/* ========================================
   حلّها (Hallha) - Light Theme
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Droid+Arabic+Kufi&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

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

:root {
  --bg: #FFF8F3;
  --bg-card: #ffffff;
  --bg-card-hover: #fff1e8;
  --bg-input: #fef5ee;
  --primary: #e8596a;
  --primary-light: #f4929c;
  --primary-dark: #d44455;
  --accent: #FFB84D;
  --accent-light: #ffd699;
  --blue: #7c6bef;
  --green: #2dd4a8;
  --red: #f43f5e;
  --orange: #FFB84D;
  --text: #2d1f3d;
  --text-muted: #7a6b8a;
  --text-light: #b5a8c4;
  --border: #f0e4d8;
  --border-hover: #d4b8a0;
  --shadow: 0 2px 8px rgba(232, 89, 106, 0.06), 0 1px 3px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 16px rgba(232, 89, 106, 0.1);
  --shadow-lg: 0 8px 30px rgba(232, 89, 106, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* RTL Support */
[dir="rtl"] {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', 'Inter', -apple-system, sans-serif;
  text-align: right;
  line-height: 1.7;
}

/* IBM Plex Sans Arabic only ships weights 300–700. The English CSS uses
   800/900 on several headings — leaving those in RTL causes faux-bold,
   which is what made fonts look inconsistent between elements. Cap
   heading weights at 700 for Arabic so every bold renders NATIVELY. */
[dir="rtl"] .how-it-works h2,
[dir="rtl"] .step-card h3,
[dir="rtl"] .feature h3,
[dir="rtl"] .input-card-title,
[dir="rtl"] .round-title,
[dir="rtl"] .victory-title,
[dir="rtl"] .card-title,
[dir="rtl"] .boss-name,
[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3 {
  font-weight: 700; /* native bold in Plex, not faux-bold */
}

/* The logo + hero title are the ONLY exceptions — they use Kufi display
   font where faux-bold actually looks fine (and the weight-900 is part
   of their display character). */
[dir="rtl"] .logo-text,
[dir="rtl"] .hero-title {
  font-weight: 900;
}

/* Single source of truth for Arabic font consistency.
   Buttons/inputs don't inherit font by default — the browser falls back to
   Arial/system on buttons, which makes Arabic text look inconsistent next to
   Kufi text. This block forces Kufi everywhere the student reads/clicks. */
[dir="rtl"] button,
[dir="rtl"] input,
[dir="rtl"] textarea,
[dir="rtl"] select,
[dir="rtl"] .option-btn,
[dir="rtl"] .battle-button,
[dir="rtl"] .continue-btn,
[dir="rtl"] .subject-chip,
[dir="rtl"] .lang-btn,
[dir="rtl"] .cta-button,
[dir="rtl"] .boss-name,
[dir="rtl"] .round-question,
[dir="rtl"] .blitz-statement,
[dir="rtl"] .blitz-btn,
[dir="rtl"] .blitz-result,
[dir="rtl"] .hint-box,
[dir="rtl"] .solution-text,
[dir="rtl"] .victory-title,
[dir="rtl"] .card-title,
[dir="rtl"] .stat,
[dir="rtl"] .stat-label,
[dir="rtl"] .stat-value {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', 'Inter', sans-serif;
}

[dir="rtl"] .hero {
  text-align: center;
}

[dir="rtl"] .hero-subtitle {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.8;
}

[dir="rtl"] .hero-desc {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 16px;
  line-height: 2;
  font-weight: 400;
  color: #4B5563;
}

[dir="rtl"] .hero-badge {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 13px;
  letter-spacing: 0;
  font-weight: 700;
}

[dir="rtl"] .how-it-works h2 {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 32px;
  font-weight: 800;
  text-align: center;
}

[dir="rtl"] .step-card {
  text-align: center;
}

[dir="rtl"] .step-card h3 {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 18px;
  font-weight: 800;
}

[dir="rtl"] .step-card p {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 15px;
  line-height: 1.9;
  font-weight: 400;
  color: #4B5563;
}

[dir="rtl"] .option-btn,
[dir="rtl"] .form-group {
  text-align: right;
}

[dir="rtl"] .feature {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .feature > div {
  flex: 1;
  min-width: 0;
}

[dir="rtl"] .feature h3 {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 17px;
  font-weight: 800;
}

[dir="rtl"] .feature p {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 14px;
  line-height: 1.9;
  font-weight: 400;
  color: #4B5563;
}

[dir="rtl"] .boss-info,
[dir="rtl"] .stat,
[dir="rtl"] .strike-input-group {
  flex-direction: row-reverse;
}

[dir="rtl"] .health-text {
  text-align: left;
}

[dir="rtl"] .top-bar {
  flex-direction: row-reverse;
}

[dir="rtl"] .stats-bar {
  flex-direction: row-reverse;
}

[dir="rtl"] .cta-button {
  font-size: 20px;
  font-weight: 700;
}

[dir="rtl"] .landing-footer {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 15px;
  font-weight: 400;
  text-align: center;
  color: #4B5563;
  line-height: 1.9;
}

