/*
 * ClassFlow random picker
 * -----------------------
 * A deliberately flatter, calmer workbench for the random student picker.
 * The outer subwindow remains the only desktop card. Controls are separated
 * by spacing and hairlines instead of stacking cards inside cards.
 */

:root {
  --random-violet: #6f4bd8;
  --random-violet-deep: #5636b8;
  --random-violet-soft: #eee8fb;
  --random-blue: #5577d7;
  --random-cyan: #58a9c9;
  --random-ink: #241b36;
  --random-muted: #746b82;
  --random-line: #ddd6e8;
  --random-surface: #ffffff;
}

.random-workbench-page .subwindow-shell {
  background: var(--random-surface);
  border-color: #d8d1e4;
  box-shadow: 0 10px 30px rgba(61, 43, 99, .09);
}

.random-workbench-page .subwindow-toolbar {
  background: linear-gradient(180deg, #ffffff 0%, #faf8fd 100%);
  border-bottom-color: var(--random-line);
  box-shadow: none;
}

.random-workbench-page .subwindow-toolbar::after {
  height: 2px;
  background: linear-gradient(90deg, #6f4bd8 0%, #8f6ce8 52%, #6f93d5 100%);
  opacity: .88;
}

.random-workbench-page .random-window {
  min-height: 0;
  gap: 0;
  padding: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(111, 75, 216, .085), transparent 32%),
    radial-gradient(circle at 64% 92%, rgba(85, 119, 215, .07), transparent 35%),
    #f8f6fb;
}

/* Left stage: no nested card, just a spacious wheel canvas. */
.random-workbench-page .wheel-panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: clamp(18px, 1.45vw, 26px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.random-workbench-page .wheel-heading {
  margin: 0;
  padding: 0 clamp(2px, .35vw, 6px);
  color: var(--random-ink);
}

.random-workbench-page .wheel-heading__title {
  display: grid;
  gap: 2px;
}

.random-workbench-page .wheel-heading__title span {
  color: var(--random-violet-deep);
  font-size: clamp(9px, .62vw, 11px);
  font-weight: 850;
  letter-spacing: .085em;
  text-transform: uppercase;
}

.random-workbench-page .wheel-heading strong {
  font-size: clamp(16px, 1.08vw, 20px);
  font-weight: 850;
  letter-spacing: -.025em;
}

.random-workbench-page .wheel-pool-pill {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 4px 10px;
  border: 1px solid #d5cce5;
  border-radius: 999px;
  background: rgba(255, 255, 255, .82);
  color: #5d5270;
  font-size: clamp(10px, .68vw, 12px);
  font-weight: 750;
  white-space: nowrap;
}

.random-workbench-page .wheel-stage {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: clamp(6px, .8vw, 14px) 0 0;
}

.random-workbench-page .wheel-wrap {
  position: relative;
  width: min(100%, 720px);
  max-height: 100%;
  aspect-ratio: 1;
  margin: auto;
  overflow: visible;
  border: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 46%, rgba(255,255,255,.98) 0 31%, rgba(244,240,250,.94) 31.5% 34%, transparent 34.5%),
    radial-gradient(circle at 50% 50%, rgba(111,75,216,.07), rgba(111,75,216,0) 69%);
  box-shadow: none;
}

.random-workbench-page .wheel-wrap::before {
  content: "";
  position: absolute;
  inset: 3.5%;
  border-radius: 50%;
  box-shadow:
    0 18px 42px rgba(64, 46, 105, .16),
    0 3px 10px rgba(64, 46, 105, .08);
  pointer-events: none;
}

.random-workbench-page .wheel-canvas {
  width: 100%;
  height: 100%;
  filter: none;
  transition: none !important;
  will-change: transform;
}

.random-workbench-page .wheel-pointer {
  position: absolute;
  z-index: 5;
  top: 1.2%;
  left: 50%;
  width: clamp(24px, 2vw, 34px);
  height: clamp(31px, 2.6vw, 44px);
  transform: translateX(-50%);
  transform-origin: 50% 0;
  border: 0 !important;
  background: linear-gradient(180deg, #8564df 0%, #6645c9 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  filter: drop-shadow(0 5px 7px rgba(61, 43, 99, .28));
}

