:root {
  --bg: #0a0a0a;
  --paper: #f4f1ea;
  --red: #ff2a00;
  --yellow: #ccff00;
  --black: #111111;
  --border: 4px solid var(--black);
  --shadow: 8px 8px 0 var(--black);
  --shadow-sm: 4px 4px 0 var(--black);
  --radius: 0;
  --font-display: "Arial Black", "Impact", "Helvetica Neue", sans-serif;
  --font-body: "Courier New", "Consolas", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--black);
  font-family: var(--font-body);
  line-height: 1.5;
}

body {
  padding-bottom: 120px;
  overflow-x: hidden;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 12px 120px;
}

.page {
  display: none;
  animation: cutIn 0.18s ease-out;
}

.page.active {
  display: block;
}

@keyframes cutIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Header */
.brutal-header {
  border: var(--border);
  background: var(--yellow);
  padding: 32px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
  transform: rotate(-1deg);
}

.brutal-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 10vw, 4.2rem);
  text-transform: uppercase;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--black);
  position: relative;
}

.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 4px;
  top: 4px;
  color: var(--red);
  z-index: -1;
}

.sub {
  margin-top: 12px;
  font-weight: bold;
  font-size: 1rem;
  letter-spacing: 1px;
}

.page-header {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  margin-bottom: 24px;
  border-bottom: var(--border);
  padding-bottom: 12px;
}

.page-header h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  background: var(--paper);
  padding: 4px 12px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
}

.page-counter {
  font-weight: bold;
  font-size: 1.1rem;
  background: var(--yellow);
  border: var(--border);
  padding: 4px 10px;
}

/* Cards */
.card {
  background: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  margin-bottom: 28px;
  position: relative;
}

.card-badge {
  position: absolute;
  top: -14px;
  left: 18px;
  background: var(--black);
  color: var(--paper);
  font-weight: bold;
  font-size: 0.85rem;
  padding: 4px 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-badge.warn {
  background: var(--red);
  color: #fff;
}

.deck {
  transform: rotate(0.6deg);
}

.import-card {
  transform: rotate(-0.5deg);
}

.bank-list-card {
  transform: rotate(0.4deg);
}

.bank-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.bank-card {
  border: var(--border);
  background: #fff;
  padding: 0;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s, box-shadow 0.12s;
  position: relative;
  overflow: hidden;
}

.bank-card::before {
  content: '';
  display: block;
  height: 5px;
  background: var(--black);
  transition: background 0.15s;
}

.bank-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.bank-card.active {
  background: var(--yellow);
  border-color: var(--red);
}

.bank-card.active::before {
  background: var(--red);
}

.bank-card.active::after {
  content: '✓ 当前';
  position: absolute;
  top: 8px;
  right: 10px;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 10px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.bank-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  padding: 14px 16px 8px;
  margin: 0;
  word-break: break-word;
  line-height: 1.3;
}

.bank-meta {
  font-size: 0.82rem;
  font-weight: bold;
  color: #555;
  padding: 0 16px 14px;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bank-meta::before {
  content: '📋';
  font-size: 0.9rem;
}

.bank-empty {
  border: 3px dashed var(--black);
  padding: 36px 28px;
  text-align: center;
  font-weight: bold;
  color: #888;
  grid-column: 1 / -1;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.study-card {
  transform: rotate(-0.3deg);
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.study-box {
  border: var(--border);
  padding: 16px;
  text-align: center;
  background: #fff;
}

.study-box.wide {
  grid-column: 1 / -1;
}

.study-controls {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 3px solid var(--black);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.threshold-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-weight: bold;
}

.threshold-row input[type="number"] {
  width: 90px;
  border: var(--border);
  padding: 8px 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.threshold-hint {
  font-size: 0.8rem;
  color: #444;
  font-weight: normal;
}

.stat-box {
  border: var(--border);
  padding: 16px;
  text-align: center;
  background: #fff;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--red);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 1px;
}

/* Form */
textarea {
  width: 100%;
  min-height: 160px;
  border: var(--border);
  background: #fff;
  padding: 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  resize: vertical;
  outline: none;
  box-shadow: var(--shadow-sm);
  margin: 14px 0;
}

textarea:focus {
  background: #fffef0;
}

.memory-input {
  min-height: 120px;
  margin: 18px 0 10px;
}

/* Buttons */
.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  flex: 1;
  min-width: 100px;
  border: var(--border);
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: bold;
  padding: 14px 18px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
  transition: transform 0.08s, box-shadow 0.08s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:active {
  transform: translateY(4px);
  box-shadow: 0 0 0 var(--black);
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-secondary {
  background: var(--paper);
  color: var(--black);
}

