:root {
  color-scheme: dark;
  /* Paleta Sakura (oscuro + rosa cerezo) */
  --bg-0: #120c10;
  --bg-1: #120c10;
  --ink: #fff1f5;
  --muted: #c4a4b0;
  --line: #3a2430;
  --panel: rgba(28, 18, 24, 0.92);
  --panel-solid: #1c1218;
  --surface: #241820;
  --accent: #ff8fab;
  --accent-soft: #ffb7c5;
  --accent-deep: #e86a8a;
  --accent-ink: #2a0a14;
  --danger: #ff6b81;
  --warn: #f0c27a;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --font-display: "Work Sans", sans-serif;
  --font-body: "Bitter", serif;
  --border-angle: 0deg;
}

@property --border-angle {
  inherits: false;
  initial-value: 0deg;
  syntax: "<angle>";
}

@supports (property(--border-angle)) {
  @property --border-angle {
    inherits: false;
    initial-value: 0deg;
    syntax: "<angle>";
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg-0);
  line-height: 1.5;
}

.particles-root {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: var(--bg-0);
  z-index: 0;
  pointer-events: none;
}

.particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.grain {
  display: none;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}

.brand {
  margin-bottom: 2rem;
  animation: rise 0.7s ease both;
}

.brand-mark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 10vw, 5.5rem);
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--ink);
}

.brand-line {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/*
  Gradient border (ui-layouts)
  https://www.ui-layouts.com/components/gradient-border
*/
.panel,
.app,
.file-item,
.queue-item,
.dropzone {
  position: relative;
  border: 2px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--panel-solid), var(--panel-solid)) padding-box,
    conic-gradient(
        from var(--border-angle),
        #3a2430,
        #ff8fab,
        #ffb7c5,
        #f0c27a,
        #ff8fab,
        #3a2430
      )
      border-box;
  box-shadow: var(--shadow);
  animation: border-spin 4s linear infinite, rise 0.75s 0.08s ease both;
}

.panel,
.app {
  padding: 1.5rem;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    conic-gradient(
        from var(--border-angle),
        #3a2430,
        #ff8fab,
        #ffb7c5,
        #f0c27a,
        #ff8fab,
        #3a2430
      )
      border-box;
  backdrop-filter: blur(10px);
}

.file-item,
.queue-item {
  animation: border-spin 4s linear infinite, rise 0.35s ease both;
}

.dropzone {
  margin-top: 1.4rem;
  border-radius: calc(var(--radius) - 4px);
  background:
    linear-gradient(180deg, rgba(255, 143, 171, 0.1), transparent 55%),
    linear-gradient(var(--surface), var(--surface)) padding-box,
    conic-gradient(
        from var(--border-angle),
        #3a2430,
        #ff8fab,
        #ffb7c5,
        #f0c27a,
        #ff8fab,
        #3a2430
      )
      border-box;
  padding: 2rem 1.25rem;
  text-align: center;
  transition: transform 0.2s ease;
  animation: border-spin 4s linear infinite;
}

.dropzone.is-drag {
  transform: scale(1.01);
  background:
    linear-gradient(#2a1a22, #2a1a22) padding-box,
    conic-gradient(
        from var(--border-angle),
        #ff8fab,
        #f0c27a,
        #ffb7c5,
        #ff8fab
      )
      border-box;
}

@keyframes border-spin {
  to {
    --border-angle: 360deg;
  }
}

.title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2rem);
  letter-spacing: -0.03em;
}

.lede {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 42rem;
}

.login-form {
  margin-top: 1.4rem;
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.field input {
  appearance: none;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font: inherit;
  background: var(--surface);
  color: var(--ink);
}

.field input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-color: var(--accent);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.75rem 1.15rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn.secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.btn.danger {
  background: transparent;
  border-color: color-mix(in srgb, var(--danger) 45%, var(--line));
  color: var(--danger);
}

.error {
  margin: 0;
  color: var(--danger);
  font-size: 0.92rem;
}

.app-head,
.library-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}

.dropzone:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.drop-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.drop-sub {
  margin: 0.4rem auto 0;
  max-width: 28rem;
  color: var(--muted);
}

.drop-actions {
  margin-top: 1.15rem;
  display: flex;
  gap: 0.65rem;
  justify-content: center;
  flex-wrap: wrap;
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.queue,
.library {
  margin-top: 1.6rem;
}

.library-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.queue-list,
.file-list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.queue-item,
.file-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem 1rem;
  align-items: center;
  padding: 0.9rem 1rem;
}

.file-meta,
.queue-meta {
  min-width: 0;
}

.file-name,
.queue-name {
  margin: 0;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-sub,
.queue-sub {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.file-actions {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.progress {
  grid-column: 1 / -1;
  height: 8px;
  border-radius: 999px;
  background: #24312d;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent-soft));
  transition: width 0.12s linear;
}

.empty {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.shell-wide {
  width: min(1100px, calc(100% - 2rem));
}

.brand-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-mark-sm {
  font-size: clamp(2.2rem, 6vw, 3.2rem) !important;
}

.footer-link {
  margin: 1.5rem 0 0;
  text-align: center;
}

.footer-link a {
  color: var(--muted);
  font-weight: 500;
}

.toolbar {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.85rem;
}

.check-all {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 500;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.inline-select {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.inline-select select {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  font: inherit;
  background: var(--surface);
  color: var(--ink);
}

.status {
  margin: 0.9rem 0 0;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  color: var(--ink);
  font-size: 0.92rem;
}

.status-error {
  background: color-mix(in srgb, var(--danger) 18%, var(--surface));
  color: var(--danger);
}

.file-item {
  grid-template-columns: auto 1fr auto;
}

.file-item.is-downloaded {
  background:
    linear-gradient(90deg, #2a1c18, var(--panel-solid) 45%) padding-box,
    conic-gradient(
        from var(--border-angle),
        #3a2430 0%,
        #f0c27a 28%,
        #ffb7c5 52%,
        #ff8fab 78%,
        #3a2430 100%
      )
      border-box;
}

.file-check {
  display: flex;
  align-items: center;
}

.file-badge {
  margin: 0.35rem 0 0;
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--warn) 28%, var(--surface));
  color: var(--warn);
  font-size: 0.78rem;
  font-weight: 600;
}

[hidden] {
  display: none !important;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .panel,
  .app,
  .file-item,
  .queue-item,
  .dropzone {
    animation: none;
  }

  .particles-canvas {
    display: none;
  }
}

@media (max-width: 640px) {
  .shell {
    padding-top: 2.2rem;
  }

  .queue-item,
  .file-item {
    grid-template-columns: 1fr;
  }

  .file-item {
    grid-template-columns: auto 1fr;
  }

  .file-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}