(--carbon);
  --border-hairline: 1px solid var(--carbon-12);

  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-6: 48px;
  --sp-8: 64px;
  --sp-12: 96px;
  --sp-16: 128px;
}

/* ── reset ───────────────────────────────────────────────── */

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

/* ── base ────────────────────────────────────────────────── */

html, body {
  background: var(--bone);
  color: var(--carbon);
}

body {
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.5;
  min-height: 100vh;
  padding: var(--sp-4);
  position: relative;
  overflow-x: hidden;
}

/* halftone paper texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(var(--carbon-12) 1px, transparent 1px),
    radial-gradient(rgba(14, 14, 14, 0.06) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
  opacity: 0.6;
  mix-blend-mode: multiply;
  z-index: 1;
}

main {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
  min-height: calc(100vh - var(--sp-8));
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── layout: header / footer ─────────────────────────────── */

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--sp-8);
  border-bottom: var(--border);
}

footer {
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

/* ── typography atoms ────────────────────────────────────── */

.wordmark {
  font-family: var(--f-wordmark);
  font-size: 36px;
  letter-spacing: -0.02em;
  line-height: 1;
  transform: rotate(-2deg) translateY(-2px);
  display: inline-block;
  color: var(--carbon);
  text-decoration: none;
}

.wm-foot {
  font-family: var(--f-wordmark);
  font-size: 18px;
  letter-spacing: -0.02em;
}

.h1 {
  font-family: var(--f-display);
  font-size: clamp(56px, 11vw, 128px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.h2 {
  font-family: var(--f-display);
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.0;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.section-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--carbon-60);
  padding-bottom: var(--sp-2);
}

.mono-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--carbon-60);
}

.body-text {
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.5;
  max-width: 600px;
}

/* ── tags / status chips ─────────────────────────────────── */

.tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1.5px solid var(--carbon);
  background: var(--pink);
  color: var(--carbon);
  transform: rotate(-2deg);
  white-space: nowrap;
}

.tag--acid {
  background: var(--acid);
  transform: rotate(0deg);
}

.tag--muted {
  background: transparent;
  color: var(--carbon-60);
  border-color: var(--carbon-12);
  transform: rotate(0deg);
}

.tag--sm {
  font-size: 10px;
  padding: 2px 6px;
}

/* ── buttons ─────────────────────────────────────────────── */

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  background: var(--acid);
  color: var(--carbon);
  font-family: var(--f-display);
  font-size: 28px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 20px var(--sp-4);
  border: var(--border);
  cursor: pointer;
  transition: background 120ms ease-out, color 120ms ease-out;
  text-decoration: none;
  border-radius: 0;
  /* no rounded corners — brand rule */
}

.btn-cta:hover {
  background: var(--carbon);
  color: var(--acid);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: transparent;
  color: var(--carbon);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px var(--sp-3);
  border: var(--border);
  cursor: pointer;
  transition: background 120ms ease-out, color 120ms ease-out;
  text-decoration: none;
  border-radius: 0;
}

.btn-ghost:hover {
  background: var(--carbon);
  color: var(--bone);
}

/* ── form elements ───────────────────────────────────────── */

.input {
  width: 100%;
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.4;
  color: var(--carbon);
  background: var(--bone);
  border: var(--border);
  padding: 12px var(--sp-2);
  outline: none;
  border-radius: 0;
  transition: border-color 120ms ease-out;
  appearance: none;
  -webkit-appearance: none;
}

.input:focus {
  border-color: var(--carbon);
  box-shadow: 3px 3px 0 var(--carbon);
}

.input::placeholder {
  color: var(--carbon-60);
}

.input--textarea {
  resize: vertical;
  min-height: 80px;
}

.input--label {
  font-family: var(--f-body);
  font-size: 16px;
}

.input--dt {
  font-family: var(--f-mono);
  font-size: 14px;
}

.input--select {
  cursor: pointer;
}

.input--inline {
  width: auto;
  flex: 1;
}

/* ── form layout ─────────────────────────────────────────── */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.field-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--carbon-60);
}

