/* Hallmark · macrostructure: Photographic (illustrated plates) · tone: gritty-playful war diary · anchor hue: frog green 140
 * nav: slim sticky bar + <details> sheet on small screens · footer: statement (closing plate) + disclaimer
 * enrichment: Tier C generated stills (gpt-image-2, one character reference) · motion: REC blink · button states
 */
@import url(tokens.css);

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-mud-900);
  color: var(--color-khaki-200);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-kerning: normal;
}

img,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-frog);
  text-underline-offset: 0.2em;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-style: normal;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-khaki-100);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

p {
  margin: 0;
}

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

.skip {
  position: absolute;
  left: var(--space-md);
  top: -4rem;
  z-index: 30;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-frog);
  color: var(--color-frog-ink);
  font-weight: 800;
}
.skip:focus-visible {
  top: var(--space-md);
}

.wrap {
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 3rem);
}

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

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 2.875rem;
  padding: 0 var(--space-lg);
  border: var(--rule-thick) solid var(--color-frog);
  border-radius: var(--radius-sm);
  background: var(--color-frog);
  color: var(--color-frog-ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    background: var(--color-khaki-100);
    border-color: var(--color-khaki-100);
  }
  .btn--ghost:hover {
    background: var(--color-khaki-100);
    color: var(--color-ink);
  }
}
.btn:active {
  transform: translateY(1px);
}
.btn--ghost {
  background: transparent;
  border-color: var(--color-khaki-200);
  color: var(--color-khaki-100);
}
.btn--sm {
  min-height: 2.5rem;
  padding: 0 var(--space-md);
  font-size: var(--text-base);
}
.btn[disabled],
.btn.is-disabled {
  background: transparent;
  border-color: var(--color-mud-600);
  color: var(--color-khaki-500);
  cursor: not-allowed;
  transform: none;
}
@media (hover: hover) and (pointer: fine) {
  .btn[disabled]:hover,
  .btn.is-disabled:hover {
    background: transparent;
    border-color: var(--color-mud-600);
    color: var(--color-khaki-500);
  }
}
.btn[data-state='loading'] {
  cursor: progress;
  opacity: 0.8;
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.tba {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-khaki-500);
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-mud-950);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: 3.75rem;
}
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  color: var(--color-khaki-100);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark span {
  color: var(--color-frog);
}
.nav {
  display: none;
  gap: var(--space-lg);
  margin-left: auto;
}
.nav a,
.sheet a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-khaki-400);
  text-decoration: none;
  white-space: nowrap;
}
@media (hover: hover) and (pointer: fine) {
  .nav a:hover,
  .sheet a:hover {
    color: var(--color-frog);
  }
}
.ca-chip {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-khaki-400);
  white-space: nowrap;
}
.ca-chip button {
  min-height: 1.75rem;
  padding: 0 var(--space-xs);
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-mud-700);
  color: var(--color-khaki-500);
  font: inherit;
  cursor: not-allowed;
}
.topbar .btn {
  margin-left: auto;
}
.sheet {
  position: relative;
}
.sheet summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-khaki-200);
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.sheet summary::-webkit-details-marker {
  display: none;
}
.sheet__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-xs));
  display: grid;
  gap: var(--space-sm);
  min-width: 12rem;
  padding: var(--space-md);
  background: var(--color-mud-950);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-md);
}
@media (min-width: 40rem) {
  .ca-chip {
    display: inline-flex;
    margin-left: auto;
  }
  .topbar .btn {
    margin-left: 0;
  }
}
@media (min-width: 64rem) {
  .nav {
    display: flex;
  }
  .ca-chip {
    margin-left: 0;
  }
  .sheet {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: var(--color-mud-950);
}
.hero__art {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% 50%;
}
.hud {
  position: absolute;
  inset: var(--space-md);
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-khaki-100);
}
.hud::before,
.hud::after,
.hud__bl,
.hud__br {
  content: '';
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  border-color: var(--color-khaki-200);
  border-style: solid;
  border-width: 0;
}
.hud::before {
  top: 0;
  left: 0;
  border-top-width: 2px;
  border-left-width: 2px;
}
.hud::after {
  top: 0;
  right: 0;
  border-top-width: 2px;
  border-right-width: 2px;
}
.hud__bl {
  bottom: 0;
  left: 0;
  border-bottom-width: 2px;
  border-left-width: 2px;
}
.hud__br {
  bottom: 0;
  right: 0;
  border-bottom-width: 2px;
  border-right-width: 2px;
}
.hud__tl,
.hud__tr,
.hud__bottom {
  position: absolute;
  display: flex;
  gap: var(--space-md);
  white-space: nowrap;
}
.hud__tl {
  top: var(--space-xs);
  left: var(--space-lg);
  align-items: center;
}
.hud__tr {
  top: var(--space-xs);
  right: var(--space-lg);
}
.hud__bottom {
  bottom: var(--space-xs);
  right: var(--space-lg);
}
.rec-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-candle-red);
  animation: rec 1.6s steps(2, jump-none) infinite;
}
@keyframes rec {
  from {
    opacity: 1;
  }
  to {
    opacity: 0.15;
  }
}
.hud__hide-sm {
  display: none;
}
.hero__copy {
  padding-block: var(--space-2xl) var(--space-3xl);
}
.hero h1 {
  font-size: var(--text-display);
  max-width: 11ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-frog);
}
.hero__lede {
  margin-top: var(--space-lg);
  max-width: 34rem;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-khaki-200);
}
.hero .btn-row {
  margin-top: var(--space-xl);
}
.hero__small {
  margin-top: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-khaki-500);
}