[dir="rtl"] .input-card-title {
  font-weight: 800;
}

[dir="rtl"] .input-desc {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-weight: 400;
  color: #4B5563;
  line-height: 1.9;
}

[dir="rtl"] textarea,
[dir="rtl"] input,
[dir="rtl"] select {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  text-align: right;
}

[dir="rtl"] .subject-chips {
  direction: rtl;
}

[dir="rtl"] .upload-zone {
  text-align: center;
}

[dir="rtl"] .solution-text {
  text-align: right;
  direction: rtl;
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  line-height: 2;
  color: #4B5563;
}

/* Language Toggle */
.lang-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 999;
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

[dir="rtl"] .lang-toggle {
  right: auto;
  left: 16px;
}

.lang-btn {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.lang-btn.active {
  background: var(--primary);
  color: white;
}

/* ========================================
   Landing Page
   ======================================== */

.landing-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f97066, #e8596a, #9b5de5);
  color: white;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(48px, 10vw, 80px);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 16px;
}

.glow {
  background: linear-gradient(135deg, #2d1f3d, #e8596a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow.accent {
  background: linear-gradient(135deg, #FFB84D, #e8596a, #9b5de5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 22px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.hero-subtitle strong {
  color: var(--accent);
}

/* Main slogan — sits between app name and hero subtitle, most prominent supporting line */
.hero-tagline {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.2px;
  margin: 4px 0 18px;
  line-height: 1.4;
}

[dir="rtl"] .hero-tagline {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 28px;
  line-height: 1.8;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 18px;
  font-weight: 700;
  padding: 16px 40px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(232, 89, 106, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 32px rgba(232, 89, 106, 0.4);
}

.cta-icon {
  font-size: 22px;
}

/* How It Works */
.how-it-works {
  padding: 60px 0 40px;
}

.how-it-works h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 32px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--blue));
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-emoji {
  font-size: 36px;
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Features */
.features {
  padding: 20px 0 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.feature h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature p {
  font-size: 13px;
  color: var(--text-muted);
}

.landing-footer {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}

.landing-footer .copyright,
.app-footer .copyright {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 0.2px;
}

.app-footer {
  text-align: center;
  padding: 32px 20px 24px;
  color: var(--text-muted);
  font-size: 13px;
  max-width: 700px;
  margin: 40px auto 0;
  border-top: 1px solid var(--border);
}

[dir="rtl"] .app-footer,
[dir="rtl"] .landing-footer .copyright,
[dir="rtl"] .app-footer .copyright {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
}

/* ========================================
   App Page - Top Bar
   ======================================== */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Inline language toggle (inside top bar) */
.lang-toggle-inline {
  display: flex;
  background: var(--bg-input);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.lang-toggle-inline .lang-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.lang-toggle-inline .lang-btn.active {
  background: var(--primary);
  color: white;
}

.logo-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 12px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.logo-link:hover {
  background: rgba(var(--primary-rgb, 227, 90, 108), 0.08);
  transform: translateY(-1px);
}

.logo-text {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Arabic logo uses the Kufi display font for a proper brand feel.
   This and .hero-title are the ONLY places Kufi is primary — everywhere
   else uses IBM Plex Sans Arabic for consistent, properly-weighted body text. */
[dir="rtl"] .logo-text {
  font-family: 'Droid Arabic Kufi', 'IBM Plex Sans Arabic', sans-serif;
  font-size: 32px;
  line-height: 1.1;
  padding-bottom: 3px; /* Kufi descender balance */
}

[dir="rtl"] .hero-title {
  font-family: 'Droid Arabic Kufi', 'IBM Plex Sans Arabic', sans-serif;
  line-height: 1.2;
}

.logo-text.accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats-bar {
  display: flex;
  gap: 16px;
  align-items: center;
}

.stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
}

.stat-icon {
  font-size: 16px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
}

/* Mode Banner */
.mode-banner {
  text-align: center;
  background: #fff1e8;
  color: #c44d5a;
  font-size: 13px;
  padding: 8px;
  border-bottom: 1px solid #f0e4d8;
}

.mode-banner a {
  color: #e8596a;
  font-weight: 600;
}

/* ========================================
   Screens
   ======================================== */

.screen {
  max-width: 700px;
  margin: 0 auto;
  padding: 30px 20px;
}

.screen.hidden {
  display: none;
}

/* Input Screen */
/* 1. Premium Card Depth */
.input-card {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  padding: 44px 36px 36px;
  text-align: center;
  box-shadow:
    0 20px 60px rgba(150, 100, 200, 0.08),
    0 8px 24px rgba(150, 100, 200, 0.04),
    0 0 0 1px rgba(220, 210, 230, 0.3);
  overflow: hidden;
}

/* Decorative blobs */
.card-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.card-blob-1 {
  width: 200px;
  height: 200px;
  background: var(--primary);
  top: -60px;
  right: -40px;
  animation: float 6s ease-in-out infinite;
}

