/* ============================================================
   Finance Atlas — Dark Theme (Awwwards-grade)
   ------------------------------------------------------------
   Overrides the light Tailwind classes with a sophisticated
   dark palette: near-black backgrounds, glassmorphic cards,
   amber accent glow, refined typography, smooth transitions.

   Loaded AFTER styles.css so it wins specificity battles.
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Backgrounds — layered near-black with blue undertone */
  --fa-bg-base: #0A0B0F;
  --fa-bg-surface: #14161C;
  --fa-bg-elevated: #1C1F27;
  --fa-bg-hover: #232733;
  --fa-bg-input: #0F1116;

  /* Borders */
  --fa-border-subtle: #232733;
  --fa-border-default: #2A2E38;
  --fa-border-strong: #3A3F4D;

  /* Text */
  --fa-text-primary: #F0F1F4;
  --fa-text-secondary: #9CA3AF;
  --fa-text-tertiary: #6B7280;
  --fa-text-inverse: #0A0B0F;

  /* Accent — refined amber/gold */
  --fa-accent: #F59E0B;
  --fa-accent-bright: #FBBF24;
  --fa-accent-deep: #D97706;
  --fa-accent-glow: rgba(245, 158, 11, 0.15);

  /* Semantic */
  --fa-success: #10B981;
  --fa-danger: #EF4444;

  /* Shadows */
  --fa-shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.2);
  --fa-shadow-elevated: 0 10px 40px rgba(0,0,0,0.5), 0 2px 10px rgba(0,0,0,0.3);
  --fa-shadow-glow: 0 0 30px rgba(245, 158, 11, 0.1);
}

/* ---------- Body & Base ---------- */
body.bg-slate-50 {
  background: var(--fa-bg-base) !important;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(245, 158, 11, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(30, 34, 41, 0.4), transparent) !important;
  color: var(--fa-text-primary) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif !important;
  letter-spacing: -0.011em;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--fa-text-primary) !important;
  letter-spacing: -0.025em;
}

h1 { letter-spacing: -0.035em !important; }

/* ---------- Header ---------- */
header.bg-white {
  background: rgba(10, 11, 15, 0.8) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--fa-border-subtle) !important;
  position: sticky;
  top: 0;
  z-index: 50;
}

header .text-navy-900,
header .text-navy-800,
header .font-bold {
  color: var(--fa-text-primary) !important;
}

header nav a {
  color: var(--fa-text-secondary) !important;
  transition: color 0.2s ease, transform 0.2s ease;
  position: relative;
}

header nav a:hover {
  color: var(--fa-accent-bright) !important;
}

header nav a.text-navy-800 {
  color: var(--fa-accent-bright) !important;
}

/* Region switcher pill in header */
.fa-region-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 9999px;
  background: var(--fa-bg-elevated);
  border: 1px solid var(--fa-border-default);
  font-size: 12px;
  font-weight: 600;
  color: var(--fa-text-secondary);
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.fa-region-switch:hover {
  background: var(--fa-bg-hover);
  border-color: var(--fa-accent);
  color: var(--fa-accent-bright) !important;
  box-shadow: 0 0 20px var(--fa-accent-glow);
}

.fa-region-switch.active {
  background: var(--fa-accent);
  color: var(--fa-text-inverse) !important;
  border-color: var(--fa-accent);
}

/* ---------- Cards (bg-white → dark surface) ---------- */
.bg-white {
  background: var(--fa-bg-surface) !important;
  border: 1px solid var(--fa-border-subtle) !important;
  backdrop-filter: blur(10px);
}

/* Card hover lift */
a.block.bg-white {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

a.block.bg-white:hover {
  border-color: var(--fa-accent) !important;
  transform: translateY(-2px);
  box-shadow: var(--fa-shadow-elevated), 0 0 30px var(--fa-accent-glow);
}

/* ---------- Text Color Overrides ---------- */
.text-navy-900 { color: var(--fa-text-primary) !important; }
.text-navy-800 { color: var(--fa-text-primary) !important; }
.text-navy-700 { color: var(--fa-text-secondary) !important; }
.text-navy-100 { color: var(--fa-text-secondary) !important; }

.text-slate-800 { color: var(--fa-text-primary) !important; }
.text-slate-700 { color: var(--fa-text-secondary) !important; }
.text-slate-600 { color: var(--fa-text-secondary) !important; }
.text-slate-500 { color: var(--fa-text-tertiary) !important; }
.text-slate-400 { color: var(--fa-text-tertiary) !important; }

/* Accent text stays bright */
.text-action-500 { color: var(--fa-accent) !important; }
.text-action-600 { color: var(--fa-accent-bright) !important; }
.text-action-400 { color: var(--fa-accent-bright) !important; }

