/* ============================================================
   EnglishForLife.in — Main Stylesheet
   Theme: Warm Saffron × Midnight Navy — Bold, Approachable, Indian
   ============================================================ */

/* ---- Variables ------------------------------------------- */
:root {
  --saffron:     #FF6B1A;
  --saffron-lt:  #FF8C42;
  --saffron-glow:#FF6B1A33;
  --navy:        #0F1735;
  --navy-card:   #162040;
  --navy-border: #1E2D55;
  --teal:        #00C9A7;
  --teal-lt:     #E0FFF9;
  --gold:        #FFD166;
  --text-main:   #E8EDF8;
  --text-muted:  #8899BB;
  --text-body:   #C5CEE0;
  --white:       #FFFFFF;
  --green:       #06D6A0;
  --red:         #EF233C;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 8px 32px rgba(0,0,0,0.35);
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.2);
  --font-main:   'Baloo 2', 'Noto Sans Devanagari', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
}

/* ---- Base ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--navy);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.65;
}

h1,h2,h3,h4,h5 { font-weight: 700; }

a { color: var(--saffron-lt); text-decoration: none; }
a:hover { color: var(--gold); }

/* ---- Navbar ----------------------------------------------- */
.efl-navbar {
  background: rgba(15,23,53,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--navy-border);
  padding: 0.6rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.efl-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main) !important;
}
.brand-icon { font-size: 1.5rem; }
.brand-accent { color: var(--saffron); }
.brand-dot { color: var(--teal); font-size: 0.9em; }
.brand-text-sm { font-weight: 700; font-size: 1rem; }

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  padding: 0.4rem 0.75rem !important;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  font-size: 0.92rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--saffron-lt) !important;
  background: var(--saffron-glow);
}
.efl-btn-sm {
  background: var(--saffron) !important;
  color: var(--white) !important;
  font-weight: 700 !important;
  padding: 0.35rem 1rem !important;
}
.efl-btn-sm:hover {
  background: var(--saffron-lt) !important;
  color: var(--white) !important;
}

/* ---- Cards ------------------------------------------------ */
.efl-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.efl-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.efl-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.efl-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.icon-orange { background: rgba(255,107,26,0.15); color: var(--saffron); }
.icon-teal   { background: rgba(0,201,167,0.15);  color: var(--teal); }
.icon-gold   { background: rgba(255,209,102,0.15); color: var(--gold); }
.icon-green  { background: rgba(6,214,160,0.15);  color: var(--green); }

/* ---- Forms ----------------------------------------------- */
.efl-input {
  background: var(--navy) !important;
  border: 1.5px solid var(--navy-border) !important;
  color: var(--text-main) !important;
  border-radius: var(--radius-sm) !important;
  padding: 0.75rem 1rem !important;
  font-family: var(--font-main) !important;
  font-size: 1rem !important;
  transition: border-color 0.2s !important;
}
.efl-input:focus {
  border-color: var(--saffron) !important;
  box-shadow: 0 0 0 3px var(--saffron-glow) !important;
  outline: none !important;
}
.efl-input::placeholder { color: var(--text-muted) !important; }

/* ---- Buttons --------------------------------------------- */
.btn-saffron {
  background: linear-gradient(135deg, var(--saffron), var(--saffron-lt));
  color: var(--white);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.75rem;
  font-size: 1rem;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.btn-saffron:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,107,26,0.4);
  color: var(--white);
}
.btn-saffron:disabled { opacity: 0.6; transform: none; }

.btn-teal {
  background: linear-gradient(135deg, var(--teal), #00E5BE);
  color: var(--navy);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.75rem;
  font-size: 1rem;
  transition: all 0.2s;
}
.btn-teal:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,201,167,0.35); color: var(--navy); }

.btn-outline-saffron {
  background: transparent;
  border: 1.5px solid var(--saffron);
  color: var(--saffron);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.5rem;
  transition: all 0.2s;
}
.btn-outline-saffron:hover { background: var(--saffron-glow); color: var(--saffron-lt); }

