/*
 * ClassFlow workbench polish
 * --------------------------
 * Corporate-design layer for Gruppeneinteilung and Zufallsgenerator.
 * Loaded last so the existing responsive geometry remains the source of truth.
 */

:root {
  --cf-workbench-bg: #f4f8ff;
  --cf-workbench-surface: #ffffff;
  --cf-workbench-border: #d9e4f2;
  --cf-workbench-ink: #10213b;
  --cf-workbench-muted: #667892;
  --cf-workbench-blue: #246bfe;
  --cf-workbench-violet: #6d4cff;
  --cf-workbench-cyan: #13c8df;
  --cf-workbench-shadow: 0 12px 34px rgba(25, 55, 100, .10);
}

.group-workbench-page .subwindow-shell,
.random-workbench-page .subwindow-shell {
  border-color: #d5e2f1;
  background: linear-gradient(180deg, #fbfdff 0%, var(--cf-workbench-bg) 100%);
  box-shadow: 0 10px 34px rgba(25, 55, 100, .10);
}

.group-workbench-page .subwindow-toolbar,
.random-workbench-page .subwindow-toolbar {
  position: relative;
  border-bottom: 1px solid #dce6f2;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,250,255,.98));
  box-shadow: 0 3px 12px rgba(25, 55, 100, .05);
}

.group-workbench-page .subwindow-toolbar::after,
.random-workbench-page .subwindow-toolbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cf-workbench-violet), var(--cf-workbench-blue), var(--cf-workbench-cyan));
  opacity: .72;
}

.group-workbench-page .subwindow-toolbar__title h1,
.random-workbench-page .subwindow-toolbar__title h1 {
  color: var(--cf-workbench-ink);
  font-weight: 900;
  letter-spacing: -.035em;
}

.group-workbench-page .eyebrow,
.random-workbench-page .eyebrow {
  color: var(--cf-workbench-violet);
  font-weight: 900;
  letter-spacing: .085em;
}

.group-workbench-page .subwindow-toolbar .button,
.random-workbench-page .subwindow-toolbar .button,
.group-workbench-page .group-settings input,
.group-workbench-page .group-settings select {
  border-color: #cddbed;
  background: #fff;
  box-shadow: 0 2px 7px rgba(25, 55, 100, .05);
}

.group-workbench-page .group-settings .button--primary,
.random-workbench-page .button--primary {
  border-color: transparent;
  background: linear-gradient(105deg, var(--cf-workbench-violet), var(--cf-workbench-blue) 56%, var(--cf-workbench-cyan));
  color: #fff;
  box-shadow: 0 7px 18px rgba(74, 79, 231, .24);
}

/* --------------------------------------------------------------------------
 * Gruppeneinteilung
 * ----------------------------------------------------------------------- */
.group-workbench-page .group-board {
  background:
    radial-gradient(circle at 8% 8%, rgba(109, 76, 255, .08), transparent 28%),
    radial-gradient(circle at 92% 18%, rgba(19, 200, 223, .09), transparent 30%),
    linear-gradient(180deg, #f7faff, #f2f6fc);
}

.group-workbench-page .group-card-grid-original {
  align-items: stretch;
}

.group-workbench-page .group-card-original {
  --group-accent-a: #5865f2;
  --group-accent-b: #7c5cff;
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #d7e2ef;
  border-radius: 16px;
  background: rgba(255,255,255,.97) !important;
  box-shadow: 0 9px 26px rgba(28, 55, 94, .09);
}

.group-workbench-page .group-card-original:nth-child(4n+2) {
  --group-accent-a: #1677ff;
  --group-accent-b: #13c8df;
}

.group-workbench-page .group-card-original:nth-child(4n+3) {
  --group-accent-a: #7857eb;
  --group-accent-b: #a354d9;
}

.group-workbench-page .group-card-original:nth-child(4n) {
  --group-accent-a: #2268db;
  --group-accent-b: #6267ee;
}

