:root {
  --color-primary: #1e3a8a;
  --color-primary-dark: #152a63;
  --color-brand-green: #21b053;
  --color-brand-green-dark: #16863f;
  --color-secondary: #f0f4fa;
  --color-text: #1a1a1a;
  --color-text-muted: #475569;
  --color-border: #d9dfe8;
  --color-bg: #ffffff;
  --color-success: #1e8e3e;
  --color-success-bg: #e3f6e8;
  --color-error: #c62828;
  --color-error-bg: #fdeaea;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);

  /* ---- אסימוני עיצוב: Glassmorphism (אפל/גוגל) ---- */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-strong: rgba(255, 255, 255, 0.82);
  --glass-border: 1px solid rgba(255, 255, 255, 0.6);
  --glass-blur: 16px;
  --glass-saturate: 180%;
  --glass-shadow: 0 8px 32px rgba(30, 58, 138, 0.12);
  --glass-radius: 18px;
  --glass-radius-sm: 16px;
  --sticky-bar-space: 132px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  background: linear-gradient(160deg,
    #eef2fb 0%,
    #e4edfb 20%,
    #d8eef6 45%,
    #d7f2ee 65%,
    #ddf6e6 85%,
    #e9faf0 100%);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* כתמי אור דקורטיביים ברקע (עיצוב Glassmorphism) */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
}

.bg-blob-1 {
  width: min(60vw, 420px);
  height: min(60vw, 420px);
  top: -12%;
  right: -14%;
  background: radial-gradient(circle, rgba(30, 58, 138, 0.35), transparent 70%);
}

.bg-blob-2 {
  width: min(55vw, 380px);
  height: min(55vw, 380px);
  bottom: -14%;
  left: -14%;
  background: radial-gradient(circle, rgba(33, 176, 83, 0.32), transparent 70%);
}

.bg-blob-3 {
  width: min(45vw, 300px);
  height: min(45vw, 300px);
  top: 32%;
  left: 55%;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.28), transparent 70%);
}

#app {
  max-width: 640px;
  margin: 0 auto;
  min-height: 100vh;
  background: transparent;
  display: flex;
  flex-direction: column;
}

.view {
  padding: 16px;
  padding-bottom: 32px;
  animation: viewFadeIn 0.22s ease;
}

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.hidden {
  display: none !important;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 4px;
}

h2 {
  font-size: 1.1rem;
  margin: 24px 0 10px;
  color: var(--color-primary);
}

button {
  font-family: inherit;
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(30, 58, 138, 0.45);
  outline-offset: 2px;
}

/* כפתורים */

.btn {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  transition: transform 0.12s ease, opacity 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-large {
  font-size: 1.05rem;
  padding: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, #2fc36b 0%, var(--color-brand-green) 45%, var(--color-brand-green-dark) 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 6px 18px rgba(22, 134, 63, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #35d178 0%, #1ea34e 45%, #12712f 100%);
}

.btn-secondary {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  color: var(--color-primary);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.85);
}

.btn-danger {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  color: var(--color-error);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  margin-top: 24px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 1.4rem;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.12s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.5);
}

.btn-icon:active {
  transform: scale(0.94);
}

.btn:disabled,
.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-exam {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.btn-exam-title {
  font-size: 1.05rem;
}

.btn-exam-subtitle {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.85;
}

/* מסך בית */

.home-header {
  text-align: center;
  padding: 12px 0 8px;
}

.home-logo {
  width: 64px;
  height: 64px;
}

.subtitle {
  color: var(--color-text-muted);
  margin: 0;
}

.progress-banner {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 12px 16px;
  text-align: center;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 16px 0;
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-picker {
  margin-top: 8px;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius-sm);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
  transition: transform 0.12s ease, border-color 0.2s ease, background 0.2s ease;
}

.category-btn:hover {
  border-color: rgba(30, 58, 138, 0.4);
  background: rgba(255, 255, 255, 0.85);
}

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

.category-btn .count {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.9rem;
}

.home-secondary-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.credit {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  margin-top: 32px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.6);
}

/* פרופיל פעיל */

.active-profile-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 4px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

#home-profile-name {
  font-weight: 600;
  color: var(--color-text);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 48px;
  padding: 0 8px;
  text-decoration: underline;
}

.btn-link:hover {
  color: var(--color-primary-dark);
}

/* מסך התחברות/הרשמה בענן */

.auth-tabs {
  display: flex;
  gap: 8px;
  margin: 20px 0 16px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.6);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 12px 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  min-height: 48px;
}