@media (min-width: 48rem) {
  .hud__hide-sm {
    display: inline;
  }
  .hero__art {
    aspect-ratio: auto;
    height: min(100svh - 3.75rem, 60rem);
    min-height: 34rem;
  }
  .hero__art img {
    object-position: 70% 50%;
  }
  .hero__art::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--color-scrim) 0%, var(--color-scrim-soft) 38%, transparent 62%);
  }
  .hero__copy {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: var(--space-3xl);
  }
  .hud {
    z-index: 3;
    inset: var(--space-lg);
  }
}

/* ---------- Text bands ---------- */

.band {
  padding-block: var(--space-4xl) var(--space-3xl);
}
.band__head {
  display: grid;
  gap: var(--space-md);
  max-width: 44rem;
  margin-bottom: var(--space-2xl);
}
.band__head h2 {
  font-size: var(--text-3xl);
}
.band__head p {
  font-size: var(--text-lg);
  color: var(--color-khaki-400);
  max-width: var(--measure);
}

/* ---------- Plates (illustrated scenes) ---------- */

.plate {
  position: relative;
  margin: 0;
  background: var(--color-mud-950);
}
.plate img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}
.plate__box {
  margin: 0 clamp(1rem, 4vw, 3rem);
  transform: translateY(-2.5rem);
  max-width: 30rem;
  padding: var(--space-lg);
  background: var(--color-mud-950);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
}
.plate__label {
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-khaki-500);
}
.plate__box h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}
.plate__box p {
  color: var(--color-khaki-200);
}
@media (min-width: 48rem) {
  .plate img {
    aspect-ratio: auto;
    height: min(100svh - 3.75rem, 54rem);
    min-height: 30rem;
  }
  .plate__box {
    position: absolute;
    margin: 0;
    transform: none;
    background: var(--color-scrim);
    top: var(--space-3xl);
  }
  .plate--left .plate__box {
    left: clamp(1.5rem, 5vw, 5rem);
  }
  .plate--right .plate__box {
    right: clamp(1.5rem, 5vw, 5rem);
  }
  .plate--low .plate__box {
    top: auto;
    bottom: var(--space-3xl);
  }
}

