/* ABOUTME: Full-viewport editorial styling for Fenrin's animated name field. */
/* ABOUTME: Motion borrows the turn-over moment of a split board without its visual styling. */

:root {
  color-scheme: dark;
  --background: #090a0c;
  --surface: rgba(17, 18, 21, 0.78);
  --text: #efeee9;
  --muted: #92938e;
  --quiet: #7d7f79;
  --accent: #f04d31;
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  min-width: 320px;
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
}

#app {
  height: 100dvh;
}

body {
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.025), transparent 42%),
    var(--background);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

button,
select {
  color: inherit;
  font: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

#app::before,
#app::after {
  position: fixed;
  z-index: 2;
  right: 0;
  left: 0;
  height: 150px;
  pointer-events: none;
  content: "";
}

#app::before {
  top: 0;
  background: linear-gradient(
    to bottom,
    var(--background) 0,
    rgba(9, 10, 12, 0.97) 64px,
    rgba(9, 10, 12, 0) 150px
  );
}

#app::after {
  bottom: 0;
  background: linear-gradient(
    to top,
    var(--background) 0,
    rgba(9, 10, 12, 0.97) 62px,
    rgba(9, 10, 12, 0) 150px
  );
}

.name-field {
  position: fixed;
  z-index: 1;
  inset: -1px;
  display: grid;
  grid-template-columns: repeat(var(--columns, 6), minmax(0, 1fr));
  grid-template-rows: repeat(var(--rows, 8), minmax(0, 1fr));
  background: var(--background);
}

.name-cell {
  position: relative;
  min-width: 0;
  overflow: hidden;
  opacity: 0;
  perspective: 900px;
  transition: opacity 500ms ease;
  contain: layout paint style;
}

.name-cell.has-name {
  opacity: var(--tone, 0.62);
}

.name {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 13px;
  overflow: hidden;
  color: var(--text);
  font-size: clamp(0.88rem, 1.45vw, 1.32rem);
  font-weight: 520;
  letter-spacing: -0.035em;
  line-height: 1;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
}

.name--next {
  opacity: 0;
}

.name-cell.long-name .name {
  font-size: clamp(0.8rem, 1.2vw, 1.08rem);
  letter-spacing: -0.05em;
}

.name-cell.very-long-name .name {
  font-size: clamp(0.74rem, 1.05vw, 0.96rem);
}

.site-header,
.site-footer {
  position: fixed;
  z-index: 3;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.site-header {
  top: 0;
  padding:
    calc(25px + env(safe-area-inset-top)) calc(28px + env(safe-area-inset-right)) 25px
    calc(28px + env(safe-area-inset-left));
}

.identity {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(240, 77, 49, 0.34);
}

.identity h1 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 680;
  letter-spacing: 0.19em;
  line-height: 1;
  text-transform: uppercase;
}

.identity p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: -0.01em;
}

.controls {
  display: flex;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid rgba(239, 238, 233, 0.1);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  pointer-events: auto;
  backdrop-filter: blur(18px);
}

.profile-control {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-left: 15px;
  color: var(--quiet);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.select-wrap::after {
  position: absolute;
  right: 13px;
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  pointer-events: none;
  content: "";
  transform: translateY(-2px) rotate(45deg);
}

.profile-control select {
  min-width: 104px;
  height: 42px;
  padding: 0 30px 0 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 0.75rem;
  font-weight: 600;
  appearance: none;
  cursor: pointer;
}

.profile-control select:disabled {
  color: var(--quiet);
  cursor: wait;
}

.speed-control {
  display: flex;
  align-items: center;
  min-height: 44px;
  border-left: 1px solid rgba(239, 238, 233, 0.1);
}

.speed-control select {
  width: 124px;
  height: 42px;
  padding: 0 30px 0 13px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  font-weight: 620;
  appearance: none;
  cursor: pointer;
}

.motion-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 88px;
  min-height: 44px;
  padding: 0 15px;
  border: 0;
  border-left: 1px solid rgba(239, 238, 233, 0.1);
  background: transparent;
  font-size: 0.72rem;
  cursor: pointer;
}