.card-blob-2 {
  width: 160px;
  height: 160px;
  background: var(--accent);
  bottom: -40px;
  left: -30px;
  animation: float 8s ease-in-out infinite reverse;
}

.card-header-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.input-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.input-sections {
  position: relative;
  z-index: 1;
}

/* Subject Chips */
.subject-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.subject-chip {
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.subject-chip:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: rgba(232, 89, 106, 0.04);
  transform: translateY(-1px);
}

.subject-chip.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-color: transparent;
  box-shadow: 0 3px 12px rgba(232, 89, 106, 0.25);
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

/* 4. Typography - Labels */
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: #3d2b5a;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Unified Input Zone */
.unified-input {
  border: 2px solid #e8e2ee;
  border-radius: 16px;
  background: #ffffff;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.unified-input:focus-within {
  border-color: #9b5de5;
  box-shadow: 0 0 0 4px rgba(155, 93, 229, 0.08), 0 4px 20px rgba(155, 93, 229, 0.06);
}

.unified-input textarea {
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  padding: 16px 18px 8px;
  resize: none;
  min-height: 80px;
}

.unified-input textarea:focus {
  box-shadow: none !important;
}

.unified-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
}

.unified-divider-line {
  flex: 1;
  height: 1px;
  background: #e8e2ee;
}

.unified-divider-text {
  font-size: 12px;
  font-weight: 600;
  color: #b5a8c4;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.unified-upload-area {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 14px;
  cursor: pointer;
  transition: background 0.2s;
  border-radius: 0 0 14px 14px;
}

.unified-upload-area:hover {
  background: rgba(155, 93, 229, 0.04);
}

.unified-upload-icon {
  font-size: 20px;
}

.unified-upload-text {
  font-size: 13px;
  color: var(--text-muted);
}

.unified-upload-text strong {
  color: #9b5de5;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}

.unified-input.dragover {
  border-color: #9b5de5;
  background: rgba(155, 93, 229, 0.03);
}

.unified-input .upload-file-list {
  padding: 0 18px 12px;
}

/* Custom Select Dropdown */
.custom-select {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color 0.2s, box-shadow 0.2s;
  user-select: none;
}

.custom-select-trigger:hover {
  border-color: var(--border-hover);
}

.custom-select-trigger.open {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 89, 106, 0.1);
}

.custom-select-arrow {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.custom-select-trigger.open .custom-select-arrow {
  transform: rotate(180deg);
}

.custom-select-options {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  max-height: 260px;
  overflow-y: auto;
  z-index: 50;
  display: none;
}

.custom-select-options.open {
  display: block;
}

.custom-select-option {
  padding: 12px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.custom-select-option:hover {
  background: var(--bg-input);
}

.custom-select-option.selected {
  color: var(--primary);
  font-weight: 600;
  background: rgba(232, 89, 106, 0.06);
}

.custom-select-option.selected::after {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
}

/* Hidden native select for form value */
.native-select {
  display: none;
}

/* 2. Modern Input Fields */
.form-group textarea {
  width: 100%;
  background: #ffffff;
  color: var(--text);
  border: 1px solid #e8e2ee;
  border-radius: 14px;
  padding: 16px 18px;
  font-family: inherit;
  font-size: 15px;
  resize: vertical;
  transition: border-color 0.3s, box-shadow 0.3s;
  min-height: 110px;
}

/* 4. Placeholder text - lighter for contrast */
.form-group textarea::placeholder {
  color: #c4b8d4;
}

.form-group textarea:focus {
  outline: none;
  border-color: transparent;
  box-shadow: none;
}

/* 3. Drag & Drop Zone - Soft purple, not red */
.upload-zone {
  border: 1.5px dashed #c4b8d4;
  border-radius: 14px;
  padding: 16px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(155, 93, 229, 0.02);
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: #9b5de5;
  border-style: solid;
  background: rgba(155, 93, 229, 0.05);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(155, 93, 229, 0.1);
}

.upload-zone-icon {
  font-size: 22px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #9b5de5, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.upload-zone-text {
  font-size: 13px;
  color: var(--text-muted);
  text-align: left;
}

.upload-zone-text strong {
  color: #9b5de5;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}

.upload-zone-hint {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
  text-align: left;
}

.upload-file-list {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.upload-file-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232, 89, 106, 0.08);
  border: 1px solid rgba(232, 89, 106, 0.2);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--primary-dark);
}

.upload-file-remove {
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1;
}

.upload-file-remove:hover {
  color: var(--red);
}

.battle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), #c44477, var(--accent));
  background-size: 200% 100%;
  color: white;
  font-size: 17px;
  font-weight: 700;
  padding: 16px 40px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background-position 0.4s;
  box-shadow: 0 4px 20px rgba(232, 89, 106, 0.25);
  margin-top: 12px;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
}

.battle-button:hover {
  background-position: 100% 0;
}

.battle-button-icon {
  font-size: 20px;
  transition: transform 0.2s;
}

.battle-button:hover .battle-button-icon {
  transform: translateX(4px);
}

.battle-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(232, 89, 106, 0.35);
}

