html,
body {
  width: 100%;
  height: 100%;
}

body {
  overflow: hidden;
}

.registration-stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.registration-stage .stage-bg {
  position: absolute;
  inset: 0;
  background: #000 url("assets/generic-bg.png") center/cover no-repeat;
  filter: saturate(1.05);
}

.scan-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  cursor: pointer;
  z-index: 2;
}

.scan-overlay__text {
  font-family: "Radwave", "Orbitron", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(28px, 4vw, 64px);
  font-weight: 600;
  text-align: center;
}

.success-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 26px;
  text-align: center;
  z-index: 2;
  text-transform: uppercase;
}

.success-title {
  font-family: "Radwave", "Orbitron", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(30px, 4.2vw, 72px);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.success-subtitle {
  font-family: "Bebas Neue Book", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(16px, 2.2vw, 30px);
  color: var(--muted);
  letter-spacing: 0.1em;
}

.success-btn {
  width: min(640px, 70vw);
  height: clamp(70px, 10vh, 110px);
  font-size: clamp(18px, 2.2vw, 34px);
  font-family: "CPMono_v07", "Orbitron", "Arial Narrow", Arial, sans-serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.registration-stage .stage-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 36% 64%;
  height: 100%;
  padding: 12% 5% 12%;
  gap: 60px;
}

.registration-stage[data-state="scan"] .scan-overlay {
  display: flex;
}

.registration-stage[data-state="scan"] .stage-content {
  display: none;
}

.registration-stage[data-state="success"] .stage-content {
  display: none;
}

.registration-stage[data-state="success"] .success-overlay {
  display: flex;
}

.registration-stage[data-state="group"] .stage-content {
  grid-template-columns: 1fr;
  padding: 16% 8% 14%;
}

.registration-stage[data-state="group"] .right-panel {
  display: none;
}

.registration-stage[data-state="group"] .left-panel {
  align-items: center;
  text-align: center;
  gap: 24px;
  justify-content: flex-start;
  width: 100%;
}

.registration-stage[data-state="group"] .left-panel h1 {
  font-size: clamp(22px, 2.9vw, 50px);
  max-width: 1100px;
}

.registration-stage[data-state="group"] .state-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  width: 100%;
  margin-top: 4vh;
}

.left-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: space-evenly;
  text-transform: uppercase;
}

.left-panel h1,
.left-panel h2 {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.left-panel h1 {
  font-size: clamp(22px, 2.6vw, 42px);
}

.left-panel h2 {
  font-size: clamp(18px, 2vw, 32px);
}

.left-panel p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: clamp(10px, 1.1vw, 16px);
}

.state {
  display: none;
}

.registration-stage[data-state="scan"] .state-scan,
.registration-stage[data-state="group"] .state-group,
.registration-stage[data-state="name"] .state-name {
  display: block;
}

.band-id {
  color: var(--muted);
  font-size: clamp(10px, 1.1vw, 16px);
  letter-spacing: 0.16em;
}

.button-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button-row--full {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: stretch;
}

.button-row--full .btn {
  width: 100%;
}

.button-row--stack {
  width: 100%;
  display: grid;
  gap: 14px;
}

.button-row--stack .btn {
  width: 100%;
}

.choice-buttons {
  max-width: min(1040px, 84vw);
  width: 100%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(36px, 6vw, 90px);
  margin-top: 12px;
}

.choice-buttons .btn {
  height: clamp(140px, 19vh, 210px);
  font-size: clamp(22px, 2.5vw, 38px);
  font-family: "CPMono_v07", "Orbitron", "Arial Narrow", Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.choice-helper {
  font-size: clamp(12px, 1.2vw, 18px);
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: 6px;
}

.state-timer {
  position: absolute;
  top: 12%;
  right: 6%;
  font-family: "CPMono_v07", "Orbitron", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(18px, 2.2vw, 32px);
  letter-spacing: 0.2em;
  color: var(--ink);
  display: none;
  z-index: 2;
}

.registration-stage[data-state="group"] .state-timer,
.registration-stage[data-state="success"] .state-timer {
  display: block;
}

.btn {
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 14px 18px;
  font-size: clamp(12px, 1.2vw, 18px);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  min-width: 140px;
  /* width: 100%; */
}