.auth-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 20px 18px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.auth-input {
  min-height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  width: 100%;
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.auth-error {
  color: var(--color-error);
  background: var(--color-error-bg);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}

.auth-info {
  color: var(--color-success);
  background: var(--color-success-bg);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}

.auth-forgot {
  align-self: center;
  margin-top: 4px;
}

.auth-skip {
  display: block;
  width: 100%;
  text-align: center;
  margin: 24px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: underline;
}

/* מסך בחירת פרופיל */

.profile-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.profile-item {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.profile-select-btn {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 16px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
  transition: transform 0.12s ease, border-color 0.2s ease, background 0.2s ease;
}

.profile-select-btn:hover {
  border-color: rgba(30, 58, 138, 0.4);
  background: rgba(255, 255, 255, 0.85);
}

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

.profile-select-btn.active {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-primary);
}

.profile-delete-btn {
  flex-shrink: 0;
  min-width: 48px;
  min-height: 48px;
  background: rgba(255, 255, 255, 0.7);
  border: var(--glass-border);
  border-radius: var(--glass-radius-sm);
  color: var(--color-error);
  font-size: 1.1rem;
}

.profile-delete-btn:hover {
  background: var(--color-error-bg);
  border-color: var(--color-error);
}

.profile-add-row {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.profile-name-input {
  flex: 1;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
}

.profile-name-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.profile-add-row .btn {
  width: auto;
  flex-shrink: 0;
  padding: 12px 20px;
}

.profile-error {
  color: var(--color-error);
  font-size: 0.9rem;
  margin-top: 10px;
  text-align: center;
}

.loading-msg, .empty-msg {
  color: var(--color-text-muted);
  text-align: center;
  padding: 16px 0;
}

/* מסך מבחן / תרגול — שורת כותרת דביקה עם זכוכית */

.quiz-header, .sub-header {
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  gap: 8px;
  margin: -16px -16px 16px;
  padding: 10px 16px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-bottom: var(--glass-border);
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.08);
  border-radius: 0 0 var(--glass-radius-sm) var(--glass-radius-sm);
}

.sub-header {
  display: flex;
}

.sub-header h1 {
  font-size: 1.3rem;
  margin: 0;
}

/* מסך מבחן/תרגול: עמודה 1 = כפתור בית, עמודה 2 = שבב סטטוס גמיש (מתכווץ/נחתך),
   עמודה 3 = שבב ציון קבוע — כך ששבב ארוך לעולם לא גולש מגבול המסך */
.quiz-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.quiz-meta {
  /* ה-DOM עוטף את שני השבבים ב-.quiz-meta; display:contents "משטיח" אותו כך
     שהילדים (status-chip, score-chip) הופכים לפריטי גריד ישירים של .quiz-header */
  display: contents;
}

.quiz-meta::-webkit-scrollbar {
  display: none;
}

/* שבבי סטטוס/ניקוד קומפקטיים בשורת הכותרת */

.status-chip, .score-chip {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: var(--color-primary);
}

.status-chip {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.score-chip {
  flex-shrink: 0;
  white-space: nowrap;
  color: var(--color-brand-green-dark);
  background: rgba(33, 176, 83, 0.16);
  border-color: rgba(33, 176, 83, 0.38);
}

.score-chip.with-check::before {
  content: "✓";
  margin-inline-end: 4px;
}

#quiz-score-label.score-chip {
  color: var(--color-brand-green-dark);
}

.exam-timer-label.exam-timer-warning {
  color: var(--color-error);
  background: rgba(198, 40, 40, 0.14);
  border-color: rgba(198, 40, 40, 0.4);
  font-variant-numeric: tabular-nums;
}

.exam-timer-label {
  font-variant-numeric: tabular-nums;
}

/* שבב קטגוריה תמידי מעל השאלה */

.focus-chip {
  display: table;
  margin: -6px auto 14px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.08);
}

.sign-image-frame {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 32vh;
  margin-bottom: 20px;
}

.sign-image-frame img {
  max-width: 100%;
  max-height: 32vh;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.quiz-answers {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: var(--sticky-bar-space);
}

.answer-btn {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 14px 16px;
  font-size: 1rem;
  text-align: right;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  border-radius: var(--glass-radius-sm);
  box-shadow: 0 2px 10px rgba(30, 58, 138, 0.06);
  color: var(--color-text);
  transition: transform 0.12s ease, border-color 0.2s ease, background 0.2s ease;
}