.battle-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Loading Screen */
.loading-card {
  text-align: center;
  padding: 60px 20px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-card h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.loading-card p {
  color: var(--text-muted);
}

/* ========================================
   Boss Battle Screen
   ======================================== */

.boss-header {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.boss-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.boss-emoji {
  font-size: 36px;
}

.boss-name {
  font-size: 22px;
  font-weight: 800;
}

/* A/B test provider badge — small chip next to topic name showing which
   AI produced the current battle (only shown during Gemini test). */
.provider-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-inline-start: auto;
  white-space: nowrap;
}
.provider-badge.provider-claude  { background: rgba(212, 131, 69, 0.15); color: #B86A28; }
.provider-badge.provider-gemini  { background: rgba(66, 133, 244, 0.15); color: #1A73E8; }
[dir="rtl"] .provider-badge {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
}

.health-bar-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.health-bar {
  flex: 1;
  height: 20px;
  background: var(--bg-input);
  border-radius: 10px;
  overflow: hidden;
}

.health-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #fbbf24, var(--orange));
  border-radius: 10px;
  transition: width 0.6s ease, background 0.6s;
}

.health-fill.medium {
  background: linear-gradient(90deg, var(--orange), #22c55e);
}

.health-fill.high {
  background: linear-gradient(90deg, #22c55e, #10b981);
}

.health-text {
  font-size: 14px;
  font-weight: 700;
  min-width: 40px;
  text-align: right;
}

/* Round Indicator */
.round-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 24px;
}

.round-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.3s;
}

.round-dot.active {
  background: linear-gradient(135deg, var(--primary), var(--blue));
  border-color: transparent;
  color: white;
  box-shadow: 0 0 16px rgba(232, 89, 106, 0.3);
}

.round-dot.completed {
  background: var(--green);
  border-color: transparent;
  color: white;
}

.round-connector {
  width: 40px;
  height: 2px;
  background: var(--border);
}

/* Round Content */
.round-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  min-height: 200px;
  box-shadow: var(--shadow);
}

/* Round header tag — single pill at the top-start corner of the card.
   Combines "Round N" + round title into one compact label. The character's
   role name ("The Curious One", "الفضولي", etc.) is no longer shown here —
   the visual identity comes from Hal's form itself. */

.round-header-tag {
  position: absolute;
  top: 14px;
  inset-inline-start: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  line-height: 1;
  z-index: 2;
}

.round-header-tag .rht-num {
  opacity: 0.7;
  font-weight: 700;
}

.round-header-tag .rht-sep {
  opacity: 0.35;
  font-weight: 400;
}

.round-header-tag .rht-title {
  font-weight: 800;
}

/* Per-round accent tints so the pill inherits the round's color identity */
.round-content.round-1 .round-header-tag { background: rgba(201, 99, 28, 0.12);  color: #B15012; }
.round-content.round-2 .round-header-tag { background: rgba(94, 78, 143, 0.12);  color: #5E4E8F; }
.round-content.round-3 .round-header-tag { background: rgba(184, 134, 11, 0.15); color: #8B6100; }

/* Consistent Arabic font across every label/tag on the platform */
[dir="rtl"] .round-header-tag {
  font-family: 'IBM Plex Sans Arabic', 'Droid Arabic Kufi', sans-serif;
  font-size: 15px;
  padding: 10px 18px;
  line-height: 1.3;
}

/* Mobile — tighten the pill so it doesn't crowd the character */
@media (max-width: 640px) {
  .round-header-tag {
    top: 10px;
    inset-inline-start: 12px;
    font-size: 12px;
    padding: 6px 12px;
  }
  [dir="rtl"] .round-header-tag {
    font-size: 13px;
    padding: 8px 14px;
  }
}

.round-question {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text);
}

/* Round 1 "حلّها" (Solve It) - Multiple Choice */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.option-btn {
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.option-btn:hover {
  border-color: var(--primary);
  background: rgba(232, 89, 106, 0.04);
  transform: scale(1.02);
}

.option-btn.correct {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.1);
  animation: correctPulse 0.4s ease;
}

.option-btn.wrong {
  border-color: var(--red);
  background: rgba(239, 68, 68, 0.08);
  animation: shake 0.4s ease;
}

.option-btn.disabled {
  pointer-events: none;
  opacity: 0.5;
}

@keyframes correctPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Round 2 "افهمها" (Understand It) - True/False */
.blitz-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.blitz-progress {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 8px;
}

.blitz-pip {
  width: 32px;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  transition: background 0.3s;
}

.blitz-pip.active {
  background: var(--primary);
}

.blitz-pip.done-correct {
  background: var(--green);
}

.blitz-pip.done-wrong {
  background: var(--red);
}

.blitz-statement {
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  padding: 20px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  line-height: 1.5;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blitz-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.blitz-btn {
  padding: 18px;
  font-size: 17px;
  font-weight: 700;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-card);
  color: var(--text);
}