.group-workbench-page .group-card-original--absent {
  --group-accent-a: #65758b;
  --group-accent-b: #8b99ab;
  background: rgba(250,252,255,.98) !important;
}

.group-workbench-page .group-card-original h2 {
  flex: 0 0 auto;
  margin: 0;
  color: #fff;
  background: linear-gradient(105deg, var(--group-accent-a), var(--group-accent-b));
  text-shadow: 0 1px 2px rgba(14, 29, 53, .18);
  letter-spacing: -.015em;
}

.group-workbench-page .group-dropzone {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
  flex-direction: column;
  gap: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,250,255,.96));
}

.group-workbench-page .group-dropzone.is-drop-target {
  background: linear-gradient(180deg, #eef4ff, #eafcff);
  box-shadow: inset 0 0 0 2px rgba(61, 104, 235, .22);
}

.group-workbench-page .group-student {
  position: relative;
  overflow: hidden;
  border: 1px solid #dce6f2;
  border-left: 4px solid var(--group-accent-a);
  border-radius: 10px;
  background: #fff;
  color: #132640;
  box-shadow: 0 2px 7px rgba(25, 55, 100, .045);
  font-weight: 800;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: transform .14s ease, border-color .14s ease, box-shadow .14s ease, background .14s ease;
}

.group-workbench-page .group-student::before {
  content: "⋮⋮";
  margin-right: 8px;
  color: var(--group-accent-a);
  font-size: .82em;
  letter-spacing: -2px;
  opacity: .78;
}

.group-workbench-page .group-student:hover {
  border-color: #c9d8eb;
  background: #fbfdff;
  box-shadow: 0 5px 14px rgba(25, 55, 100, .10);
  transform: translateY(-1px);
}

.group-workbench-page .group-student.is-dragging {
  opacity: .34;
  transform: scale(.985);
}

.group-workbench-page .group-insertion-marker {
  height: 3px;
  margin: 0 4px;
  background: linear-gradient(90deg, var(--cf-workbench-violet), var(--cf-workbench-cyan));
  box-shadow: 0 0 0 2px rgba(80, 100, 240, .09);
}

/* --------------------------------------------------------------------------
 * Zufallsgenerator
 * ----------------------------------------------------------------------- */
.random-workbench-page .random-window {
  background:
    radial-gradient(circle at 22% 18%, rgba(36, 107, 254, .08), transparent 30%),
    radial-gradient(circle at 78% 12%, rgba(109, 76, 255, .08), transparent 28%),
    #f4f8ff;
}

.random-workbench-page .wheel-panel {
  border: 1px solid #d7e3f2;
  border-radius: 20px;
  background: rgba(255,255,255,.97);
  box-shadow: var(--cf-workbench-shadow);
}

.random-workbench-page .wheel-heading {
  color: var(--cf-workbench-ink);
}

.random-workbench-page .wheel-heading strong {
  font-weight: 900;
  letter-spacing: -.02em;
}

.random-workbench-page .wheel-wrap {
  border: 1px solid #d7e3f2;
  border-radius: 24px;
  background:
    radial-gradient(circle at center, #ffffff 0 45%, #f8fbff 72%, #eef4ff 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.9), 0 14px 38px rgba(25, 55, 100, .12);
}

.random-workbench-page .wheel-canvas {
  width: 96%;
  height: 96%;
  filter: drop-shadow(0 7px 13px rgba(20, 42, 76, .10));
}

.random-workbench-page .wheel-center {
  border-color: var(--cf-workbench-blue);
  background: linear-gradient(180deg, #fff, #f8fbff);
  color: var(--cf-workbench-ink);
  box-shadow: 0 0 0 7px rgba(36,107,254,.07), 0 10px 24px rgba(25,55,100,.11);
}

.random-workbench-page .wheel-pointer {
  filter: drop-shadow(0 4px 4px rgba(25, 55, 100, .30));
}