.random-workbench-page .wheel-center {
  position: absolute;
  z-index: 6;
  left: 50%;
  top: 50%;
  width: 27%;
  min-width: 112px;
  max-width: 184px;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.74);
  border-radius: 50%;
  background: linear-gradient(145deg, #7c59dc 0%, #6847cf 58%, #5636b8 100%);
  color: #fff;
  box-shadow:
    0 0 0 8px rgba(111, 75, 216, .08),
    0 13px 28px rgba(77, 50, 141, .24),
    inset 0 1px 0 rgba(255,255,255,.28);
  font: inherit;
  font-size: clamp(17px, 1.45vw, 27px);
  font-weight: 850;
  line-height: 1.05;
  text-align: center;
  text-wrap: balance;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

.random-workbench-page .wheel-center:hover:not(:disabled) {
  transform: translate(-50%, -50%) scale(1.035);
  box-shadow:
    0 0 0 10px rgba(111, 75, 216, .09),
    0 16px 32px rgba(77, 50, 141, .27),
    inset 0 1px 0 rgba(255,255,255,.30);
}

.random-workbench-page .wheel-center:focus-visible {
  outline: 3px solid rgba(111, 75, 216, .25);
  outline-offset: 5px;
}

.random-workbench-page .wheel-center:disabled {
  cursor: default;
  opacity: .96;
}

.random-workbench-page .wheel-is-spinning .wheel-center::after {
  content: none !important;
  display: none !important;
}

.random-workbench-page .wheel-is-spinning .wheel-wrap::before {
  box-shadow:
    0 20px 48px rgba(64, 46, 105, .20),
    0 4px 12px rgba(64, 46, 105, .10);
}

.random-workbench-page .wheel-is-finishing .wheel-center {
  box-shadow:
    0 0 0 12px rgba(111, 75, 216, .09),
    0 16px 34px rgba(77, 50, 141, .27),
    inset 0 1px 0 rgba(255,255,255,.30);
}

/* The old text progress line is intentionally gone. */
.random-workbench-page .wheel-status-line {
  display: none !important;
}

/* Right side: one control surface with simple dividers, no card stack. */
.random-workbench-page .random-side {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 0;
  padding: 0;
  overflow: hidden;
  border-left: 1px solid var(--random-line);
  background: rgba(255, 255, 255, .88);
}

.random-workbench-page .random-controls,
.random-workbench-page .random-result,
.random-workbench-page .random-history-original {
  min-width: 0;
  margin: 0;
  padding: clamp(16px, 1.25vw, 22px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.random-workbench-page .random-controls,
.random-workbench-page .random-result {
  border-bottom: 1px solid #e4deeb;
}

.random-workbench-page .random-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.random-workbench-page .random-section-heading .eyebrow {
  margin: 0 0 2px;
  color: var(--random-violet-deep);
}

.random-workbench-page .random-section-heading h2,
.random-workbench-page .random-result h2,
.random-workbench-page .random-history-original h2 {
  margin: 0;
  color: var(--random-ink);
  font-size: clamp(14px, .96vw, 18px);
  font-weight: 850;
  letter-spacing: -.02em;
  text-transform: none;
}

.random-workbench-page .random-counter,
.random-workbench-page .history-count {
  color: #7a7089;
  font-size: clamp(10px, .66vw, 12px);
  font-weight: 750;
  white-space: nowrap;
}

.random-workbench-page .draw-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  margin: 0;
  padding: 4px;
  border: 1px solid #d8d0e4;
  border-radius: 10px;
  background: #f2eef8;
  box-shadow: none;
}