/* ---- Hero ------------------------------------------------- */
.efl-hero {
  background: linear-gradient(160deg, #0F1735 0%, #162040 50%, #1A0A2E 100%);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.efl-hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(255,107,26,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.efl-hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(0,201,167,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-body);
  max-width: 560px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,107,26,0.15);
  border: 1px solid rgba(255,107,26,0.35);
  color: var(--saffron-lt);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---- Result Box ------------------------------------------ */
.result-box {
  background: var(--navy);
  border: 1.5px solid var(--navy-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--teal);
  word-break: break-word;
}
.explanation-box {
  background: rgba(255,209,102,0.07);
  border-left: 3px solid var(--gold);
  padding: 0.85rem 1.1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-body);
  font-size: 0.97rem;
  font-family: 'Noto Sans Devanagari', var(--font-main);
}
.example-pill {
  display: inline-block;
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.25);
  color: var(--teal);
  border-radius: 50px;
  padding: 0.25rem 0.85rem;
  font-size: 0.88rem;
  margin: 0.2rem;
}

/* ---- Score badge ----------------------------------------- */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.2rem;
}
.score-good   { background: rgba(6,214,160,0.15);  color: var(--green); border: 2px solid var(--green); }
.score-mid    { background: rgba(255,209,102,0.15); color: var(--gold);  border: 2px solid var(--gold); }
.score-low    { background: rgba(239,35,60,0.15);   color: var(--red);   border: 2px solid var(--red); }

/* ---- Stat cards ------------------------------------------ */
.stat-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
}
.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--saffron);
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; }

/* ---- Progress bar ---------------------------------------- */
.efl-progress {
  height: 8px;
  background: var(--navy-border);
  border-radius: 50px;
  overflow: hidden;
}
.efl-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--saffron), var(--gold));
  border-radius: 50px;
  transition: width 0.6s ease;
}

/* ---- Level buttons --------------------------------------- */
.level-btn {
  background: transparent;
  border: 1.5px solid var(--navy-border);
  color: var(--text-muted);
  border-radius: 50px;
  padding: 0.3rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.level-btn.active, .level-btn:hover { border-color: var(--saffron); color: var(--saffron); background: var(--saffron-glow); }
.level-btn.easy.active   { border-color: var(--green);  color: var(--green);  background: rgba(6,214,160,0.1); }
.level-btn.medium.active { border-color: var(--gold);   color: var(--gold);   background: rgba(255,209,102,0.1); }
.level-btn.hard.active   { border-color: var(--red);    color: var(--red);    background: rgba(239,35,60,0.1); }

/* ---- Loader ---------------------------------------------- */
.efl-loader {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2.5px solid var(--navy-border);
  border-top-color: var(--saffron);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast ----------------------------------------------- */
.efl-toast-container {
  position: fixed;
  top: 4.5rem; right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.efl-toast {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: 0.92rem;
  color: var(--text-main);
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  max-width: 320px;
}
.efl-toast.success { border-left: 3px solid var(--green); }
.efl-toast.error   { border-left: 3px solid var(--red); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ---- Footer ---------------------------------------------- */
.efl-footer {
  background: rgba(15,23,53,0.8);
  border-top: 1px solid var(--navy-border);
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: auto;
}
.efl-footer a { color: var(--text-muted); }
.efl-footer a:hover { color: var(--saffron-lt); }
.footer-sub { color: var(--text-muted); font-size: 0.82rem; }

/* ---- Utilities ------------------------------------------- */
.text-saffron { color: var(--saffron) !important; }
.text-teal    { color: var(--teal) !important; }
.text-gold    { color: var(--gold) !important; }
.text-muted-efl { color: var(--text-muted) !important; }
.text-body-efl  { color: var(--text-body) !important; }
.section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.25rem; }
.section-sub   { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 1.5rem; }
.divider       { border-color: var(--navy-border) !important; margin: 1.5rem 0; }
.hindi-text    { font-family: 'Noto Sans Devanagari', sans-serif; font-size: 1.15rem; color: var(--gold); font-weight: 600; }
.mono-text     { font-family: var(--font-mono); }

/* ---- Fade-in animation ----------------------------------- */
.fade-in { animation: fadeIn 0.4s ease forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Responsive ------------------------------------------ */
@media (max-width: 768px) {
  .efl-hero { padding: 2.5rem 0 2rem; }
  .efl-card { padding: 1.25rem; }
  .hero-title { font-size: 1.9rem; }
}