.random-workbench-page .wheel-status-line {
  align-self: center;
  max-width: 92%;
  border: 1px solid #dbe6f3;
  border-radius: 999px;
  background: #f8fbff;
  color: #536681;
  font-weight: 800;
}

.random-workbench-page .random-side {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  gap: 10px;
  background: transparent;
}

.random-workbench-page .random-side > h2 {
  margin: 0;
  color: #536681;
  font-weight: 900;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.random-workbench-page .draw-mode,
.random-workbench-page .winner-panel,
.random-workbench-page .random-status-box,
.random-workbench-page .random-history-original {
  margin: 0;
  border: 1px solid #d7e3f2;
  border-radius: 15px;
  background: rgba(255,255,255,.98);
  box-shadow: 0 7px 22px rgba(25, 55, 100, .07);
}

.random-workbench-page .draw-mode {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.random-workbench-page .draw-mode label {
  min-width: 0;
  border: 1px solid #dce6f2;
  border-radius: 10px;
  background: #f9fbff;
  color: #213651;
  font-weight: 750;
  cursor: pointer;
}

.random-workbench-page .draw-mode label:has(input:checked) {
  border-color: #8a7af0;
  background: linear-gradient(135deg, #f1edff, #ebf8ff);
  box-shadow: inset 0 0 0 1px rgba(109,76,255,.10);
}

.random-workbench-page .draw-mode input {
  accent-color: var(--cf-workbench-violet);
}

.random-workbench-page .random-side__buttons {
  margin: 0;
}

.random-workbench-page #draw-student {
  font-weight: 900;
  letter-spacing: -.01em;
}

.random-workbench-page .random-side__buttons .button--secondary {
  border-color: #ccd9ea;
  background: #fff;
  color: #213651;
}

.random-workbench-page .winner-panel {
  overflow: hidden;
}

.random-workbench-page .winner-panel h2,
.random-workbench-page .random-history-original h2 {
  color: #536681;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.random-workbench-page .winner-display {
  border: 1px solid #d8e3f2;
  border-radius: 12px;
  background:
    radial-gradient(circle at 50% 0%, rgba(19,200,223,.10), transparent 52%),
    linear-gradient(135deg, #f6f3ff, #eff8ff);
  color: #255fe4;
  text-wrap: balance;
  text-shadow: 0 1px 0 #fff;
}

.random-workbench-page .winner-meta {
  color: #6c7c92;
  font-weight: 700;
}

.random-workbench-page .random-status-box {
  color: #546983;
  background: linear-gradient(135deg, #f9fbff, #f5f8ff);
  line-height: 1.35;
}

.random-workbench-page .random-history-original {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.random-workbench-page .random-history-original ol {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow: hidden;
  border: 0;
  border-top: 1px solid #e2eaf4;
  background: linear-gradient(180deg, #fff, #fbfdff);
  color: #203650;
  font-weight: 700;
}

.random-workbench-page .random-history-original li + li {
  margin-top: 3px;
}

@media (min-width: 900px) and (min-height: 600px) {
  /* Grössere und flächenfüllende Gruppenansicht, ohne Browser-Scrollen. */
  .group-workbench-page .subwindow-toolbar,
  .random-workbench-page .subwindow-toolbar {
    min-height: 56px;
    padding: 6px 10px;
  }

  .group-workbench-page .subwindow-toolbar__title h1,
  .random-workbench-page .subwindow-toolbar__title h1 {
    font-size: clamp(17px, 1.35vw, 24px);
  }

  .group-workbench-page .group-settings label {
    font-size: 9.5px;
  }

  .group-workbench-page .group-settings input,
  .group-workbench-page .group-settings select {
    width: 96px;
    min-height: 32px;
    height: 32px;
    font-size: 11px;
  }

  .group-workbench-page .subwindow-toolbar .button,
  .random-workbench-page .subwindow-toolbar .button {
    min-height: 32px;
    padding: 5px 10px;
    font-size: 11px;
  }