.blitz-btn:hover {
  transform: scale(1.03);
}

.blitz-btn.true-btn:hover {
  border-color: #06D6A0;
  background: rgba(6, 214, 160, 0.06);
}

.blitz-btn.false-btn:hover {
  border-color: #f43f5e;
  background: rgba(244, 63, 94, 0.06);
}

.blitz-btn.correct {
  border-color: #06D6A0;
  background: rgba(6, 214, 160, 0.12);
  color: #059669;
  animation: correctPulse 0.4s ease;
}

.blitz-btn.wrong {
  border-color: #f43f5e;
  background: rgba(244, 63, 94, 0.12);
  color: #e11d48;
  animation: shake 0.4s ease;
}

.blitz-btn.disabled {
  pointer-events: none;
  opacity: 0.4;
}

.blitz-result {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  padding: 8px;
  border-radius: 8px;
  margin-top: 4px;
}

.blitz-result.correct {
  color: #047857;
  background: rgba(0, 196, 140, 0.1);
}

.blitz-result.wrong {
  color: #b91c1c;
  background: rgba(255, 107, 107, 0.1);
}

/* Round 3 "اتقنها" (Master It) */
.strike-input-group {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.strike-input {
  flex: 1;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.2s;
}

.strike-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 89, 106, 0.1);
}

.strike-btn {
  background: linear-gradient(135deg, var(--accent), var(--red));
  color: white;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.2s;
  white-space: nowrap;
}

.strike-btn:hover {
  transform: scale(1.05);
}

/* Hint box */
.hint-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 14px;
  font-size: 14px;
  color: #92400e;
}

/* Insight box */
.insight-box {
  background: #ecfeff;
  border: 1px solid #a5f3fc;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 14px;
  font-size: 14px;
  color: #155e75;
}

/* Continue button after each round */
.continue-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green);
  color: white;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  margin-top: 16px;
  transition: transform 0.2s;
}

.continue-btn:hover {
  transform: scale(1.05);
}

/* Points Popup */
.points-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  text-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
  pointer-events: none;
  z-index: 200;
  animation: pointsFloat 1s ease forwards;
}

.points-popup.hidden {
  display: none;
}

@keyframes pointsFloat {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(0.5); }
  50% { opacity: 1; transform: translate(-50%, -70%) scale(1.2); }
  100% { opacity: 0; transform: translate(-50%, -100%) scale(1); }
}

/* Screen shake */
@keyframes screenShake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-4px); }
  30% { transform: translateX(4px); }
  50% { transform: translateX(-3px); }
  70% { transform: translateX(3px); }
  90% { transform: translateX(-1px); }
}

.shake {
  animation: screenShake 0.4s ease;
}

/* ========================================
   Victory Screen
   ======================================== */

.victory-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
}

.victory-emoji {
  font-size: 64px;
  margin-bottom: 12px;
  animation: bounce 0.6s ease;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-20px); }
  60% { transform: translateY(-10px); }
}

.victory-title {
  font-size: 32px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.victory-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.b-stat {
  text-align: center;
}

.v-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
}

.v-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.solution-box {
  text-align: left;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 24px;
}

[dir="rtl"] .solution-box {
  text-align: right;
}

.solution-box h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.solution-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  white-space: pre-wrap;
}

/* ========================================
   Animations & Transitions
   ======================================== */

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes gentlePulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(232, 89, 106, 0.25); }
  50% { box-shadow: 0 4px 32px rgba(232, 89, 106, 0.45); }
}

@keyframes borderPulse {
  0%, 100% { border-color: #c4b8d4; }
  50% { border-color: #9b5de5; }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  50% { transform: scale(1.05); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInFromTop {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes healthGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.4); }
}

@keyframes confettiBurst {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-200px) rotate(720deg); opacity: 0; }
}

@keyframes trophySpin {
  0% { transform: scale(0) rotate(-180deg); }
  60% { transform: scale(1.2) rotate(10deg); }
  80% { transform: scale(0.95) rotate(-5deg); }
  100% { transform: scale(1) rotate(0deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* --- Landing page entrance animations --- */
.hero-badge {
  animation: fadeSlideUp 0.6s ease both;
  animation-delay: 0.1s;
}

.hero-title {
  animation: fadeSlideUp 0.6s ease both;
  animation-delay: 0.2s;
}

.hero-subtitle {
  animation: fadeSlideUp 0.6s ease both;
  animation-delay: 0.35s;
}

.hero-desc {
  animation: fadeSlideUp 0.6s ease both;
  animation-delay: 0.45s;
}

.cta-button {
  animation: fadeSlideUp 0.6s ease both, gentlePulse 3s ease-in-out 1.2s infinite;
}

.how-it-works h2 {
  animation: fadeSlideUp 0.5s ease both;
  animation-delay: 0.6s;
}

.step-card:nth-child(1) { animation: fadeSlideUp 0.5s ease both; animation-delay: 0.7s; }
.step-card:nth-child(2) { animation: fadeSlideUp 0.5s ease both; animation-delay: 0.85s; }
.step-card:nth-child(3) { animation: fadeSlideUp 0.5s ease both; animation-delay: 1.0s; }

