:root {
  color-scheme: dark;
  font-family: "Segoe UI", Inter, system-ui, sans-serif;
  color: #e7edf8;
  background: #0a1020;
  font-synthesis: none;
  --muted: #96a3ba;
  --line: #26334b;
  --surface: #111b2d;
  --surface-raised: #162238;
  --blue: #4f8cff;
  --green: #45d4a0;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 42px 20px 64px;
  background:
    radial-gradient(ellipse at 12% 0%, rgb(44 88 168 / 22%), transparent 42rem),
    radial-gradient(ellipse at 100% 18%, rgb(24 137 116 / 10%), transparent 34rem),
    #0a1020;
}

main {
  width: min(1000px, 100%);
  margin: 0 auto;
}

header {
  margin: 0 0 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: #80aaff;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
}

.header-mark {
  display: inline-block;
  margin-left: 8px;
  padding: 4px 8px;
  border: 1px solid #344a6c;
  border-radius: 999px;
  color: #a8bddc;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  vertical-align: 2px;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 5vw, 2.45rem);
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 7px;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

h4 {
  margin: 0;
  font-size: 1rem;
}

.intro {
  margin-bottom: 0;
  color: var(--muted);
}

.hint,
.field-hint {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.panel,
.instance-card {
  margin: 16px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, rgb(20 31 50 / 97%), rgb(15 24 41 / 98%));
  box-shadow: 0 16px 38px rgb(0 0 0 / 15%);
}

.create-panel {
  border-color: #304668;
  background: linear-gradient(135deg, #14223a, #111b2d 70%);
}

.release-panel {
  border-color: #315044;
  background: linear-gradient(135deg, #142b2b, #111b2d 70%);
}

.release-form {
  grid-template-columns: minmax(150px, 0.65fr) minmax(0, 2fr);
  align-items: end;
}

.release-form .field-wide {
  grid-column: 1 / -1;
}

.release-form input[type="file"] {
  padding: 7px;
}

.release-current {
  margin-bottom: 16px;
}

.section-heading,
.toolbar,
.instance-actions,
.revision-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading > * {
  margin-bottom: 0;
}

.section-heading .eyebrow {
  margin-bottom: 6px;
}

.section-heading .hint {
  margin-bottom: 0;
}

.toolbar p {
  margin: 0;
  color: var(--green);
  font-weight: 650;
}

form {
  display: grid;
  gap: 12px;
}

.instance-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.field {
  display: grid;
  gap: 7px;
}

.field-wide {
  grid-column: 1 / -1;
}

label {
  color: #cbd6e8;
  font-size: 0.86rem;
  font-weight: 650;
}

input,
textarea,
button {
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid #34425b;
  border-radius: 8px;
  font: inherit;
}

input,
textarea {
  width: 100%;
  color: inherit;
  background: #0c1525;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--blue);
  outline: 3px solid rgb(79 140 255 / 18%);
}

button {
  width: fit-content;
  color: #fff;
  background: #3478f6;
  border-color: #4586ff;
  font-weight: 650;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease;
}

button:hover:not(:disabled) {
  background: #4b89ff;
  transform: translateY(-1px);
}

button.secondary {
  background: #25334b;
  border-color: #3a4b68;
}

button.danger {
  color: #ffe4e6;
  background: #762a39;
  border-color: #a74453;
}

button.upload-button {
  width: 100%;
  background: #176c57;
  border-color: #268e71;
}

button.upload-button:hover:not(:disabled) {
  background: #1c8469;
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.field-hint {
  font-size: 0.78rem;
}

.instances {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 13px;
}

.players {
  display: grid;
  gap: 10px;
}

.instance-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
}

.instance-summary h3 {
  overflow-wrap: anywhere;
}

.instance-summary .hint {
  margin-bottom: 8px;
}

.instance-editor {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.instance-editor-form {
  display: grid;
  gap: 10px;
}