.speed-control:hover,
.speed-control:focus-within,
.motion-toggle:hover,
.motion-toggle:focus-visible,
.profile-control:focus-within {
  background: rgba(255, 255, 255, 0.045);
}

.speed-control:focus-within,
.motion-toggle:focus-visible,
.profile-control:focus-within {
  outline: 2px solid rgba(240, 77, 49, 0.75);
  outline-offset: -2px;
}

.motion-icon {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: -0.1em;
}

.site-footer {
  bottom: 0;
  padding:
    26px calc(28px + env(safe-area-inset-right)) calc(26px + env(safe-area-inset-bottom))
    calc(28px + env(safe-area-inset-left));
  color: var(--quiet);
  font-size: 0.75rem;
  letter-spacing: 0.01em;
}

.runtime-status {
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(240, 77, 49, 0.44);
  animation: breathe 2.2s ease-in-out infinite;
}

.runtime-status[data-state="loading"] .status-dot {
  background: var(--quiet);
  box-shadow: none;
}

.runtime-status[data-state="paused"] .status-dot {
  animation: none;
}

.runtime-status[data-state="error"] .status-dot {
  background: #ff9a7f;
  animation: none;
}

.site-footer p {
  margin: 0;
  text-align: right;
}

.site-footer a {
  margin-left: 9px;
  color: var(--muted);
  text-decoration-color: rgba(146, 147, 142, 0.35);
  text-underline-offset: 3px;
  pointer-events: auto;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--text);
}

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

.noscript-message {
  position: fixed;
  z-index: 5;
  top: 50%;
  left: 50%;
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  transform: translate(-50%, -50%);
}

.file-notice {
  position: fixed;
  z-index: 5;
  top: 50%;
  left: 50%;
  display: grid;
  width: min(440px, calc(100% - 40px));
  gap: 9px;
  padding: 24px;
  border: 1px solid rgba(239, 238, 233, 0.12);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  transform: translate(-50%, -50%);
  backdrop-filter: blur(18px);
}

.file-notice[hidden] {
  display: none;
}

.file-notice strong {
  color: var(--text);
  font-size: 1rem;
}

.file-notice code {
  color: var(--text);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.file-mode .controls,
.file-mode .site-footer {
  display: none;
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.88);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (max-width: 680px) {
  .site-header {
    padding:
      calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 16px
      calc(16px + env(safe-area-inset-left));
  }

  .identity {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .profile-control > span:first-child,
  .motion-toggle #motion-label {
    display: none;
  }

  .identity p {
    font-size: 0.7rem;
  }

  .profile-control {
    padding-left: 13px;
  }

  .profile-control select {
    min-width: 99px;
  }

  .motion-toggle {
    min-width: 45px;
    justify-content: center;
    padding: 0 13px;
  }

  .speed-control select {
    width: 82px;
    padding-left: 10px;
  }

  .site-footer {
    padding:
      18px calc(16px + env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom))
      calc(16px + env(safe-area-inset-left));
  }

  .site-footer p {
    max-width: 175px;
    line-height: 1.45;
  }

  .site-footer a {
    display: flex;
    min-height: 40px;
    margin: 0;
    align-items: center;
    justify-content: flex-end;
  }

  .name {
    font-size: clamp(0.82rem, 3.6vw, 1.05rem);
  }

  .name-cell.long-name .name {
    font-size: clamp(0.76rem, 3vw, 0.9rem);
  }

  .name-cell.very-long-name .name {
    font-size: clamp(0.7rem, 2.7vw, 0.82rem);
  }
}

@media (max-width: 380px) {
  .identity p {
    display: none;
  }

  .profile-control {
    padding-left: 8px;
  }

  .profile-control select {
    width: 86px;
    min-width: 0;
  }

  .speed-control select {
    width: 72px;
    padding-left: 8px;
  }

  .site-footer p {
    max-width: 72px;
  }

  .profile-note {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .name-cell {
    transition: none;
  }

  .status-dot {
    animation: none;
  }
}