.random-workbench-page .draw-mode label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
  min-height: 40px;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: #594f68;
  font-size: clamp(10px, .72vw, 13px);
  font-weight: 750;
  cursor: pointer;
  transition: background .14s ease, color .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.random-workbench-page .draw-mode label:has(input:checked) {
  border-color: #d1c6e4;
  background: #fff;
  color: #4f2eaa;
  box-shadow: 0 2px 7px rgba(61, 43, 99, .08);
}

.random-workbench-page .draw-mode input {
  width: auto;
  min-height: 0;
  margin: 0;
  accent-color: var(--random-violet);
}

.random-workbench-page .random-side__buttons {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 7px;
  margin-top: 11px;
}

.random-workbench-page .random-side__buttons .button,
.random-workbench-page .random-side__buttons .button:first-child {
  grid-column: auto;
  min-width: 0;
}

.random-workbench-page #draw-student {
  border-color: #6545c5;
  background: linear-gradient(180deg, #7958dd 0%, #6847cf 100%);
  box-shadow: 0 4px 10px rgba(91, 61, 176, .20);
  font-weight: 850;
}

.random-workbench-page #draw-student:hover:not(:disabled) {
  background: linear-gradient(180deg, #704fd2 0%, #5d3bc3 100%);
}

.random-workbench-page .random-mode-help {
  margin: 9px 1px 0;
  color: #7a7089;
  font-size: clamp(9.5px, .64vw, 11.5px);
  line-height: 1.35;
}

.random-workbench-page .random-result {
  position: relative;
  overflow: hidden;
}

.random-workbench-page .random-result::after {
  content: "";
  position: absolute;
  right: -52px;
  top: -72px;
  width: 170px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111,75,216,.10), rgba(111,75,216,0) 68%);
  pointer-events: none;
}

.random-workbench-page .random-result .eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 7px;
  color: var(--random-violet-deep);
}

.random-workbench-page .winner-display {
  position: relative;
  z-index: 1;
  min-height: 0;
  display: block;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #5e3dc1;
  font-size: clamp(28px, 2.65vw, 50px);
  font-weight: 880;
  line-height: 1.02;
  letter-spacing: -.04em;
  text-align: left;
  text-shadow: none;
  text-wrap: balance;
}

.random-workbench-page .winner-meta {
  position: relative;
  z-index: 1;
  margin: 8px 0 0;
  color: #7a7089;
  font-size: clamp(10px, .67vw, 12px);
  font-weight: 700;
  text-align: left;
}

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

.random-workbench-page .random-history-original .random-section-heading {
  flex: 0 0 auto;
  align-items: center;
  margin-bottom: 9px;
}

.random-workbench-page .random-history-original ol {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  border: 0;
  background: transparent;
  color: #4c4359;
  font-size: clamp(11px, .75vw, 13px);
  font-weight: 650;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: #cfc4df transparent;
}

.random-workbench-page .random-history-original li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 31px;
  padding: 4px 2px;
  border-bottom: 1px solid #eee9f3;
}

.random-workbench-page .random-history-original li::before {
  content: attr(data-index);
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 7px;
  background: #eee8fb;
  color: #6542c9;
  font-size: 10px;
  font-weight: 850;
}

.random-workbench-page .random-history-original li:last-child {
  border-bottom: 0;
}

.random-workbench-page .random-history-original li + li {
  margin-top: 0;
}

.random-workbench-page .random-history-empty {
  display: block !important;
  padding: 7px 1px !important;
  border: 0 !important;
  color: #958ba1;
  font-weight: 600;
}

.random-workbench-page .random-history-empty::before {
  content: none !important;
}

/* Desktop and tablet widths remain locked to the viewport. Scrolling starts
 * only when the random picker switches to the mobile layout below 720px. */
@media (min-width: 720px) {
  body.random-workbench-page {
    height: 100dvh;
    min-height: 0;
    display: grid;
    grid-template-rows: var(--compact-header-h) minmax(0, 1fr) var(--compact-footer-h);
    overflow: hidden;
  }

