:root {
  --bg: var(--tg-theme-bg-color, #17212b);
  --panel: var(--tg-theme-secondary-bg-color, #232e3c);
  --panel-strong: var(--tg-theme-secondary-bg-color, #232e3c);
  --line: var(--tg-theme-section-separator-color, rgba(255, 255, 255, 0.08));
  --text: var(--tg-theme-text-color, #f5f5f5);
  --text-muted: var(--tg-theme-hint-color, #9db2c8);
  --brand: var(--tg-theme-button-color, #2ea6ff);
  --brand-text: var(--tg-theme-button-text-color, #ffffff);
  --surface-soft: var(--tg-theme-bg-color, #17212b);
  --surface-ghost: rgba(255, 255, 255, 0.04);
  --shadow: none;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

body ::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: 18px 14px 96px;
}

.section-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.73rem;
  color: var(--brand);
}

.filters-panel h2,
.admin-panel h2,
.now-playing__title {
  margin: 0;
  font-family: "Unbounded", sans-serif;
  line-height: 1.05;
}

.filters-panel,
.admin-panel,
.now-playing,
.beat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.field,
.now-playing {
  border-radius: var(--radius-md);
}

.filters-panel,
.admin-panel {
  border-radius: var(--radius-lg);
  padding: 18px 16px;
}

.admin-panel {
  margin-top: 18px;
}

.filters-toggle,
.beat-card__meta,
.beat-card__footer,
.admin-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.filters-panel h2,
.admin-panel h2 {
  font-size: 1.1rem;
}

.filters-toggle {
  width: 100%;
  padding: 0;
  color: var(--text);
  background: transparent;
  text-align: left;
}

.filters-toggle__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-left: auto;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  transition: transform 140ms ease;
  font-size: 1rem;
}

.filters-panel.is-open .filters-toggle__icon {
  transform: rotate(180deg);
}

.filters-content {
  margin-top: 18px;
}

.filters-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.admin-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

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

.field--range {
  gap: 12px;
}

.field__heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.field__heading strong {
  font-size: 0.84rem;
  color: var(--text);
  font-weight: 600;
}

.field span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.field input,
.field select {
  width: 100%;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: none;
}

.field input[type="file"] {
  padding-top: 4px;
}

.field input[type="file"]::file-selector-button {
  margin-right: 12px;
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-ghost);
  cursor: pointer;
}

.field select option {
  color: #111111;
}

.range-slider {
  --range-start: 0%;
  --range-end: 100%;
  position: relative;
  height: 24px;
}

.range-slider::before,
.range-slider::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  transform: translateY(-50%);
  border-radius: 999px;
}

.range-slider::before {
  background: rgba(255, 255, 255, 0.08);
}

.range-slider::after {
  left: var(--range-start);
  right: calc(100% - var(--range-end));
  background: var(--brand);
}

.range-slider input[type="range"] {
  position: absolute;
  inset: 0;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  pointer-events: none;
}

.range-slider input[type="range"]::-webkit-slider-runnable-track {
  height: 24px;
  background: transparent;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border-radius: 50%;
  border: 2px solid var(--brand-text);
  background: var(--brand);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  pointer-events: auto;
}

.range-slider input[type="range"]::-moz-range-track {
  height: 24px;
  background: transparent;
  border: 0;
}

.range-slider input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--brand-text);
  background: var(--brand);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  pointer-events: auto;
}

.range-slider__labels {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.results-summary,
.admin-user-hint,
.admin-panel__note {
  color: var(--text-muted);
}

.results-summary {
  margin: 16px 0 0;
}

.admin-user-hint {
  margin: 0;
  font-size: 0.82rem;
  text-align: right;
}

.admin-panel__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.82rem;
}

.status-banner {
  margin-top: 18px;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.status-banner[data-tone="info"] {
  border-color: var(--tg-theme-link-color, var(--line));
}

.status-banner[data-tone="error"] {
  border-color: var(--tg-theme-destructive-text-color, var(--line));
}

.is-hidden {
  display: none;
}

.beats-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.beat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.beat-card__cover-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--surface-soft);
}

.beat-card__delete {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 140ms ease, background 140ms ease, opacity 140ms ease;
}

.beat-card__delete:hover {
  transform: scale(1.04);
  background: rgba(215, 70, 70, 0.85);
}

.beat-card__delete[disabled] {
  opacity: 0.7;
  cursor: progress;
  transform: none;
}

.beat-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.beat-card__body {
  padding: 18px;
}

.beat-card__genre,
.beat-card__date {
  margin: 0;
  color: var(--text-muted);
}

.beat-card__genre {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.beat-card__title {
  margin: 8px 0 0;
  font-size: 1.2rem;
}

.beat-card__bpm {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  font-size: 0.85rem;
}

.beat-card__date {
  margin-top: 14px;
}

.beat-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.beat-card__tags[hidden] {
  display: none;
}

.beat-card__tags span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  font-size: 0.82rem;
}

.beat-card__footer {
  margin-top: 18px;
}

.play-button,
.contact-button,
.ghost-button,
.player-button {
  min-height: 46px;
  border-radius: 999px;
  transition: transform 140ms ease, background 140ms ease, opacity 140ms ease;
}

.play-button,
.contact-button {
  flex: 1;
  padding: 0 16px;
}

.play-button {
  color: var(--brand-text);
  background: var(--brand);
}

.contact-button,
.ghost-button {
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.filters-reset,
.admin-submit {
  width: 100%;
}

.filters-reset {
  display: block;
  margin-top: 16px;
}

.admin-submit {
  grid-column: 1 / -1;
}

.play-button:hover,
.contact-button:hover,
.ghost-button:hover,
.player-button:hover {
  transform: translateY(-1px);
}

.play-button[disabled],
.contact-button[disabled],
.ghost-button[disabled],
.player-button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.now-playing {
  position: sticky;
  bottom: 16px;
  z-index: 30;
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 24px;
  background: rgba(28, 28, 32, 0.42);
  border: 0.5px solid rgba(255, 255, 255, 0.2);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.45),
    0 4px 12px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  overflow: hidden;
}

.now-playing.is-hidden {
  display: none;
}

.now-playing::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04) 28%, transparent 62%);
}

.now-playing::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(120deg, transparent 22%, rgba(255, 255, 255, 0.14) 38%, transparent 54%);
  opacity: 0.68;
}

.now-playing__track,
.now-playing__controls {
  position: relative;
  z-index: 1;
}

.now-playing__track {
  min-width: 0;
  padding-right: 40px;
}

.now-playing__title {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.now-playing__time {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.now-playing__controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.now-playing__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 0.5px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  font-size: 1rem;
  line-height: 1;
}

.player-button {
  min-width: 60px;
  min-height: 42px;
  padding: 0 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 0.5px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  font-weight: 700;
}

.player-button--primary {
  min-width: 56px;
  color: var(--brand-text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02)),
    color-mix(in srgb, var(--brand) 82%, rgba(255, 255, 255, 0.12));
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 8px 18px color-mix(in srgb, var(--brand) 28%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.empty-state {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line);
  background: var(--surface-soft);
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 960px) {
  .filters-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .beats-grid {
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 16px 14px 88px;
  }

  .filters-panel,
  .admin-panel,
  .beat-card__body,
  .now-playing {
    padding-left: 16px;
    padding-right: 16px;
  }

  .beat-card__footer,
  .now-playing {
    grid-template-columns: 1fr;
  }

  .beat-card__meta,
  .admin-panel__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-user-hint {
    text-align: left;
  }

  .now-playing__controls {
    justify-content: space-between;
  }

  .player-button {
    flex: 1;
  }
}