.btn:hover,
.btn:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 18px var(--glow);
  outline: none;
}

.btn.primary {
  border-color: var(--accent);
  width: 100%;
}

.btn.fill {
  background: rgba(15, 15, 15, 0.9);
}

.name-field {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--accent);
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.6);
}

.name-field input {
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: clamp(16px, 2vw, 30px);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  outline: none;
  width: 100%;
}

.name-field input::placeholder {
  color: var(--muted);
  text-transform: uppercase;
}

.check-pill {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #3cd45e;
  color: #3cd45e;
  display: grid;
  place-items: center;
  font-size: 11px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.check-pill.is-visible {
  opacity: 1;
}

.validation {
  color: var(--accent);
  font-size: clamp(10px, 1.1vw, 14px);
  min-height: 18px;
}

.group-list {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 10px;
  font-size: clamp(10px, 1.1vw, 14px);
  color: var(--muted);
  min-height: 64px;
  display: grid;
  gap: 6px;
}

.group-list span {
  display: block;
  color: var(--ink);
}

.mode-group-only {
  display: none;
}

.registration-stage[data-mode="group"] .mode-group-only {
  display: block;
}

.registration-stage[data-mode="group"] .mode-individual-only {
  display: none;
}

.registration-stage[data-mode="group"] .btn.mode-group-only {
  display: inline-flex;
}

.registration-stage[data-mode="group"] .group-list.mode-group-only {
  display: grid;
}

.keyboard {
  display: grid;
  gap: 18px;
  align-content: center;
  height: 100%;
  justify-content: center;
  padding-top: 0;
}

.right-panel {
  display: flex;
  align-items: center;
  height: 100%;
}

.key-row {
  display: grid;
  gap: 8px;
}

.key-row.row-1 {
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.key-row.row-2 {
  grid-template-columns: repeat(9, minmax(0, 1fr));
}

.key-row.row-3 {
  grid-template-columns: 1.4fr repeat(7, minmax(0, 1fr)) 1.4fr;
}

.key-row.row-4 {
  grid-template-columns: 1.2fr 1.2fr 5fr 2fr;
}

.key {
  border: none;
  background: #222;
  color: #fff;
  font-size: clamp(16px, 1.6vw, 24px);
  padding: 20px 18px;
  /* border-radius: 10px; */
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.35);
  cursor: pointer;
  text-transform: uppercase;
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.08s ease;
}

.key.dark {
  background: #3d3e42;
}

.key.light {
  background: #bfc0c4;
  color: #1d1d1f;
}

.key.wide {
  text-transform: uppercase;
}

.key:active {
  transform: translateY(2px);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.4);
}

.key:hover,
.key:focus-visible {
  filter: brightness(1.2);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.35), 0 0 10px rgba(255, 255, 255, 0.18);
  outline: none;
}

.key.light:hover,
.key.light:focus-visible {
  filter: brightness(1.05);
}

.key.dark:hover,
.key.dark:focus-visible {
  filter: brightness(1.25);
}

.key.shift-on {
  outline: 2px solid var(--accent);
  box-shadow: 0 0 12px var(--glow);
}

.helper {
  font-size: clamp(10px, 1vw, 14px);
  color: var(--muted);
}

.stage-footer {
  position: absolute;
  left: 3%;
  right: 3%;
  bottom: 3%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  z-index: 1;
}

.footer-left {
  font-family: "CPMono_v07", "Orbitron", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(14px, 2vw, 28px);
  letter-spacing: 0.18em;
  justify-self: start;
  transform: translateY(-6px);
}

.footer-title {
  text-align: center;
  font-size: clamp(22px, 2.8vw, 42px);
}

.footer-meta {
  font-family: "CPMono_v07", "Orbitron", "Arial Narrow", Arial, sans-serif;
  font-size: clamp(14px, 2.2vw, 30px);
  letter-spacing: 0.18em;
  justify-self: end;
  text-align: right;
  transform: translateY(-6px);
}

@media (max-width: 980px) {
  .registration-stage .stage-content {
    grid-template-columns: 1fr;
    padding: 22% 8% 12%;
  }

  .keyboard {
    order: 2;
  }
}