.btn-reset {
  width: 100%;
  margin-top: 16px;
  background: var(--black);
  color: var(--yellow);
}

/* Question card */
.question-card {
  transform: rotate(0.3deg);
}

.q-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--yellow);
  text-shadow: 4px 4px 0 var(--black);
  margin-bottom: 12px;
  line-height: 1;
}

.q-text {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 20px;
  border-left: 8px solid var(--red);
  padding-left: 16px;
}

.q-answer {
  display: none;
  background: #fff;
  border: var(--border);
  padding: 16px;
  margin-bottom: 12px;
  font-weight: bold;
}

.q-answer.visible {
  display: block;
}

.q-explain {
  display: none;
  background: #eee;
  border: 3px solid var(--black);
  padding: 14px;
  font-size: 0.95rem;
}

.q-explain.visible {
  display: block;
}

.answer-reveal {
  background: var(--yellow);
  border: var(--border);
  padding: 12px 16px;
  margin-top: 16px;
}

.answer-reveal.hidden {
  display: none;
}

.reveal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.reveal-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.eye-icon {
  font-size: 1.4rem;
  cursor: help;
  user-select: none;
  padding: 4px 8px;
  border: 3px solid var(--black);
  background: #fff;
  line-height: 1;
  transition: transform 0.12s;
}

.eye-icon:hover {
  transform: scale(1.15);
  background: var(--yellow);
}

.reveal-content {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 3px solid var(--black);
  font-weight: bold;
}

.reveal-content.hidden {
  display: none;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.modal-content {
  position: relative;
  background: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border);
  padding: 14px 18px;
  background: var(--yellow);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.modal-close {
  border: var(--border);
  background: var(--red);
  color: #fff;
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 10px;
}

.picker-num {
  border: var(--border);
  background: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 10px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.08s, box-shadow 0.08s;
}

.picker-num:hover,
.picker-num.current {
  background: var(--yellow);
}

.picker-num:active {
  transform: translateY(3px);
  box-shadow: 0 0 0 var(--black);
}

/* Feedback */
.feedback {
  margin-top: 16px;
  padding: 14px;
  border: var(--border);
  font-weight: bold;
  display: none;
}

.feedback.correct {
  display: block;
  background: var(--yellow);
  animation: flashCorrect 0.4s ease;
}

.feedback.wrong {
  display: block;
  background: var(--red);
  color: #fff;
  animation: flashWrong 0.4s ease;
}

@keyframes flashCorrect {
  0% { background: #fff; }
  50% { background: var(--yellow); }
  100% { background: var(--yellow); }
}

@keyframes flashWrong {
  0% { background: #fff; }
  50% { background: var(--red); }
  100% { background: var(--red); }
}

.import-msg {
  margin-top: 12px;
  font-weight: bold;
  min-height: 1.5em;
}

.import-msg.ok {
  color: #1a5c00;
}

.import-msg.err {
  color: var(--red);
}

.hidden {
  display: none !important;
}

/* Score bar */
.score-bar {
  width: 100%;
  height: 24px;
  border: var(--border);
  background: #fff;
  margin-top: 18px;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  width: 0%;
  background: var(--yellow);
  transition: width 0.3s ease;
}

.score-text {
  margin-top: 8px;
  font-weight: bold;
}

/* Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  background: var(--paper);
  border: var(--border);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.bottom-nav.hidden-nav {
  transform: translate(-50%, 120px);
  opacity: 0;
  pointer-events: none;
}

.nav-item {
  flex: 1;
  min-width: 64px;
  border: none;
  border-right: var(--border);
  background: var(--paper);
  color: var(--black);
  padding: 10px 14px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: bold;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: background 0.15s;
}

.nav-item:last-child {
  border-right: none;
}

.nav-item:hover,
.nav-item.active {
  background: var(--yellow);
}

.nav-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Danger zone */
.danger-zone {
  background: #ffe8e3;
  transform: rotate(-0.4deg);
}

.eye-icon.show {
  background: var(--yellow);
  transform: scale(1.15);
}

/* Responsive — 手机 */
@media (max-width: 640px) {
  #app {
    padding: 16px 12px 120px;
  }

  .brutal-header {
    padding: 20px 14px;
    margin-bottom: 22px;
  }

  .brutal-header h1 {
    font-size: clamp(1.8rem, 12vw, 2.8rem);
    letter-spacing: -1px;
  }

  .sub {
    font-size: 0.85rem;
  }

  .page-header {
    margin-bottom: 18px;
  }

  .page-header h2 {
    font-size: 1.6rem;
  }

  .page-counter {
    font-size: 0.9rem;
  }

  .card {
    padding: 20px 14px;
    margin-bottom: 22px;
  }

  .q-num {
    font-size: 2.2rem;
  }

  .q-text {
    font-size: 1.1rem;
    border-left-width: 6px;
    padding-left: 12px;
  }

  textarea {
    min-height: 120px;
    padding: 12px;
    font-size: 16px; /* 防止 iOS 聚焦时自动缩放 */
  }