.answer-btn:hover:not(:disabled) {
  border-color: rgba(30, 58, 138, 0.45);
  background: rgba(255, 255, 255, 0.85);
}

.answer-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.answer-btn:disabled {
  cursor: default;
}

.answer-btn.correct {
  background: rgba(30, 142, 62, 0.18);
  border-color: var(--color-success);
  color: #0f5c26;
  font-weight: 700;
}

.answer-btn.incorrect {
  background: rgba(198, 40, 40, 0.16);
  border-color: var(--color-error);
  color: #8f1f1f;
  font-weight: 700;
}

.quiz-feedback {
  margin-top: 0;
}

.feedback-description {
  margin: 0 0 16px;
  color: var(--color-text);
}

/* שורת פעולה דביקה בתחתית ה-viewport (הבא / משוב) */

.sticky-action-bar {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 640px;
  z-index: 40;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-top: var(--glass-border);
  box-shadow: 0 -8px 28px rgba(30, 58, 138, 0.12);
  border-radius: var(--glass-radius) var(--glass-radius) 0 0;
}

/* מסך מבחן תיאוריה אמיתי */

.exam-question-text {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 16px;
  line-height: 1.6;
}

.exam-next-btn {
  margin-top: 0;
}

.answer-btn.selected {
  border-color: var(--color-primary);
  background: rgba(30, 58, 138, 0.14);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.exam-result-body {
  text-align: center;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 24px 18px;
}

.exam-result-timeout {
  color: var(--color-error);
  font-weight: 700;
  margin: 0 0 8px;
}

.exam-result-duration {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 4px;
}

.exam-result-coverage {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0 0 16px;
}

.exam-result-mistakes {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: right;
}

.mistake-card {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--glass-radius-sm);
  box-shadow: 0 2px 10px rgba(30, 58, 138, 0.05);
  padding: 12px;
}

.mistake-image {
  max-width: 120px;
  max-height: 120px;
  display: block;
  margin: 0 0 8px;
  background: #f7f9fc;
  border-radius: 8px;
  padding: 4px;
}

.mistake-question {
  font-weight: 700;
  margin: 0 0 8px;
}

.mistake-answer {
  margin: 0 0 4px;
  font-size: 0.9rem;
}

.mistake-answer-wrong {
  color: var(--color-error);
}

.mistake-answer-correct {
  color: var(--color-success);
}

.exam-result-score {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 16px 0 4px;
}

.exam-result-status {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.exam-result-status-pass {
  color: var(--color-success);
}

.exam-result-status-fail {
  color: var(--color-error);
}

.exam-result-missing {
  color: var(--color-error);
  margin: 0 0 16px;
}

.exam-result-categories,
#exam-result-categories {
  text-align: right;
}

.exam-result-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* מסך תרגול תיאוריה */

/* טבלת פילוח קופסאות לפי קטגוריה (גם במסך התרגול וגם בסטטיסטיקות) */

.theory-category-table {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  margin-top: 8px;
}

.theory-category-row {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 4px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  align-items: center;
}

.theory-category-row span:first-child {
  text-align: right;
  font-weight: 600;
}

.theory-category-header {
  color: var(--color-text-muted);
  font-weight: 700;
  border-bottom: 2px solid var(--color-border);
}

.theory-category-header span:first-child {
  font-weight: 700;
}

/* סטטיסטיקות מבחני תיאוריה */

.stats-exam-summary {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 16px;
  text-align: right;
}

.stats-exam-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-weight: 600;
}

.stats-exam-recent-heading {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 16px 0 8px;
}

.stats-exam-recent-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.stats-exam-recent-badge {
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.stats-exam-recent-badge.pass {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.stats-exam-recent-badge.fail {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* מסך עיון */

.accordion-item {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 48px;
  padding: 14px 16px;
  background: transparent;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
}

.accordion-header[aria-expanded="true"] {
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.accordion-header .arrow {
  transition: transform 0.2s ease;
}

.accordion-header[aria-expanded="true"] .arrow {
  transform: rotate(180deg);
}

.accordion-panel {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.accordion-panel.hidden {
  display: none;
}

.sign-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--glass-radius-sm);
  box-shadow: 0 2px 10px rgba(30, 58, 138, 0.05);
  padding: 10px;
}

.sign-card img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  background: #f7f9fc;
  border-radius: 8px;
  padding: 4px;
}

.sign-card-text h3 {
  margin: 0 0 4px;
  font-size: 0.95rem;
}

.sign-card-text p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* מסך סטטיסטיקות */

.stats-overall-card {
  text-align: center;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--glass-radius);
  padding: 24px;
}