.feature:nth-child(1) { animation: fadeSlideUp 0.4s ease both; animation-delay: 1.1s; }
.feature:nth-child(2) { animation: fadeSlideUp 0.4s ease both; animation-delay: 1.2s; }
.feature:nth-child(3) { animation: fadeSlideUp 0.4s ease both; animation-delay: 1.3s; }
.feature:nth-child(4) { animation: fadeSlideUp 0.4s ease both; animation-delay: 1.4s; }
.feature:nth-child(5) { animation: fadeSlideUp 0.4s ease both; animation-delay: 1.5s; }

/* --- App page animations --- */
.input-card {
  animation: fadeScaleIn 0.5s ease both;
}

.upload-zone {
  animation: borderPulse 3s ease-in-out infinite;
}

.battle-button {
  animation: gentlePulse 3s ease-in-out infinite;
}

/* --- Screen transitions --- */
.screen {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.screen.animate-in {
  animation: fadeSlideUp 0.45s ease both;
}

.screen.animate-out {
  animation: fadeIn 0.3s ease reverse both;
  pointer-events: none;
}

/* --- Battle animations --- */
.boss-header {
  animation: slideInFromTop 0.5s ease both;
}

.round-indicator {
  animation: fadeSlideUp 0.4s ease both;
  animation-delay: 0.2s;
}

.round-content {
  animation: fadeScaleIn 0.4s ease both;
}

.round-content .option-btn:nth-child(1) { animation: fadeSlideUp 0.3s ease both; animation-delay: 0.1s; }
.round-content .option-btn:nth-child(2) { animation: fadeSlideUp 0.3s ease both; animation-delay: 0.18s; }
.round-content .option-btn:nth-child(3) { animation: fadeSlideUp 0.3s ease both; animation-delay: 0.26s; }
.round-content .option-btn:nth-child(4) { animation: fadeSlideUp 0.3s ease both; animation-delay: 0.34s; }

.round-content .blitz-btn { animation: fadeSlideUp 0.3s ease both; animation-delay: 0.15s; }

.health-fill.damage {
  animation: healthGlow 0.5s ease;
}

/* --- Victory celebration --- */
.victory-card {
  animation: fadeScaleIn 0.6s ease both;
  position: relative;
  overflow: hidden;
}

.victory-card::before,
.victory-card::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  pointer-events: none;
}

.victory-card::before {
  background: var(--accent);
  animation: confettiBurst 1.2s ease-out 0.3s both;
  box-shadow:
    -40px 0 0 var(--primary),
    40px -20px 0 var(--accent),
    -60px -40px 0 var(--blue),
    20px -60px 0 var(--green),
    60px -10px 0 var(--primary-light),
    -20px -80px 0 var(--accent-light);
}

.victory-card::after {
  background: var(--blue);
  animation: confettiBurst 1.4s ease-out 0.5s both;
  box-shadow:
    30px -30px 0 var(--green),
    -50px -10px 0 var(--accent),
    50px -50px 0 var(--primary),
    -30px -70px 0 var(--blue),
    70px -30px 0 var(--accent-light),
    -10px -50px 0 var(--primary-light);
}

.victory-emoji {
  animation: trophySpin 0.8s ease both 0.2s;
}

.victory-title {
  animation: fadeSlideUp 0.5s ease both;
  animation-delay: 0.4s;
}

.b-stat:nth-child(1) { animation: fadeSlideUp 0.4s ease both; animation-delay: 0.5s; }
.v-stat:nth-child(2) { animation: fadeSlideUp 0.4s ease both; animation-delay: 0.6s; }
.v-stat:nth-child(3) { animation: fadeSlideUp 0.4s ease both; animation-delay: 0.7s; }

.solution-box {
  animation: fadeSlideUp 0.4s ease both;
  animation-delay: 0.8s;
}

/* --- Micro-interactions --- */
.option-btn:hover,
.blitz-btn:hover {
  box-shadow: 0 4px 16px rgba(232, 89, 106, 0.15);
}

.step-card:hover {
  box-shadow: var(--shadow-lg);
}

textarea:focus,
input:focus,
.custom-select-trigger:focus {
  box-shadow: 0 0 0 3px rgba(232, 89, 106, 0.12), 0 0 20px rgba(232, 89, 106, 0.06);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.continue-btn {
  animation: fadeSlideUp 0.4s ease both;
}

/* Loading shimmer effect */
.loading-card h2 {
  background: linear-gradient(90deg, var(--text) 30%, var(--primary-light) 50%, var(--text) 70%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 2s ease-in-out infinite;
}

/* ========================================
   Responsive - Tablet
   ======================================== */

@media (max-width: 900px) {
  .screen {
    max-width: 100%;
    padding: 24px 16px;
  }

  .input-card {
    padding: 28px 24px;
  }
}

/* ========================================
   Responsive - Mobile
   ======================================== */