  .btn-row {
    gap: 8px;
  }

  .btn {
    padding: 12px 10px;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
  }

  .bank-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .stat-box {
    padding: 12px 8px;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .eye-icon {
    font-size: 1.6rem;
    padding: 6px 10px;
  }

  .modal-content {
    width: 96%;
    max-height: 86vh;
  }

  .modal-body {
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 10px;
    padding: 14px;
  }

  .picker-num {
    padding: 14px;
    font-size: 1.1rem;
  }

  .bottom-nav {
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    transform: translateX(0);
    border-left: none;
    border-right: none;
    border-bottom: none;
    box-shadow: 0 -6px 0 var(--black);
  }

  .bottom-nav.hidden-nav {
    transform: translateY(120px);
    opacity: 0;
  }

  .nav-item {
    padding: 8px 4px;
    gap: 2px;
  }

  .nav-icon {
    font-size: 1.3rem;
  }

  .nav-label {
    font-size: 0.65rem;
    letter-spacing: 0;
  }
}

@media (max-width: 380px) {
  .btn-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    min-width: 0;
  }

  .nav-label {
    display: none;
  }

  .nav-icon {
    font-size: 1.5rem;
  }

  .nav-item {
    padding: 10px 4px;
  }
}

/* ===== Responsive — PC 端精致拾光风格 ===== */
@media (min-width: 1024px) {
  :root {
    --shadow: 10px 10px 0 var(--black);
    --shadow-sm: 5px 5px 0 var(--black);
  }

  body {
    padding-bottom: 48px;
  }

  /* 容器：左侧留导航空间 */
  #app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 56px 56px 56px 320px;
  }

  /* ---- 左侧竖向导航栏 ---- */
  .bottom-nav {
    bottom: auto;
    left: 56px;
    top: 56px;
    transform: none;
    flex-direction: column;
    width: 220px;
    box-shadow: var(--shadow);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
  }

  .bottom-nav.hidden-nav {
    transform: translateX(-320px);
    opacity: 0;
    pointer-events: none;
  }

  .nav-item {
    border-right: none;
    border-bottom: var(--border);
    flex-direction: row;
    justify-content: flex-start;
    padding: 22px 24px;
    gap: 16px;
    min-width: 0;
    transition: transform 0.15s ease, background 0.15s ease, padding-left 0.15s ease;
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  .nav-item:hover {
    transform: translateX(4px);
    padding-left: 28px;
  }

  .nav-item.active {
    padding-left: 28px;
  }

  .nav-icon {
    font-size: 1.7rem;
  }

  .nav-label {
    font-size: 1.05rem;
    letter-spacing: 1.5px;
  }

  /* ---- Header ---- */
  .brutal-header {
    padding: 52px 44px;
    margin-bottom: 40px;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
  }

  .brutal-header:hover {
    transform: translate(4px, 4px) rotate(-1deg);
    box-shadow: 4px 4px 0 var(--black);
  }

  .brutal-header h1 {
    font-size: clamp(3.2rem, 6vw, 5.5rem);
    letter-spacing: -3px;
  }

  .sub {
    font-size: 1.2rem;
    margin-top: 18px;
    letter-spacing: 1.5px;
  }

  /* ---- Page header ---- */
  .page-header {
    margin-bottom: 36px;
    padding-bottom: 18px;
  }

  .page-header h2 {
    font-size: 2.8rem;
    padding: 6px 18px;
  }

  .page-counter {
    font-size: 1.3rem;
    padding: 8px 16px;
  }

  /* ---- Cards（更大 + 精致 hover） ---- */
  .card {
    padding: 44px 40px;
    margin-bottom: 40px;
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.22s ease;
  }

  .import-card:hover {
    transform: translate(5px, 5px) rotate(-0.5deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .bank-list-card:hover {
    transform: translate(5px, 5px) rotate(0.4deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .question-card:hover {
    transform: translate(5px, 5px) rotate(0.3deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .stat-card:hover {
    transform: translate(5px, 5px) rotate(-0.3deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .study-card:hover {
    transform: translate(5px, 5px) rotate(0.35deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .danger-zone:hover {
    transform: translate(5px, 5px) rotate(-0.4deg);
    box-shadow: 3px 3px 0 var(--black);
  }

  .card-badge {
    font-size: 0.95rem;
    padding: 6px 16px;
    top: -18px;
    left: 24px;
  }