/* ---------- Rank Up ---------- */

.rank {
  background: var(--color-mud-850);
  border-block: var(--rule-thin) solid var(--color-rule);
}
.rank__grid {
  display: grid;
  gap: var(--space-2xl);
}
@media (min-width: 64rem) {
  .rank__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
  .rank__result {
    position: sticky;
    top: 5.5rem;
  }
}
.field {
  display: grid;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}
.field label,
.q legend {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-khaki-100);
}
.field input {
  min-height: 3rem;
  padding: 0 var(--space-md);
  border: var(--rule-thin) solid var(--color-mud-600);
  border-radius: var(--radius-sm);
  background: var(--color-mud-950);
  color: var(--color-khaki-100);
  font: inherit;
}
.field input::placeholder {
  color: var(--color-khaki-500);
}
.field input[aria-invalid='true'] {
  border-color: var(--color-candle-red);
}
.field__hint {
  min-height: 1.5em;
  font-size: var(--text-sm);
  color: var(--color-khaki-500);
}
.field__hint.is-error {
  color: var(--color-candle-red);
}
.q {
  margin: 0 0 var(--space-xl);
  padding: 0;
  border: 0;
  min-width: 0;
}
.q legend {
  padding: 0;
  margin-bottom: var(--space-sm);
  font-size: var(--text-lg);
}
.q__opts {
  display: grid;
  gap: var(--space-xs);
}
@media (min-width: 40rem) {
  .q__opts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.opt {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 3rem;
  padding: var(--space-xs) var(--space-md);
  border: var(--rule-thin) solid var(--color-mud-600);
  border-radius: var(--radius-sm);
  background: var(--color-mud-900);
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}
.opt input {
  appearance: none;
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin: 0;
  border: 2px solid var(--color-khaki-400);
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.opt input::after {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-frog);
  transform: scale(0);
  transition: transform var(--dur-fast) var(--ease-out);
}
.opt input:checked::after {
  transform: scale(1);
}
.opt input:checked {
  border-color: var(--color-frog);
}
.opt:has(input:checked) {
  border-color: var(--color-frog);
  background: var(--color-mud-800);
}
@media (hover: hover) and (pointer: fine) {
  .opt:hover {
    border-color: var(--color-khaki-400);
  }
}
.opt:has(input:focus-visible) {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
.opt input:focus-visible {
  outline: none;
}
.rank__submit {
  display: grid;
  gap: var(--space-xs);
  justify-items: start;
}
.rank__result {
  display: grid;
  gap: var(--space-md);
}
.card-frame {
  position: relative;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-mud-950);
}
.card-frame canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}
.card-frame__empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  text-align: center;
  font-family: var(--font-note);
  color: var(--color-khaki-500);
}
.rank__blurb {
  font-family: var(--font-note);
  font-size: var(--text-lg);
  color: var(--color-khaki-100);
}
.rank__small {
  font-size: var(--text-sm);
  color: var(--color-khaki-500);
}
.rank__actions[hidden] {
  display: none;
}

/* ---------- Diary (dugout wall) ---------- */

.diary {
  background: repeating-linear-gradient(
    180deg,
    var(--color-wood-800) 0 0.2rem,
    var(--color-wood-700) 0.2rem 5.5rem,
    var(--color-wood-800) 5.5rem 5.75rem
  );
}
.diary .band__head h2 {
  color: var(--color-khaki-100);
}
.diary .band__head p {
  color: var(--color-khaki-200);
}
.notes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: var(--space-xl) var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}
.note {
  position: relative;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-note);
  font-size: var(--text-base);
  line-height: 1.5;
  box-shadow: 0 0.75rem 1.25rem -0.75rem var(--color-mud-950);
}
.note::before {
  content: '';
  position: absolute;
  top: 0.45rem;
  left: 50%;
  width: 0.7rem;
  height: 0.7rem;
  margin-left: -0.35rem;
  border-radius: 50%;
  background: var(--color-mud-700);
  box-shadow: 0 1px 0 var(--color-mud-950);
}
.note:nth-child(3n + 1) {
  transform: rotate(-1.2deg);
}
.note:nth-child(3n + 2) {
  transform: rotate(0.9deg);
  background: var(--color-paper-2);
}
.note:nth-child(4n) {
  transform: rotate(-0.4deg);
}
.note__no {
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
}
.note--lead {
  grid-column: 1 / -1;
  max-width: 24rem;
  font-size: var(--text-2xl);
}