  .group-workbench-page .group-board {
    padding: clamp(8px, .75vw, 14px);
  }

  .group-workbench-page .group-card-grid-original {
    height: 100%;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    grid-auto-rows: minmax(max-content, 1fr);
    gap: clamp(9px, .85vw, 16px);
  }

  .group-workbench-page .group-card-original h2 {
    padding: clamp(8px, .65vw, 12px) 10px;
    font-size: clamp(14px, 1.08vw, 20px);
    line-height: 1;
  }

  .group-workbench-page .group-dropzone {
    padding: clamp(7px, .55vw, 10px);
    gap: clamp(4px, .4vw, 7px);
  }

  .group-workbench-page .group-student {
    padding: clamp(5px, .42vw, 8px) clamp(7px, .55vw, 11px);
    font-size: clamp(11px, .86vw, 16px);
  }

  /* Zufallsgenerator: maximales Rad, aber grosse und gut lesbare Steuerung. */
  .random-workbench-page .random-window {
    gap: 10px;
    padding: 10px;
    grid-template-columns: minmax(460px, 1.62fr) minmax(360px, .88fr);
  }

  .random-workbench-page .wheel-panel {
    padding: 10px 12px 8px;
  }

  .random-workbench-page .wheel-heading {
    margin-bottom: 5px;
    font-size: 13px;
  }

  .random-workbench-page .wheel-heading strong {
    font-size: clamp(14px, 1vw, 18px);
  }

  .random-workbench-page .wheel-status-line {
    margin: 5px 0 0;
    padding: 5px 11px;
    font-size: clamp(10px, .72vw, 13px);
  }

  .random-workbench-page .random-side {
    padding: 0;
    gap: 8px;
    overflow: hidden;
  }

  .random-workbench-page .random-side > h2 {
    padding: 1px 2px 0;
    font-size: clamp(10px, .72vw, 13px);
  }

  .random-workbench-page .draw-mode {
    gap: 6px;
    padding: 7px;
  }

  .random-workbench-page .draw-mode label {
    gap: 7px;
    padding: 8px 9px;
    font-size: clamp(10px, .76vw, 14px);
  }

  .random-workbench-page .random-side__buttons {
    gap: 6px;
  }

  .random-workbench-page .random-side__buttons .button {
    min-height: 36px;
    font-size: clamp(10px, .76vw, 14px);
  }

  .random-workbench-page .winner-panel {
    padding: 8px;
  }

  .random-workbench-page .winner-panel h2,
  .random-workbench-page .random-history-original h2 {
    margin: 0 0 6px;
    font-size: clamp(10px, .72vw, 13px);
  }

  .random-workbench-page .winner-display {
    min-height: clamp(72px, 11dvh, 118px);
    padding: 9px;
    font-size: clamp(24px, 2.45vw, 46px);
    line-height: 1.02;
  }

  .random-workbench-page .winner-meta {
    margin: 5px 0 0;
    font-size: clamp(9px, .62vw, 11px);
  }

  .random-workbench-page .random-status-box {
    padding: 7px 9px;
    font-size: clamp(9px, .68vw, 12px);
  }

  .random-workbench-page .random-history-original {
    padding: 8px 8px 0;
  }

  .random-workbench-page .random-history-original ol {
    margin: 0 -8px;
    padding: 7px 10px 8px 30px;
    font-size: clamp(10px, .72vw, 13px);
  }
}

@media (max-width: 899px), (max-height: 599px) {
  .group-workbench-page .group-card-original,
  .random-workbench-page .wheel-panel,
  .random-workbench-page .draw-mode,
  .random-workbench-page .winner-panel,
  .random-workbench-page .random-status-box,
  .random-workbench-page .random-history-original {
    border-radius: 14px;
  }

  .group-workbench-page .group-student {
    font-size: 14px;
    padding: 8px 10px;
  }

  .random-workbench-page .draw-mode {
    grid-template-columns: 1fr;
  }
}