  /* ---- Bank list（多列） ---- */
  .bank-list {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 28px;
  }

  .bank-card {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background 0.2s ease;
  }

  .bank-card:hover {
    transform: translate(5px, 5px);
    box-shadow: 0 0 0 var(--black);
  }

  .bank-card::before {
    height: 7px;
    transition: height 0.2s ease, background 0.2s ease;
  }

  .bank-card:hover::before {
    height: 10px;
  }

  .bank-name {
    font-size: 1.4rem;
    padding: 20px 22px 12px;
  }

  .bank-meta {
    font-size: 0.92rem;
    padding: 0 22px 20px;
  }

  .bank-empty {
    padding: 56px 40px;
    font-size: 1.1rem;
  }

  /* ---- Question display ---- */
  .q-num {
    font-size: 4.2rem;
    text-shadow: 6px 6px 0 var(--black);
    margin-bottom: 24px;
  }

  .q-text {
    font-size: 1.65rem;
    border-left-width: 12px;
    padding-left: 28px;
    margin-bottom: 32px;
    line-height: 1.55;
  }

  .q-answer {
    padding: 24px;
    font-size: 1.15rem;
    line-height: 1.7;
  }

  .q-explain {
    padding: 20px;
    font-size: 1.05rem;
    line-height: 1.7;
  }

  /* ---- Form ---- */
  textarea {
    min-height: 220px;
    padding: 20px;
    font-size: 1.08rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  }

  textarea:focus {
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0 var(--black);
  }

  .memory-input {
    min-height: 180px;
  }

  .threshold-row input[type="number"] {
    padding: 12px 14px;
    font-size: 1.08rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }

  .threshold-row input[type="number"]:focus {
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0 var(--black);
  }

  /* ---- Buttons（精致 hover） ---- */
  .btn {
    padding: 18px 28px;
    font-size: 1.08rem;
    letter-spacing: 1.5px;
    transition: transform 0.12s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.12s ease;
  }

  .btn:hover {
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0 var(--black);
  }

  .btn:active {
    transform: translate(5px, 5px);
    box-shadow: 0 0 0 var(--black);
  }

  .btn-row {
    gap: 18px;
    margin-top: 12px;
  }

  /* ---- Stat & Study grid ---- */
  .stat-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
  }

  .stat-box {
    padding: 28px 20px;
    transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.18s ease;
  }

  .stat-box:hover {
    transform: translateY(-6px);
    box-shadow: 5px 9px 0 var(--black);
  }

  .stat-num {
    font-size: 3rem;
  }

  .stat-label {
    font-size: 0.95rem;
    letter-spacing: 1.5px;
  }

  .study-grid {
    gap: 24px;
    margin-top: 32px;
  }

  .study-box {
    padding: 28px 20px;
    transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.18s ease;
  }

  .study-box:hover {
    transform: translateY(-6px);
    box-shadow: 5px 9px 0 var(--black);
  }

  .study-box .stat-num {
    font-size: 2.8rem;
  }

  .study-controls {
    margin-top: 32px;
    padding-top: 28px;
  }

  /* ---- Eye icon ---- */
  .eye-icon {
    font-size: 1.7rem;
    padding: 8px 14px;
    transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.18s ease, background 0.18s ease;
    box-shadow: var(--shadow-sm);
  }

  .eye-icon:hover {
    transform: translate(3px, 3px) scale(1.1);
    box-shadow: 1px 1px 0 var(--black);
  }

  /* ---- Modal ---- */
  .modal-content {
    max-width: 680px;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .modal-header {
    padding: 20px 26px;
  }

  .modal-header h3 {
    font-size: 1.6rem;
  }

  .modal-close {
    width: 42px;
    height: 42px;
    font-size: 1.6rem;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
  }

  .modal-close:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--black);
  }

  .modal-body {
    grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
    gap: 16px;
    padding: 28px;
  }

  .picker-num {
    padding: 16px;
    font-size: 1.25rem;
    transition: transform 0.12s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.12s ease, background 0.12s ease;
  }

  .picker-num:hover {
    transform: translate(3px, 3px);
    box-shadow: 1px 1px 0 var(--black);
  }

  .picker-num:active {
    transform: translate(5px, 5px);
    box-shadow: 0 0 0 var(--black);
  }

  /* ---- Score bar ---- */
  .score-bar {
    height: 30px;
    margin-top: 26px;
  }

  .score-text {
    font-size: 1.1rem;
    margin-top: 12px;
  }

  /* ---- Feedback ---- */
  .feedback {
    padding: 20px;
    font-size: 1.1rem;
    margin-top: 22px;
  }

  /* ---- Danger zone ---- */
  .danger-zone {
    padding: 36px 32px;
  }
}