/* =========================================================
   Work Lab Nepal — Enterprise Glassmorphism Design System
   PRD: Deep Slate/Corporate Navy + Indigo/Teal accent
   Palette, Typography, Cards, Forms, Floating Bottom Nav
   ========================================================= */

:root {
  /* Brand Color Palette (PRD §5) */
  --wl-primary: #1E293B;            /* Deep Slate Blue / Corporate Navy */
  --wl-primary-dark: #0F172A;       /* Charcoal base text */
  --wl-accent: #4F46E5;             /* Vibrant Indigo */
  --wl-accent-2: #0D9488;           /* Teal accent */
  --wl-accent-gradient: linear-gradient(135deg, #4F46E5 0%, #0D9488 100%);
  --wl-bg: #F8FAFC;                 /* Subtle neutral off-white */

  /* Glass tokens */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-blur: blur(14px) saturate(160%);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.12);
  --glass-card-bg: rgba(255, 255, 255, 0.65);
  --glass-card-border: rgba(255, 255, 255, 0.45);

  /* Typography */
  --wl-font: 'Inter', 'Plus Jakarta Sans', 'Roboto', system-ui, sans-serif;
  --wl-radius: 10px;
  --wl-shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.1);

  /* Nav tokens */
  --nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 64px;
  --nav-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Base typography */
body {
  font-family: var(--wl-font);
  color: var(--wl-primary-dark);
  background-color: var(--wl-bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--wl-primary-dark);
  line-height: 1.2;
}

/* =========================================================
   1. GLASSMORPHISM COMPONENTS
   backdrop-filter blur + semi-transparent bg + subtle border
   ========================================================= */
.glass-container {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--wl-radius);
  box-shadow: var(--glass-shadow);
}

.glass-card {
  background: var(--glass-card-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-card-border);
  border-radius: var(--wl-radius);
  box-shadow: var(--wl-shadow-card);
  transition: var(--nav-transition);
}
.glass-card:hover {
  border-color: rgba(79, 70, 229, 0.35);
  box-shadow: 0 18px 40px -12px rgba(79, 70, 229, 0.18);
}

.glass-panel {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--wl-radius);
  box-shadow: var(--glass-shadow);
}

/* =========================================================
   2. FORM CONTROLS — floating labels + focus rings + state
   ========================================================= */
.wl-field {
  position: relative;
  margin-bottom: 1rem;
}
.wl-field input,
.wl-field select,
.wl-field textarea {
  width: 100%;
  padding: 1rem 0.9rem 0.5rem;
  font-size: 0.95rem;
  color: var(--wl-primary-dark);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: var(--wl-radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.wl-field label {
  position: absolute;
  left: 0.9rem;
  top: 0.6rem;
  font-size: 0.95rem;
  color: #64748B;
  pointer-events: none;
  transition: all 0.2s ease;
  background: transparent;
}
.wl-field input:focus,
.wl-field select:focus,
.wl-field textarea:focus {
  border-color: var(--wl-accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}
.wl-field input:focus + label,
.wl-field input:not(:placeholder-shown) + label,
.wl-field input.filled + label {
  top: -0.5rem;
  font-size: 0.72rem;
  color: var(--wl-accent);
  background: var(--wl-bg);
  padding: 0 0.3rem;
  border-radius: 4px;
}
/* Validation state indicators */
.wl-field.is-valid input { border-color: #16A34A; box-shadow: 0 0 0 3px rgba(22,163,74,0.15); }
.wl-field.is-invalid input { border-color: #DC2626; box-shadow: 0 0 0 3px rgba(220,38,38,0.15); }
.wl-field .field-hint { font-size: 0.75rem; margin-top: 0.25rem; }
.wl-field .field-hint.ok { color: #16A34A; }
.wl-field .field-hint.err { color: #DC2626; }

/* =========================================================
   3. BUTTONS & INTERACTIVE STATES
   ========================================================= */
.wl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-family: var(--wl-font);
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
  background: var(--wl-accent-gradient);
  border: none;
  border-radius: var(--wl-radius);
  cursor: pointer;
  box-shadow: var(--wl-shadow-card);
  transition: var(--nav-transition);
}
.wl-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 16px -6px rgba(79,70,229,0.35); }
.wl-btn:active { transform: translateY(0); }
.wl-btn--ghost {
  background: rgba(255,255,255,0.6);
  color: var(--wl-primary);
  border: 1px solid rgba(15,23,42,0.15);
  backdrop-filter: blur(8px);
}

/* =========================================================
   4. FLOATING BOTTOM NAVIGATION (native-app style)
   Round-style icons embedded in nav buttons
   ========================================================= */
.wl-bottom-nav {
  position: fixed;
  left: 50%;
  bottom: calc(0.75rem + var(--nav-safe-bottom));
  transform: translateX(-50%);
  width: min(92%, 460px);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.35rem;
  border-radius: 9999px;               /* pill / floating */
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
  z-index: 1000;
  transition: var(--nav-transition);
}

.wl-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.35rem 0.2rem;
  text-decoration: none;
  color: var(--wl-primary);
  font-size: 0.68rem;
  font-weight: 600;
  border-radius: 9999px;
  transition: var(--nav-transition);
  background: transparent;
}
/* Round icon chip */
.wl-nav-item .wl-nav-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;               /* round icon */
  background: rgba(255, 255, 255, 0.6);
  color: var(--wl-primary);
  transition: var(--nav-transition);
  border: 1px solid rgba(255,255,255,0.5);
}
.wl-nav-item .wl-nav-icon svg,
.wl-nav-item .wl-nav-icon .material-symbols-outlined {
  width: 22px;
  height: 22px;
  font-size: 22px;
}

/* Active state — gradient fill + lift */
.wl-nav-item.active { color: var(--wl-accent); }
.wl-nav-item.active .wl-nav-icon {
  background: var(--wl-accent-gradient);
  color: #fff;
  transform: translateY(-6px);
  box-shadow: 0 10px 20px -6px rgba(79, 70, 229, 0.45);
  border-color: transparent;
}
.wl-nav-item:hover .wl-nav-icon {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px -6px rgba(79,70,229,0.4);
}

/* Hidden on large screens by default; enable on mobile/app */
.wl-bottom-nav { display: none; }

/* =========================================================
   5. RESPONSIVENESS
   Native-like floating nav on mobile & small tablets
   ========================================================= */
@media (max-width: 768px) {
  .wl-bottom-nav {
    display: flex;
  }
  /* pad page content so bottom nav doesn't overlap */
  body.with-bottom-nav {
    padding-bottom: calc(var(--nav-height) + var(--nav-safe-bottom) + 1.25rem);
  }
  .glass-card,
  .glass-panel {
    border-radius: 14px;
  }
}

@media (min-width: 769px) {
  .wl-bottom-nav {
    display: none;                      /* desktop keeps its own nav */
  }
}

/* Dark-mode friendly glass fallback */
@media (prefers-color-scheme: dark) {
  .glass-card { background: rgba(30, 41, 59, 0.6); }
  .glass-panel { background: rgba(30, 41, 59, 0.6); }
  .wl-bottom-nav { background: rgba(30, 41, 59, 0.75); }
  .wl-nav-item { color: #E2E8F0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
}