.field-optional {
  opacity: 0.6;
  text-transform: none;
  letter-spacing: 0;
}

.field-hint {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--carbon-60);
  margin-top: var(--sp-1);
}

.fieldset {
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.fieldset-legend {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--carbon-60);
  padding-bottom: var(--sp-1);
}

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

/* ── /new — create event form ────────────────────────────── */

.form-page {
  padding-top: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.form-heading {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.event-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  max-width: 680px;
}

.form-actions {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  flex-wrap: wrap;
}

/* time slot grid */
.time-slots {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.time-slot {
  display: grid;
  grid-template-columns: auto 1fr 180px;
  gap: var(--sp-2);
  align-items: center;
}

/* primary radio dot */
.time-slot__primary-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.time-slot__primary-dot {
  width: 14px;
  height: 14px;
  border: 2px solid var(--carbon-60);
  border-radius: 50%;
  transition: background 120ms ease-out, border-color 120ms ease-out;
}

.time-slot__primary-wrap:has(input:checked) .time-slot__primary-dot {
  background: var(--acid);
  border-color: var(--carbon);
}

/* ── /e/{id} — organiser dashboard ──────────────────────── */

.org-hero {
  padding: var(--sp-8) 0 var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  border-bottom: var(--border);
  margin-bottom: var(--sp-6);
}

.counts-strip {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding: var(--sp-4) 0;
}

.count-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.count-num {
  font-family: var(--f-display);
  font-size: 36px;
  line-height: 1;
}

.count-sep {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--carbon-60);
}

/* time options list */
.time-options {
  border-top: var(--border-hairline);
  padding-top: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.time-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.time-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) 0;
  border-bottom: var(--border-hairline);
  flex-wrap: wrap;
}

.time-item--best {
  background: transparent;
}

.time-label {
  font-family: var(--f-body);
  font-size: 16px;
  flex: 1;
}

.time-dt {
  color: var(--carbon-60);
}

/* invitees section */
.invitees-section {
  border-top: var(--border-hairline);
  padding-top: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.invitee-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--sp-3);
}

.invitee-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 0;
  border-bottom: var(--border-hairline);
  flex-wrap: wrap;
}

.invitee-name {
  flex: 1;
  font-family: var(--f-body);
  font-size: 16px;
}

.invite-link {
  color: var(--carbon-60);
  text-decoration: none;
  font-size: 10px;
}

.invite-link:hover {
  color: var(--carbon);
}

.add-invitee-form {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  margin-top: var(--sp-3);
}

/* lock section */
.lock-section {
  border-top: var(--border);
  padding-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}

.lock-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 400px;
}

.lock-btn {
  font-size: 22px;
}

/* locked banner */
.locked-banner {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  background: var(--acid);
  border: var(--border);
  padding: var(--sp-2) var(--sp-3);
}

.locked-time {
  font-family: var(--f-display);
  font-size: 20px;
  text-transform: uppercase;
}

/* ── /i/{token} — invite / rsvp page ────────────────────── */

.invite-hero {
  padding: var(--sp-8) 0 var(--sp-4);
  border-bottom: var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.from-line {
  color: var(--carbon-60);
  padding-bottom: var(--sp-1);
}

.invite-title {
  /* deliberate bleed off right edge — one rule-break per screen */
  margin-right: -var(--sp-4);
}

/* rsvp form */
.rsvp-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  padding: var(--sp-6) 0;
}

/* status options — big touch targets */
.status-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
  max-width: 480px;
}

.status-opt {
  cursor: pointer;
  display: flex;
}

.status-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 72px;
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  border: var(--border);
  background: transparent;
  transition: background 120ms ease-out;
}

.status-opt:has(input:checked) .status-label {
  background: var(--acid);
  font-size: 24px;
}

.status-opt:has(input:checked) .status-label--maybe {
  background: var(--pink);
}

.status-opt:has(input:checked) .status-label--no {
  background: var(--carbon);
  color: var(--bone);
}