/* ---------- Battalion ---------- */

.battalion {
  background: var(--color-mud-850);
  border-top: var(--rule-thin) solid var(--color-rule);
}
.battalion__grid {
  display: grid;
  gap: var(--space-xl);
}
.battalion__grid p {
  max-width: var(--measure);
  font-size: var(--text-lg);
}
.official {
  max-width: 40rem;
  padding: var(--space-md) var(--space-lg);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  color: var(--color-khaki-400);
}
.official strong {
  color: var(--color-khaki-100);
}

/* ---------- Closing plate ---------- */

.closing {
  position: relative;
  background: var(--color-mud-950);
}
.closing img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  object-position: 65% 50%;
}
.closing__copy {
  padding-block: var(--space-2xl) var(--space-3xl);
}
.closing h2 {
  font-size: var(--text-display);
  max-width: 10ch;
}
.closing p {
  margin-top: var(--space-md);
  max-width: 30rem;
  font-size: var(--text-lg);
}
.closing .btn-row {
  margin-top: var(--space-xl);
}
@media (min-width: 48rem) {
  .closing img {
    aspect-ratio: auto;
    height: min(100svh - 3.75rem, 56rem);
    min-height: 32rem;
  }
  .closing::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, var(--color-scrim) 0%, transparent 55%);
    pointer-events: none;
  }
  .closing__copy {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
  }
}

/* ---------- Footer ---------- */

.foot {
  padding-block: var(--space-2xl) var(--space-3xl);
  background: var(--color-mud-950);
  border-top: var(--rule-thin) solid var(--color-rule);
  font-size: var(--text-sm);
  color: var(--color-khaki-500);
}
.foot p {
  max-width: 70ch;
}
.foot p + p {
  margin-top: var(--space-md);
}
.foot__sign {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--text-xl);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-khaki-400);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .rec-dot {
    animation: none;
  }
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
  }
}

[hidden] {
  display: none !important;
}

.hide-sm {
  display: none;
}
@media (min-width: 30rem) {
  .hide-sm {
    display: inline;
  }
}
@media (min-width: 48rem) {
  .hero__copy {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
}
.hide-xs {
  display: none;
}
@media (min-width: 22.5rem) {
  .hide-xs {
    display: inline;
  }
}

/* Diary wall flows in columns so no note is left alone on a row */
.notes {
  display: block;
  columns: 15rem;
  column-gap: var(--space-lg);
}
.note {
  display: inline-block;
  width: 100%;
  margin-bottom: var(--space-xl);
  break-inside: avoid;
}
.note--lead {
  max-width: none;
}

.battalion h2 {
  font-size: var(--text-3xl);
}

/* Ambient loops (Wan I2V, first frame = the still underneath) */
.art-motion {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-out);
}
.art-motion.is-playing {
  opacity: 1;
}
.hero .art-motion {
  object-position: 78% 50%;
}
.art-motion--wide {
  display: none;
}
@media (min-width: 48rem) {
  .hero .art-motion {
    object-position: 70% 50%;
  }
  .art-motion--wide {
    display: block;
  }
}

.foot__links {
  display: flex;
  gap: var(--space-lg);
}
.foot__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-khaki-400);
  white-space: nowrap;
}
@media (hover: hover) and (pointer: fine) {
  .foot__links a:hover {
    color: var(--color-frog);
  }
}