.stats-overall-percent {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stats-overall-label {
  color: var(--color-text-muted);
}

.stats-category-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.stats-category-name {
  font-weight: 600;
}

.stats-category-detail {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.stats-worst-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.stats-worst-row img {
  width: 40px;
  height: 40px;
  background: #f7f9fc;
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
}

.stats-worst-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.stats-worst-count {
  color: var(--color-error);
  font-size: 0.8rem;
}

/* פס התקדמות תרגול תיאוריה */

.stats-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.stats-progress-bar {
  flex: 1;
  height: 14px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  overflow: hidden;
}

.stats-progress-fill {
  height: 100%;
  background: var(--color-brand-green);
  border-radius: 999px;
  transition: width 0.2s ease;
}

.stats-progress-label {
  min-width: 44px;
  text-align: left;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.stats-deck-remaining {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 8px 0 0;
}

@media (min-width: 480px) {
  .accordion-panel {
    grid-template-columns: 1fr 1fr;
  }
}

/* באנר התקנת אפליקציה (PWA) */

.install-banner {
  position: fixed;
  left: 50%;
  bottom: 0;
  width: 100%;
  max-width: 640px;
  transform: translateX(-50%) translateY(100%);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-top: var(--glass-border);
  border-radius: var(--glass-radius) var(--glass-radius) 0 0;
  box-shadow: 0 -6px 24px rgba(30, 58, 138, 0.16);
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 1000;
  transition: transform 0.28s ease;
}

.install-banner.hidden {
  display: none !important;
}

.install-banner.visible {
  transform: translateX(-50%) translateY(0);
}

.install-banner-close {
  position: absolute;
  top: 8px;
  left: 8px;
  min-width: 40px;
  min-height: 40px;
  background: none;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-text-muted);
}

.install-banner-close:hover {
  background: rgba(255, 255, 255, 0.5);
  color: var(--color-text);
}

.install-banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 32px; /* מקום לכפתור הסגירה שב-RTL יושב בצד שמאל */
  margin-bottom: 14px;
}

.install-banner-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.install-banner-text {
  flex: 1;
  min-width: 0;
}

.install-banner-title {
  margin: 0 0 2px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}

.install-banner-desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.install-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.install-banner-btn {
  flex: 1;
  min-height: 48px;
}

.install-banner-secondary {
  flex-shrink: 0;
  min-height: 48px;
}

/* מסך פתיחה (splash) — עד הכרעת מצב ההתחברות. נשאר לבן נקי, לא מושפע מהרקע/הזכוכית */
.splash-view {
  padding: 0;
  background: #ffffff;
  min-height: 100vh;
  display: flex;
  animation: none;
}

.splash-center {
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #ffffff;
}

.splash-logo {
  width: 180px;
  height: 180px;
  margin-bottom: 20px;
}

.splash-brand {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0 0 28px;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}

.splash-brand-black {
  color: #1a1a1a;
}

.splash-brand-green {
  color: #21b053;
}

.splash-dots {
  display: flex;
  gap: 10px;
}

.splash-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #21b053;
  animation: splashDotBounce 1.4s ease-in-out infinite;
}

.splash-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.splash-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes splashDotBounce {
  0%, 80%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  40% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

/* גיבוי לדפדפנים ללא תמיכה ב-backdrop-filter: משטח כמעט אטום במקום זכוכית שקופה */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.94);
    --glass-bg-strong: rgba(255, 255, 255, 0.97);
  }

  .quiz-header, .sub-header,
  .sign-image-frame,
  .answer-btn,
  .btn-secondary,
  .btn-danger,
  .progress-banner,
  .auth-form,
  .profile-select-btn,
  .category-btn,
  .stats-exam-summary,
  .stats-overall-card,
  .exam-result-body,
  .accordion-item,
  .install-banner,
  .sticky-action-bar,
  .focus-chip {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

/* העדפת תנועה מופחתת */
@media (prefers-reduced-motion: reduce) {
  .view {
    animation: none;
  }

  .btn, .answer-btn, .category-btn, .profile-select-btn, .btn-icon, .accordion-header .arrow {
    transition: none;
  }

  .splash-dot {
    animation: none;
  }
}

/* ספלאש: תמונת מותג אחת (מגן + "עובר בטוח") במקום לוגו+טקסט */
.splash-image {
  width: min(70vw, 300px);
  height: auto;
  max-height: 55vh;
  object-fit: contain;
  display: block;
  margin: 0 auto 18px;
}