.status-label:hover {
  background: var(--carbon-12);
}

/* time option checkboxes */
.time-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  max-width: 540px;
}

.time-check-item {
  border: var(--border-hairline);
}

.time-check-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 12px var(--sp-2);
  cursor: pointer;
  transition: background 120ms ease-out;
}

.time-check-label:hover {
  background: var(--carbon-12);
}

.time-check-item:has(input:checked) .time-check-label {
  background: var(--acid);
}

.time-check-box {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--carbon-60);
  flex-shrink: 0;
  min-width: 28px;
}

.time-check-item:has(input:checked) .time-check-box::before {
  content: "[x]";
}

.time-check-item:not(:has(input:checked)) .time-check-box::before {
  content: "[ ]";
}

/* hide the text content of time-check-box since we use ::before */
.time-check-box { font-size: 0; }
.time-check-box::before { font-size: 14px; }

.time-check-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

/* ── confirmation page ───────────────────────────────────── */

.confirmation {
  padding: var(--sp-12) 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.conf-event {
  font-family: var(--f-display);
  font-size: 22px;
  text-transform: uppercase;
  max-width: none;
}

.conf-times {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--carbon-60);
}

.change-link {
  align-self: flex-start;
}

/* ── error page ──────────────────────────────────────────── */

.error-page {
  padding: var(--sp-12) 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* ── landing (index.html) ────────────────────────────────── */

.hero {
  padding: var(--sp-12) 0;
}

.hero h1 {
  font-family: var(--f-display);
  font-size: clamp(72px, 14vw, 160px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.hero p {
  font-family: var(--f-body);
  font-size: 20px;
  padding-top: var(--sp-3);
  max-width: 480px;
}

/* ── nudge page ──────────────────────────────────────────── */

.nudge-hero {
  padding: var(--sp-8) 0 var(--sp-4);
  border-bottom: var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.nudge-sub {
  color: var(--carbon-60);
  padding-top: var(--sp-1);
}

.nudge-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6) 0;
}

.nudge-card {
  border: var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nudge-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: var(--border);
  flex-wrap: wrap;
}

.nudge-name {
  font-family: var(--f-display);
  font-size: clamp(22px, 4vw, 36px);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1;
}

.nudge-meta {
  color: var(--carbon-60);
}

pre.nudge-text {
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bone);
  border-bottom: var(--border);
  padding: var(--sp-3);
  margin: 0;
  color: var(--carbon);
}

.nudge-card__actions {
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  justify-content: flex-end;
}

.nudge-copy-btn {
  font-size: 16px;
  padding: 10px var(--sp-3);
  background: var(--acid);
}

.nudge-empty {
  padding: var(--sp-8) 0;
  border-top: var(--border-hairline);
  border-bottom: var(--border-hairline);
}

.nudge-footer-actions {
  padding: var(--sp-6) 0 var(--sp-8);
}

/* nudge buttons on organiser page */

.invitees-actions {
  margin-bottom: var(--sp-3);
  padding-top: var(--sp-2);
}

.nudge-all-btn {
  font-size: 18px;
  padding: 14px var(--sp-4);
}

.nudge-one-form {
  display: inline;
}

.btn-nudge-one {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--pink);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1.5px solid var(--pink);
  cursor: pointer;
  border-radius: 0;
  transition: background 120ms ease-out, color 120ms ease-out;
}

.btn-nudge-one:hover {
  background: var(--pink);
  color: var(--bone);
}

.invitee-nudge-chip {
  background: var(--pink);
  transform: rotate(0deg);
}

/* ── responsive ──────────────────────────────────────────── */

@media (max-width: 640px) {
  body { padding: var(--sp-2); }

  .time-slot {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }

  .time-slot .input--dt {
    grid-column: 2;
  }

  .status-options {
    max-width: 100%;
  }

  .status-label {
    min-height: 64px;
    font-size: 18px;
  }

  .lock-form {
    max-width: 100%;
  }

  .count-num {
    font-size: 28px;
  }

  .btn-cta {
    font-size: 22px;
    padding: 16px var(--sp-3);
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }
}