@media (max-width: 600px) {
  .hero {
    padding: 40px 0 30px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .cta-button {
    font-size: 16px;
    padding: 14px 32px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step-card {
    padding: 24px 20px;
  }

  .options-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    gap: 10px;
  }

  .stat-label {
    display: none;
  }

  .stat-value {
    font-size: 13px;
  }

  .top-bar {
    padding: 10px 14px;
  }

  .logo-text {
    font-size: 24px;
  }

  .strike-input-group {
    flex-direction: column;
  }

  .input-card {
    padding: 24px 16px;
    border-radius: 12px;
  }

  .input-card h1 {
    font-size: 22px;
  }

  .victory-stats {
    gap: 16px;
  }

  .victory-card {
    padding: 28px 20px;
  }

  .victory-title {
    font-size: 26px;
  }

  .boss-header {
    padding: 16px;
  }

  .boss-name {
    font-size: 18px;
  }

  .round-content {
    padding: 20px 16px;
  }

  .round-title {
    font-size: 18px;
  }

  .battle-button {
    font-size: 15px;
    padding: 12px 28px;
    width: 100%;
    justify-content: center;
  }

  .upload-zone {
    padding: 20px 16px;
  }

  .lang-toggle {
    top: auto;
    bottom: 16px;
    right: 50%;
    transform: translateX(50%);
  }

  [dir="rtl"] .lang-toggle {
    left: auto;
    right: 50%;
    transform: translateX(50%);
  }
}

/* ========================================
   Responsive - Large Desktop
   ======================================== */

@media (min-width: 1200px) {
  .landing-container {
    max-width: 900px;
  }

  .screen {
    max-width: 750px;
  }
}

/* Cloudflare Turnstile widget container */
.turnstile-container {
  display: flex;
  justify-content: center;
  margin: 0 0 16px 0;
  min-height: 0;
}
.turnstile-container:empty {
  display: none;
}

/* ========================================
   Hal Character (mascot)
   Three evolving forms:
   - hal-curious  → الفضولي  → Round 1 "حلّها"
   - hal-thinker  → المفكِّر → Round 2 "افهمها"
   - hal-champion → البطل   → Round 3 "اتقنها"
   ======================================== */

.hal {
  width: 140px;
  height: 160px;
  display: block;
  will-change: transform;
  animation: hal-idle 3.4s ease-in-out infinite;
}

@keyframes hal-idle {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

/* Subtle lightbulb pulse on the Thinker form */
.hal-thinker .hal-lightbulb {
  transform-origin: 70px 22px;
  animation: hal-bulb-flicker 2.2s ease-in-out infinite;
}
.hal-thinker .hal-bulb-glow {
  animation: hal-bulb-glow 2.2s ease-in-out infinite;
  transform-origin: 70px 22px;
}

@keyframes hal-bulb-flicker {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.85; transform: scale(1.04); }
}
@keyframes hal-bulb-glow {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.15); }
}

/* Champion aura pulse + crown shine */
.hal-champion .hal-aura {
  transform-origin: 70px 92px;
  animation: hal-aura 2.6s ease-in-out infinite;
}
.hal-champion .hal-crown {
  transform-origin: 70px 30px;
  animation: hal-crown-wobble 4s ease-in-out infinite;
}

@keyframes hal-aura {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}
@keyframes hal-crown-wobble {
  0%, 100% { transform: rotate(0); }
  25%      { transform: rotate(-1.5deg); }
  75%      { transform: rotate(1.5deg); }
}

/* Landing hero mascot */
.hero-mascot {
  display: flex;
  justify-content: center;
  margin-bottom: 4px;
}
.hero-mascot .hal {
  width: 120px;
  height: 140px;
}

/* In-round character header */
.round-hero {
  display: flex;
  justify-content: center;
  margin-bottom: 4px;
}
.round-hero .hal {
  width: 100px;
  height: 115px;
}

/* Victory champion — larger, celebratory */
.victory-mascot {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}
.victory-mascot .hal {
  width: 160px;
  height: 185px;
}

/* ========================================
   Per-round background identity
   Applied to .round-content which wraps each round's UI.
   ======================================== */

.round-content {
  position: relative;
  border-radius: 20px;
  padding: 18px 20px 22px;
  transition: background 0.5s ease;
  overflow: hidden;
}

.round-content.round-1 {
  background: linear-gradient(180deg, #FFF7ED 0%, #FFE4CC 100%);
}
.round-content.round-2 {
  background: linear-gradient(180deg, #F5F3FF 0%, #E0DAFF 100%);
}
.round-content.round-3 {
  background: linear-gradient(180deg, #FFFBEB 0%, #FFE4A8 100%);
}

/* Round-specific title accent */
.round-content.round-1 .round-title { color: #C9631C; }
.round-content.round-2 .round-title { color: #5E4E8F; }
.round-content.round-3 .round-title { color: #B8860B; }

