/* ═══════════ Design Tokens ═══════════ */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-primary: #e8e8f0;
  --text-secondary: #8b8ba0;
  --text-muted: #5a5a72;
  --accent-purple: #a78bfa;
  --accent-blue: #60a5fa;
  --accent-pink: #f472b6;
  --accent-green: #34d399;
  --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #60a5fa 100%);
  --gradient-warm: linear-gradient(135deg, #f472b6 0%, #a78bfa 100%);
  --shadow-glow: 0 0 40px rgba(167, 139, 250, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════ Reset ═══════════ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* ═══════════ Page System ═══════════ */
.page {
  display: none;
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.page.active {
  display: flex;
  opacity: 1;
  z-index: 1;
}

/* ═══════════ Landing Page ═══════════ */
.landing-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 600px at 20% 30%, rgba(167, 139, 250, 0.12), transparent),
    radial-gradient(ellipse 500px 500px at 80% 70%, rgba(96, 165, 250, 0.10), transparent),
    radial-gradient(ellipse 400px 400px at 50% 50%, rgba(244, 114, 182, 0.06), transparent);
  animation: bgPulse 12s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0% {
    opacity: 0.8;
    transform: scale(1);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.landing-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 2rem;
  position: relative;
  z-index: 2;
}

/* Logo */
.logo-area {
  text-align: center;
  margin-bottom: 3rem;
}

.logo-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.2rem;
  animation: logoFloat 4s ease-in-out infinite;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

@keyframes logoFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.logo-text {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  margin-top: 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.logo-credit {
  margin-top: 0.45rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* Action Cards */
.card-row {
  display: flex;
  gap: 1.5rem;
  max-width: 640px;
  width: 100%;
}

.action-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.2rem 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
}

.action-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 1.2rem;
  transition: var(--transition);
}

.create-icon {
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-purple);
}

.join-icon {
  background: rgba(96, 165, 250, 0.15);
  color: var(--accent-blue);
}

.action-card:hover .card-icon {
  transform: scale(1.1);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ═══════════ Sub-Pages (Create / Join) ═══════════ */
.page-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 2rem;
  position: relative;
}

.btn-back {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background: none;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-back:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.glass-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-card);
}

.glass-panel h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.panel-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.8rem;
  line-height: 1.6;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.85rem 1.5rem;
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: var(--transition);
}

.btn-primary:hover::before {
  background: rgba(255, 255, 255, 0.1);
}

.btn-primary:active {
  transform: scale(0.98);
}

/* Passcode Display */
.passcode-display {
  margin-top: 1.5rem;
  text-align: center;
  padding: 1.5rem;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: var(--radius-md);
  animation: fadeInUp 0.4s ease;
}

.passcode-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.passcode-value {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.8rem;
}

.btn-copy {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.82rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
}

.status-text {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--accent-green);
  text-align: center;
}

/* Form */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15);
}

#input-passcode {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  font-size: 1.2rem;
  text-align: center;
}

.error-text {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--accent-pink);
  text-align: center;
}

.hidden {
  display: none !important;
}

/* ═══════════ Room Header ═══════════ */
.room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  flex-shrink: 0;
}

.room-header-left,
.room-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.room-badge {
  display: inline-flex;
  padding: 0.3rem 0.8rem;
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-purple);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
}

.participant-badge {
  background: rgba(96, 165, 250, 0.15);
  color: var(--accent-blue);
}

.room-code-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.room-code-label strong {
  color: var(--text-primary);
  letter-spacing: 0.15em;
}

.participant-count {
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
}

.participant-name-display {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ═══════════ Creator Grid ═══════════ */
#page-creator {
  flex-direction: column;
}

.creator-grid {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.2rem;
  align-content: start;
}

.creator-grid::-webkit-scrollbar {
  width: 6px;
}

.creator-grid::-webkit-scrollbar-track {
  background: transparent;
}

.creator-grid::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-icon svg {
  width: 100%;
  height: 100%;
}

.empty-state p {
  font-size: 1rem;
}

.empty-hint {
  font-size: 0.82rem;
  margin-top: 0.4rem;
}

/* Participant Card in Creator View */
.participant-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: fadeInUp 0.4s ease;
}

.participant-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-glass);
}

.participant-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.participant-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.participant-card-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 320 / 240;
  height: auto;
  background: #fff;
}

/* ── Drag & Drop ── */
.drag-handle {
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: grab;
  user-select: none;
  padding: 0 0.3rem 0 0;
  line-height: 1;
  transition: color var(--transition);
  flex-shrink: 0;
}

.drag-handle:hover {
  color: var(--text-secondary);
}

.drag-handle:active {
  cursor: grabbing;
}

.participant-card.dragging {
  opacity: 0.35;
  border-style: dashed;
  border-color: var(--accent-purple);
}

.participant-card.drag-over {
  border-color: var(--accent-purple);
  background: rgba(167, 139, 250, 0.08);
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.3), var(--shadow-card);
  transform: scale(1.01);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

/* ═══════════ Participant Whiteboard ═══════════ */
#page-participant {
  flex-direction: column;
}

.canvas-wrapper {
  flex: 1;
  position: relative;
  background: #2a2a40;
  /* Darker background to show canvas edges */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1rem;
}

#whiteboard {
  display: block;
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  cursor: crosshair;
  /* Maintain 320x240 aspect ratio, max width/height */
  aspect-ratio: 320 / 240;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Toolbar */
.toolbar {
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
}

.tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.tool-btn svg {
  width: 18px;
  height: 18px;
}

.tool-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.tool-btn.active {
  color: var(--accent-purple);
  background: rgba(167, 139, 250, 0.12);
  border-color: rgba(167, 139, 250, 0.3);
}

.tool-btn.danger:hover {
  color: var(--accent-pink);
  background: rgba(244, 114, 182, 0.12);
}

.tool-color {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-glass);
  border-radius: 50%;
  cursor: pointer;
  background: none;
  padding: 0;
  overflow: hidden;
}

.tool-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.tool-color::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

.tool-size {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}

.tool-size option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ═══════════ Animations ═══════════ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ═══════════ Quiz Panel — Mark Buttons ═══════════ */
.mark-buttons {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

.mark-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  padding: 0;
}

.mark-btn:hover {
  transform: scale(1.15);
}

.mark-btn-correct {
  color: #22d3ee;
  border-color: rgba(34, 211, 238, 0.25);
}

.mark-btn-correct:hover {
  background: rgba(34, 211, 238, 0.15);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.3);
}

.mark-btn-wrong {
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.25);
}

.mark-btn-wrong:hover {
  background: rgba(248, 113, 113, 0.15);
  box-shadow: 0 0 12px rgba(248, 113, 113, 0.3);
}

/* Reset All Marks Button */
.btn-reset-marks {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: var(--radius-sm);
  color: #f87171;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-reset-marks:hover {
  background: rgba(248, 113, 113, 0.2);
  border-color: rgba(248, 113, 113, 0.4);
}

.btn-reset-marks svg {
  flex-shrink: 0;
}

/* ═══════════ Quiz Panel — Mark Overlay (Creator Card) ═══════════ */
.participant-card {
  position: relative;
}

.mark-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 10;
  animation: markPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.mark-overlay-symbol {
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 40px rgba(220, 38, 38, 0.6), 0 4px 20px rgba(0, 0, 0, 0.4);
  filter: drop-shadow(0 0 24px rgba(220, 38, 38, 0.5));
}

.mark-overlay-correct .mark-overlay-symbol {
  color: #ef4444;
  /* Red outlined circle — drawn with border */
}

.mark-overlay-wrong .mark-overlay-symbol {
  color: #ef4444;
}

@keyframes markPopIn {
  0% {
    opacity: 0;
    transform: scale(0.3) rotate(-8deg);
  }

  60% {
    opacity: 1;
    transform: scale(1.1) rotate(2deg);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes markFadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }

  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

.mark-overlay.removing {
  animation: markFadeOut 0.35s ease forwards;
}

/* ═══════════ Quiz Panel — Participant Full-Screen Overlay ═══════════ */
.participant-mark-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  pointer-events: none;
  animation: markPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.participant-mark-overlay .mark-symbol-large {
  font-size: min(50vw, 50vh);
  font-weight: 900;
  line-height: 1;
  color: #ef4444;
  text-shadow: 0 0 80px rgba(220, 38, 38, 0.5), 0 8px 40px rgba(0, 0, 0, 0.3);
  filter: drop-shadow(0 0 40px rgba(220, 38, 38, 0.4));
}

.participant-mark-overlay.removing {
  animation: markFadeOut 0.35s ease forwards;
}

/* ═══════════ Responsive ═══════════ */
@media (max-width: 600px) {
  .card-row {
    flex-direction: column;
  }

  .logo-text {
    font-size: 1.8rem;
  }

  .glass-panel {
    padding: 1.5rem;
  }

  .creator-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .toolbar {
    gap: 0.3rem;
  }

  .mark-overlay-symbol {
    font-size: 5rem;
  }

  .btn-reset-marks span {
    display: none;
  }
}

/* ═══════════ Lock Feature ═══════════ */

/* Lock button on participant cards (creator side) */
.lock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.28rem 0.65rem;
  border-radius: 6px;
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.lock-btn:hover {
  background: rgba(255, 180, 0, 0.12);
  border-color: rgba(255, 180, 0, 0.4);
  color: #fbbf24;
}

/* Locked state — button shows "解除" (unlock) */
.lock-btn.is-locked {
  background: rgba(255, 180, 0, 0.15);
  border-color: rgba(255, 180, 0, 0.5);
  color: #fbbf24;
}

.lock-btn.is-locked:hover {
  background: rgba(255, 180, 0, 0.25);
  border-color: rgba(255, 180, 0, 0.7);
}

/* Lock badge overlay shown on the creator's card canvas area */
.locked-badge {
  position: absolute;
  bottom: 0.5rem;
  right: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(251, 191, 36, 0.18);
  border: 1px solid rgba(251, 191, 36, 0.4);
  color: #fbbf24;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  pointer-events: none;
  z-index: 5;
  animation: fadeInUp 0.3s ease;
}

.locked-badge.removing {
  animation: markFadeOut 0.3s ease forwards;
}

/* ── Toolbar disabled state (participant side) ── */
.toolbar-locked {
  opacity: 0.35;
  pointer-events: none;
  filter: grayscale(60%);
  transition: opacity 0.3s, filter 0.3s;
}

/* ── Lock notice bar (participant side) ── */
.lock-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: rgba(251, 191, 36, 0.12);
  border-bottom: 1px solid rgba(251, 191, 36, 0.3);
  color: #fbbf24;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  animation: fadeInDown 0.3s ease;
  flex-shrink: 0;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lock-notice span.lock-icon {
  font-size: 1rem;
}