/**
 * Typing Master — elite, eye-catching layout and UX.
 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Devanagari:wght@400;600;700&display=swap');

.tm-root {
  --tm-hero-h: 140px;
  --tm-ring-size: 88px;
}

/* ----- Hero strip ----- */
.tm-hero {
  margin: -20px -20px 24px -20px;
  padding: 28px 20px 32px;
  background: var(--app-gradient-hero);
  border-radius: 0 0 var(--app-radius-xl) var(--app-radius-xl);
  position: relative;
  overflow: hidden;
}
.tm-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--app-gradient-mesh);
  opacity: 0.5;
  pointer-events: none;
}
.tm-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.tm-hero-text h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 6px 0;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.tm-hero-text p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.9);
  margin: 0;
}
.tm-hero-ring {
  width: var(--tm-ring-size);
  height: var(--tm-ring-size);
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 4px solid rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tm-hero-ring span {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

/* ----- Language tabs (pill style) ----- */
.tm-tabs-wrap {
  margin-bottom: 24px;
}
.tm-tabs {
  display: inline-flex;
  padding: 6px;
  background: var(--app-bg);
  border-radius: var(--app-radius-full);
  border: 1px solid var(--app-border-soft);
  box-shadow: var(--app-shadow);
}
.tm-tab {
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.9375rem;
  background: transparent;
  border: none;
  border-radius: var(--app-radius-full);
  color: var(--app-text-secondary);
  cursor: pointer;
  transition: all 0.25s var(--app-ease);
}
.tm-tab:hover {
  color: var(--app-text);
}
.tm-tab.active {
  background: var(--app-gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px -2px rgba(99, 102, 241, 0.45);
}

/* ----- Mode chips ----- */
.tm-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.tm-mode {
  padding: 12px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--app-radius-full);
  border: 2px solid var(--app-border-soft);
  background: var(--app-surface);
  color: var(--app-text);
  cursor: pointer;
  transition: all 0.2s var(--app-ease);
}
.tm-mode:hover {
  border-color: var(--app-primary);
  color: var(--app-primary);
}
.tm-mode.active {
  background: var(--app-primary-soft);
  border-color: var(--app-primary);
  color: var(--app-primary);
}

/* ----- Stats grid (premium cards) ----- */
.tm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
@media (max-width: 420px) {
  .tm-stats { grid-template-columns: repeat(2, 1fr); }
}
.tm-stat {
  padding: 20px 16px;
  background: var(--app-surface);
  border-radius: var(--app-radius-lg);
  border: 1px solid var(--app-border-soft);
  text-align: center;
  box-shadow: var(--app-shadow);
  transition: transform 0.2s var(--app-ease), box-shadow 0.2s var(--app-ease);
}
.tm-stat:hover {
  transform: translateY(-2px);
  box-shadow: var(--app-shadow-card);
}
.tm-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--app-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.2;
}
.tm-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--app-text-secondary);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ----- Passage (with char feedback) ----- */
.tm-passage-wrap {
  margin-bottom: 16px;
}
.tm-passage-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--app-text-secondary);
  margin-bottom: 8px;
}
.tm-passage {
  padding: 22px;
  background: linear-gradient(165deg, var(--app-bg) 0%, var(--app-surface) 100%);
  border: 2px solid var(--app-border-soft);
  border-radius: var(--app-radius-lg);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--app-text-secondary);
  max-height: 220px;
  overflow-y: auto;
  font-family: inherit;
}
.tm-passage.tm-hindi {
  font-family: 'Noto Sans Devanagari', sans-serif;
  font-size: 1.25rem;
}
.tm-passage .char {
  transition: background 0.1s, color 0.1s;
}
.tm-passage .char.correct {
  color: var(--app-success);
  background: rgba(16, 185, 129, 0.12);
}
.tm-passage .char.wrong {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.12);
  text-decoration: underline;
}
.tm-passage .char.current {
  background: var(--app-primary-soft);
  color: var(--app-primary);
  border-radius: 2px;
}