.instance-editor-form > input,
.instance-editor-form > textarea {
  margin: 0;
}

.instance-editor-form > label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 3px 0;
}

.instance-editor-form input[type="checkbox"] {
  width: 17px;
  min-height: 17px;
  flex: 0 0 auto;
  accent-color: var(--blue);
}

.branding-fields {
  display: grid;
  gap: 9px;
  margin-top: 7px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0e192a;
}

.branding-fields h4,
.branding-fields p {
  margin-bottom: 0;
}

.branding-fields input[type="file"] {
  padding: 7px;
}

.player-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(180px, 2fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0e192a;
}

.player-row p {
  margin: 4px 0 0;
}

.player-enabled {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-enabled input {
  width: 17px;
  min-height: 17px;
  accent-color: var(--blue);
}

.instance-access-form {
  display: grid;
  gap: 9px;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0e192a;
}

.access-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.access-column {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a1422;
}

.access-column h4 {
  margin-bottom: 9px;
}

.access-player {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-top: 1px solid rgb(174 197 235 / 8%);
  overflow-wrap: anywhere;
}

.access-player button {
  min-height: 32px;
  padding: 5px 9px;
  flex: 0 0 auto;
  font-size: 0.8rem;
}

.access-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.instance-card {
  margin: 0;
  padding: 19px;
  background: linear-gradient(145deg, #16243a, #111b2d);
}

.instance-card > .hint {
  margin-bottom: 12px;
}

.metadata {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 10px;
  border: 1px solid #285345;
  border-radius: 7px;
  color: #9be1c6;
  background: #102b28;
  font-size: 0.82rem;
}

.instance-card details {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.instance-card summary {
  color: #c9d8ef;
  font-weight: 650;
  cursor: pointer;
}

.upload-form {
  margin: 14px 0;
  padding: 16px;
  border: 1px solid #2d405c;
  border-radius: 10px;
  background: #0e192a;
}

.upload-form .hint {
  margin-bottom: 0;
}

.upload-status {
  overflow-wrap: anywhere;
}

progress {
  width: 100%;
  height: 10px;
  accent-color: var(--green);
}

.revision-row {
  padding: 12px 0;
  border-top: 1px solid #26334b;
}

.revision-row p {
  margin: 0;
  color: #c4d0e3;
}

.notice,
.error,
.empty-state {
  padding: 12px 15px;
  border: 1px solid;
  border-radius: 9px;
  background: #101b2c;
}

.notice {
  color: #91e2c4;
  border-color: #285c4c;
}

.error {
  color: #ffb7c0;
  border-color: #733944;
  overflow-wrap: anywhere;
}

.empty-state {
  margin: 0;
  color: var(--muted);
  border-color: var(--line);
}

.options-file-dialog {
  width: min(480px, calc(100% - 28px));
  padding: 24px;
  border: 1px solid #3a506d;
  border-radius: 14px;
  color: inherit;
  background: #111b2d;
  box-shadow: 0 24px 80px rgb(0 0 0 / 55%);
}

.options-file-dialog::backdrop {
  background: rgb(3 8 17 / 76%);
  backdrop-filter: blur(3px);
}

.options-file-dialog h2 {
  margin-bottom: 12px;
}

.options-file-dialog .hint {
  margin-bottom: 18px;
}

.options-file-actions {
  display: grid;
  gap: 9px;
  margin-bottom: 16px;
}

.options-file-actions button {
  width: 100%;
}

.options-file-actions .link-button {
  color: var(--muted);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 620px) {
  body {
    padding: 26px 13px 42px;
  }

  .panel,
  .instance-card {
    padding: 17px;
  }

  .instance-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .release-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .release-form .field-wide {
    grid-column: auto;
  }

  .field-wide {
    grid-column: auto;
  }

  .section-heading {
    align-items: flex-start;
  }

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

  .access-columns {
    grid-template-columns: minmax(0, 1fr);
  }
}