/* ---------- Borders ---------- */
.border-slate-200 { border-color: var(--fa-border-subtle) !important; }
.border-slate-300 { border-color: var(--fa-border-default) !important; }
.border-slate-100 { border-color: var(--fa-border-subtle) !important; }
.border-navy-100 { border-color: var(--fa-border-subtle) !important; }

/* ---------- Backgrounds (light → dark) ---------- */
.bg-slate-50 { background: var(--fa-bg-base) !important; }
.bg-slate-100 { background: var(--fa-bg-surface) !important; }
.bg-slate-200 { background: var(--fa-bg-elevated) !important; }
.bg-navy-50 { background: var(--fa-bg-elevated) !important; }

/* Slate-50 on sliders/inputs needs to be darker */
input[type="range"] {
  background: linear-gradient(to right, var(--fa-bg-elevated), var(--fa-bg-hover)) !important;
}

/* ---------- Inputs ---------- */
input[type="number"],
input[type="text"],
input[type="email"],
select,
textarea {
  background: var(--fa-bg-input) !important;
  border: 1px solid var(--fa-border-default) !important;
  color: var(--fa-text-primary) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

/* Premium input styling — subtle background contrast + crisp focus ring */
.fa-input {
  background: var(--fa-bg-input) !important;
  border: 1px solid var(--fa-border-default) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.fa-input:focus {
  border-color: var(--fa-accent) !important;
  box-shadow: 0 0 0 2px var(--fa-accent) !important;
  outline: none !important;
  background: var(--fa-bg-surface) !important;
}

/* Input card — subtle background to contrast inputs against the card */
.fa-input-card {
  background: var(--fa-bg-surface) !important;
}

/* Cap number inputs in comparison calculator rows so 20-digit max doesn't stretch the grid */
.loan-input[type="number"] {
  max-width: 180px !important;
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
  border-color: var(--fa-accent) !important;
  box-shadow: 0 0 0 3px var(--fa-accent-glow) !important;
  outline: none !important;
}

input::placeholder { color: var(--fa-text-tertiary) !important; }

/* Number input prefix/suffix icons */
.text-slate-500.text-sm.font-medium {
  color: var(--fa-text-tertiary) !important;
}

/* ---------- Buttons ---------- */
.bg-action-500 {
  background: linear-gradient(135deg, var(--fa-accent), var(--fa-accent-deep)) !important;
  border: none !important;
  box-shadow: 0 4px 15px var(--fa-accent-glow), 0 1px 3px rgba(0,0,0,0.3);
  transition: all 0.25s ease;
}

.bg-action-500:hover {
  background: linear-gradient(135deg, var(--fa-accent-bright), var(--fa-accent)) !important;
  box-shadow: 0 6px 25px var(--fa-accent-glow), 0 2px 8px rgba(0,0,0,0.4);
  transform: translateY(-1px);
}

.bg-navy-800 {
  background: var(--fa-bg-elevated) !important;
  border: 1px solid var(--fa-border-default) !important;
  color: var(--fa-text-primary) !important;
}

.bg-navy-900 {
  background: linear-gradient(135deg, var(--fa-bg-surface), var(--fa-bg-elevated)) !important;
  border: 1px solid var(--fa-border-subtle) !important;
}

/* ---------- Output Panel (dark navy card) ---------- */
.lg\:sticky .bg-navy-900 {
  background: linear-gradient(135deg, #14161C, #1C1F27) !important;
  border: 1px solid var(--fa-border-default) !important;
  box-shadow: var(--fa-shadow-elevated);
}

.bg-navy-900.text-white .text-navy-100\/80,
.bg-navy-900.text-white .text-navy-100\/70,
.bg-navy-900.text-white .text-navy-100\/60,
.bg-navy-900.text-white .text-navy-100\/50 {
  color: var(--fa-text-secondary) !important;
}

/* ---------- Category Pills ---------- */
.bg-white.border.border-slate-200.text-slate-700 {
  background: var(--fa-bg-elevated) !important;
  border: 1px solid var(--fa-border-default) !important;
  color: var(--fa-text-secondary) !important;
  transition: all 0.2s ease;
}

.bg-white.border.border-slate-200.text-slate-700:hover {
  border-color: var(--fa-accent) !important;
  color: var(--fa-accent-bright) !important;
}

/* Active pill */
.bg-navy-800.text-white {
  background: linear-gradient(135deg, var(--fa-accent), var(--fa-accent-deep)) !important;
  color: var(--fa-text-inverse) !important;
  border: none !important;
  box-shadow: 0 4px 15px var(--fa-accent-glow);
}