/* ----- Input area ----- */
.tm-input-wrap {
  margin-bottom: 20px;
}
.tm-input {
  width: 100%;
  min-height: 160px;
  padding: 20px;
  font-size: 1.0625rem;
  line-height: 1.8;
  border: 2px solid var(--app-border-soft);
  border-radius: var(--app-radius-lg);
  background: var(--app-surface);
  color: var(--app-text);
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.tm-input:focus {
  outline: none;
  border-color: var(--app-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}
.tm-input:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  background: var(--app-bg);
}
.tm-input.tm-hindi {
  font-family: 'Noto Sans Devanagari', sans-serif;
  font-size: 1.25rem;
}

/* ----- Actions ----- */
.tm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tm-btn {
  padding: 14px 24px;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--app-radius-md);
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--app-ease), box-shadow 0.2s var(--app-ease);
}
.tm-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.tm-btn-start {
  background: var(--app-gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px -2px rgba(99, 102, 241, 0.4);
}
.tm-btn-start:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(99, 102, 241, 0.45);
}
.tm-btn-stop {
  background: var(--app-text-secondary);
  color: #fff;
}
.tm-btn-stop:hover:not(:disabled) {
  transform: translateY(-1px);
}
.tm-btn-new {
  background: var(--app-surface);
  color: var(--app-text);
  border: 2px solid var(--app-border-soft);
}
.tm-btn-new:hover:not(:disabled) {
  border-color: var(--app-primary);
  color: var(--app-primary);
}

/* ----- Hindi note + virtual keyboard ----- */
.tm-hindi-note {
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--app-radius-lg);
  font-size: 0.875rem;
  margin-bottom: 20px;
  color: var(--app-text);
}

/* Inbuilt keyboard guide (how to enable Hindi on device) */
.tm-inbuilt-kb-guide {
  margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--app-bg);
  border: 1px solid var(--app-border-soft);
  border-radius: var(--app-radius-lg);
  font-size: 0.8125rem;
}
.tm-inbuilt-kb-guide summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--app-text);
  list-style: none;
  padding: 4px 0;
}
.tm-inbuilt-kb-guide summary::-webkit-details-marker { display: none; }
.tm-inbuilt-kb-guide summary::before {
  content: '▾ ';
  font-size: 0.75rem;
  opacity: 0.8;
}
.tm-inbuilt-kb-guide[open] summary::before { content: '▴ '; }
.tm-inbuilt-kb-steps {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tm-inbuilt-kb-step {
  padding: 10px 12px;
  background: rgba(0,0,0,0.03);
  border-radius: var(--app-radius);
  color: var(--app-text);
  line-height: 1.45;
}
.tm-inbuilt-kb-step strong { color: var(--app-accent); }
.tm-inbuilt-kb-guide kbd {
  font-family: inherit;
  font-size: 0.75em;
  padding: 2px 6px;
  background: rgba(0,0,0,0.08);
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.1);
}

.tm-hindi-keyboard-wrap {
  margin-top: 16px;
  padding: 16px;
  background: var(--app-bg);
  border-radius: var(--app-radius-lg);
  border: 1px solid var(--app-border-soft);
}
.tm-hindi-keyboard-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--app-text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tm-hindi-kb-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 8px;
}
.tm-hindi-kb-key {
  min-width: 40px;
  height: 44px;
  padding: 0 8px;
  font-family: 'Noto Sans Devanagari', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  border: 1px solid var(--app-border-soft);
  border-radius: var(--app-radius-md);
  background: var(--app-surface);
  color: var(--app-text);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.tm-hindi-kb-key:hover {
  background: var(--app-primary-soft);
  border-color: var(--app-primary);
  color: var(--app-primary);
  transform: scale(1.05);
}
.tm-hindi-kb-key:active {
  transform: scale(0.98);
}
.tm-hindi-kb-key.wide {
  min-width: 80px;
  font-size: 0.75rem;
  font-family: inherit;
}

/* ----- Panel ----- */
.tm-panel {
  display: none;
}
.tm-panel.active {
  display: block;
  animation: tmFadeIn 0.3s var(--app-ease);
}
@keyframes tmFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tm-back-link {
  display: inline-block;
  margin-top: 28px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--app-primary);
  text-decoration: none;
}
.tm-back-link:hover {
  text-decoration: underline;
}