/* Softer corners for mobile */
@media (max-width: 640px) {
  .round-content {
    padding: 16px 14px 20px;
    border-radius: 16px;
  }
  .hero-mascot .hal { width: 96px; height: 112px; }
  .round-hero .hal  { width: 80px;  height: 92px;  }
  .victory-mascot .hal { width: 130px; height: 150px; }
}

/* ========================================
   Hal — entrance + reaction animations
   ======================================== */

/* Landing hero mascot entrance */
.hero-mascot {
  animation: halHeroEntrance 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: 0.05s;
}
@keyframes halHeroEntrance {
  0%   { opacity: 0; transform: translateY(-26px) scale(0.7) rotate(-6deg); }
  60%  { opacity: 1; transform: translateY(4px)   scale(1.05) rotate(2deg); }
  100% { opacity: 1; transform: translateY(0)     scale(1)    rotate(0); }
}

/* In-round Hal entrance */
.round-hero {
  animation: halRoundEntrance 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes halRoundEntrance {
  0%   { opacity: 0; transform: translateY(18px) scale(0.8); }
  65%  { opacity: 1; transform: translateY(-4px) scale(1.06); }
  100% { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Celebrate — bounce + playful rotate (overrides idle via .hal.hal-* specificity) */
.hal.hal-celebrate {
  animation: halCelebrate 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) 1;
}
@keyframes halCelebrate {
  0%   { transform: translateY(0) rotate(0); }
  22%  { transform: translateY(-22px) rotate(-10deg) scale(1.08); }
  44%  { transform: translateY(0)    rotate(8deg)   scale(1); }
  66%  { transform: translateY(-10px) rotate(-4deg) scale(1.03); }
  88%  { transform: translateY(0)    rotate(2deg); }
  100% { transform: translateY(0)    rotate(0); }
}

/* Confused — subtle wobble + head tilt */
.hal.hal-confused {
  animation: halConfused 0.8s ease-in-out 1;
}
@keyframes halConfused {
  0%, 100% { transform: rotate(0) translateX(0); }
  20%      { transform: rotate(-6deg) translateX(-3px); }
  40%      { transform: rotate(5deg)  translateX(3px); }
  60%      { transform: rotate(-3deg) translateX(-2px); }
  80%      { transform: rotate(2deg)  translateX(1px); }
}

/* Morph — used when round changes (dissolve + scale) */
.hal.hal-morph-out {
  animation: halMorphOut 0.4s ease-in forwards;
}
.hal.hal-morph-in {
  animation: halMorphIn 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes halMorphOut {
  0%   { opacity: 1; transform: scale(1)    rotate(0); filter: brightness(1); }
  50%  { opacity: 1; transform: scale(1.18) rotate(8deg); filter: brightness(1.5) blur(1px); }
  100% { opacity: 0; transform: scale(0.4)  rotate(-12deg); filter: brightness(2) blur(4px); }
}
@keyframes halMorphIn {
  0%   { opacity: 0; transform: scale(0.4)  rotate(12deg);  filter: brightness(2)   blur(4px); }
  40%  { opacity: 1; transform: scale(1.18) rotate(-6deg);  filter: brightness(1.4) blur(1px); }
  100% { opacity: 1; transform: scale(1)    rotate(0);      filter: brightness(1)   blur(0); }
}

/* Victory — full triumphant entrance for the Champion on the victory screen */
.hal.hal-victory {
  animation: halVictoryEntrance 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes halVictoryEntrance {
  0%   { opacity: 0; transform: translateY(50px) scale(0.5) rotate(-18deg); }
  55%  { opacity: 1; transform: translateY(-12px) scale(1.12) rotate(6deg); }
  80%  { transform: translateY(3px) scale(0.97) rotate(-2deg); }
  100% { transform: translateY(0) scale(1) rotate(0); }
}

/* Sparkle burst for celebrate moments — pure CSS pseudo-elements */
.round-hero.hal-celebrating::before,
.round-hero.hal-celebrating::after {
  content: '✨';
  position: absolute;
  font-size: 20px;
  opacity: 0;
  pointer-events: none;
  animation: halSparkle 0.9s ease-out;
}
.round-hero.hal-celebrating {
  position: relative;
}
.round-hero.hal-celebrating::before { left: 18%; top: 10%; animation-delay: 0.05s; }
.round-hero.hal-celebrating::after  { right: 18%; top: 15%; animation-delay: 0.2s; }

@keyframes halSparkle {
  0%   { opacity: 0; transform: translateY(0) scale(0.5) rotate(0); }
  50%  { opacity: 1; transform: translateY(-18px) scale(1.3) rotate(180deg); }
  100% { opacity: 0; transform: translateY(-36px) scale(0.7) rotate(360deg); }
}

/* Respect reduced-motion preferences */
@media (prefers-reduced-motion: reduce) {
  .hal,
  .hal.hal-celebrate,
  .hal.hal-confused,
  .hal.hal-morph-in,
  .hal.hal-morph-out,
  .hero-mascot,
  .round-hero {
    animation-duration: 0.01s !important;
    animation-iteration-count: 1 !important;
  }
}