  .random-workbench-page .page-shell {
    width: min(1720px, calc(100% - 16px));
    height: 100%;
    min-height: 0;
    margin: 0 auto;
    padding: var(--compact-page-gap) 0;
    overflow: hidden;
  }

  .random-workbench-page .subwindow-shell {
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    border-radius: 11px;
  }

  .random-workbench-page .subwindow-toolbar {
    flex: 0 0 auto;
    min-height: 48px;
    padding: 6px 10px;
  }

  .random-workbench-page .random-window {
    flex: 1 1 auto;
    display: grid;
    min-height: 0;
    grid-template-columns: minmax(420px, 1.55fr) minmax(330px, .82fr);
    overflow: hidden;
  }

  .random-workbench-page .wheel-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .random-workbench-page .wheel-stage {
    overflow: hidden;
  }

  .random-workbench-page .wheel-wrap {
    width: min(100%, calc(100dvh - 150px));
    height: min(100%, calc(100dvh - 150px));
    max-width: calc(100% - 8px);
    max-height: calc(100% - 4px);
  }

  .random-workbench-page .random-controls,
  .random-workbench-page .random-result,
  .random-workbench-page .random-history-original {
    padding: clamp(12px, 1.08vw, 19px);
  }
}

@media (min-width: 720px) and (max-width: 1050px) {
  .random-workbench-page .random-window {
    grid-template-columns: minmax(390px, 1.4fr) minmax(300px, .9fr);
  }

  .random-workbench-page .wheel-center {
    min-width: 98px;
  }

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

  .random-workbench-page .random-side__buttons #draw-student {
    grid-column: 1 / -1;
  }
}

/* Mobile: normal document flow and scrolling are intentional. */
@media (max-width: 719px) {
  body.random-workbench-page {
    height: auto;
    min-height: 100%;
    display: block;
    overflow-x: hidden;
    overflow-y: auto;
  }

  .random-workbench-page .page-shell {
    width: min(100% - 14px, 680px);
    height: auto;
    margin: 0 auto;
    padding: 8px 0 14px;
    overflow: visible;
  }

  .random-workbench-page .subwindow-shell {
    height: auto;
    overflow: visible;
    border-radius: 12px;
  }

  .random-workbench-page .subwindow-toolbar {
    align-items: flex-start;
    gap: 8px;
    padding: 9px;
  }

  .random-workbench-page .subwindow-toolbar__title {
    align-items: flex-start;
  }

  .random-workbench-page .subwindow-toolbar__title h1 {
    font-size: 17px;
    line-height: 1.12;
  }

  .random-workbench-page .random-window {
    display: block;
    overflow: visible;
  }

  .random-workbench-page .wheel-panel {
    padding: 14px 10px 18px;
  }

  .random-workbench-page .wheel-heading {
    margin-bottom: 7px;
  }

  .random-workbench-page .wheel-stage {
    display: block;
    padding-top: 6px;
  }

  .random-workbench-page .wheel-wrap {
    width: min(92vw, 560px);
    height: auto;
    max-width: 100%;
  }

  .random-workbench-page .wheel-center {
    min-width: 86px;
    max-width: 126px;
    font-size: clamp(15px, 4.5vw, 21px);
  }

  .random-workbench-page .random-side {
    display: block;
    overflow: visible;
    border-top: 1px solid var(--random-line);
    border-left: 0;
  }

  .random-workbench-page .random-controls,
  .random-workbench-page .random-result,
  .random-workbench-page .random-history-original {
    padding: 16px 14px;
  }

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

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

  .random-workbench-page .random-side__buttons #draw-student {
    grid-column: 1 / -1;
  }

  .random-workbench-page .winner-display {
    font-size: clamp(30px, 9vw, 46px);
  }

  .random-workbench-page .random-history-original ol {
    max-height: 260px;
    overflow-y: auto;
  }
}

@media (max-width: 440px) {
  .random-workbench-page .subwindow-toolbar > strong {
    display: none;
  }

  .random-workbench-page .wheel-pool-pill {
    min-height: 26px;
    padding-inline: 8px;
  }

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