/* ---------- Tables ---------- */
thead.bg-navy-900 {
  background: var(--fa-bg-elevated) !important;
}

thead.bg-slate-50 {
  background: var(--fa-bg-elevated) !important;
}

tbody .divide-slate-100 > * {
  border-color: var(--fa-border-subtle) !important;
}

table td { color: var(--fa-text-secondary) !important; }

/* ---------- Details / Summary ---------- */
details.bg-white {
  background: var(--fa-bg-surface) !important;
}

details summary:hover {
  background: var(--fa-bg-elevated) !important;
}

/* ---------- Disclaimer Boxes ---------- */
.bg-amber-50 {
  background: rgba(245, 158, 11, 0.08) !important;
  border: 1px solid rgba(245, 158, 11, 0.2) !important;
}

.border-amber-300 { border-color: rgba(245, 158, 11, 0.3) !important; }
.border-amber-400 { border-color: rgba(245, 158, 11, 0.4) !important; }

.text-amber-900 { color: #FCD34D !important; }
.text-amber-700 { color: #FBBF24 !important; }
.text-amber-600 { color: var(--fa-accent) !important; }

/* ---------- Semantic Colors (success/danger for comparison tables) ---------- */
/* Used by JS-injected "cheapest" row highlight and warning states */
.bg-green-50 {
  background: rgba(16, 185, 129, 0.08) !important;
}
.bg-green-500\/15,
.bg-green-500\/10 {
  background: rgba(16, 185, 129, 0.12) !important;
}
.text-green-700 { color: #34D399 !important; }
.text-green-600 { color: #10B981 !important; }
.text-green-400 { color: #34D399 !important; }
.text-green-300 { color: #6EE7B7 !important; }
.border-green-400\/30 { border-color: rgba(16, 185, 129, 0.3) !important; }

.bg-red-50 {
  background: rgba(239, 68, 68, 0.08) !important;
}
.bg-red-500\/10,
.bg-red-500\/15 {
  background: rgba(239, 68, 68, 0.12) !important;
}
.text-red-600 { color: #F87171 !important; }
.text-red-400 { color: #FCA5A5 !important; }
.text-red-300 { color: #FCA5A5 !important; }
.text-red-200 { color: #FECACA !important; }
.border-red-400\/30,
.border-red-400\/40 { border-color: rgba(239, 68, 68, 0.35) !important; }

/* ---------- Article Content ---------- */
article .text-slate-600,
article .text-slate-700 {
  color: var(--fa-text-secondary) !important;
  line-height: 1.75;
}

article h2, article h3 {
  color: var(--fa-text-primary) !important;
}

article a.text-action-600,
article a.text-action-500 {
  color: var(--fa-accent-bright) !important;
  transition: color 0.2s ease;
}

article a.text-action-600:hover,
article a.text-action-500:hover {
  color: var(--fa-accent) !important;
}

/* List items */
article ul.list-disc li {
  color: var(--fa-text-secondary) !important;
}

article ul.list-disc li::marker {
  color: var(--fa-accent) !important;
}

/* ---------- Footer ---------- */
footer.bg-navy-900 {
  background: var(--fa-bg-surface) !important;
  border-top: 1px solid var(--fa-border-subtle) !important;
}

footer a {
  color: var(--fa-text-tertiary) !important;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--fa-accent-bright) !important;
}

footer .font-bold.text-white {
  color: var(--fa-text-primary) !important;
}

footer .text-navy-100\/50,
footer .text-navy-100\/70 {
  color: var(--fa-text-tertiary) !important;
}

/* ---------- Regions Switcher (footer) ---------- */
.fa-regions-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--fa-border-default);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.fa-regions-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fa-text-tertiary);
}

.fa-regions-pills {
  display: flex;
  gap: 8px;
}

.fa-region-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 9999px;
  background: var(--fa-bg-elevated);
  border: 1px solid var(--fa-border-default);
  font-size: 13px;
  font-weight: 600;
  color: var(--fa-text-secondary);
  text-decoration: none !important;
  transition: all 0.25s ease;
}

.fa-region-pill:hover {
  border-color: var(--fa-accent);
  color: var(--fa-accent-bright) !important;
  box-shadow: 0 0 20px var(--fa-accent-glow);
  transform: translateY(-1px);
}

.fa-region-pill.active {
  background: linear-gradient(135deg, var(--fa-accent), var(--fa-accent-deep));
  color: var(--fa-text-inverse) !important;
  border-color: var(--fa-accent);
  box-shadow: 0 4px 15px var(--fa-accent-glow);
}

/* ---------- Chart Canvas Container ---------- */
canvas {
  filter: saturate(1.1);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--fa-bg-base); }
::-webkit-scrollbar-thumb {
  background: var(--fa-bg-hover);
  border-radius: 5px;
  border: 2px solid var(--fa-bg-base);
}
::-webkit-scrollbar-thumb:hover { background: var(--fa-border-strong); }

/* ---------- Selection ---------- */
::selection {
  background: var(--fa-accent-glow);
  color: var(--fa-text-primary);
}

/* ---------- Focus Visible ---------- */
*:focus-visible {
  outline: 2px solid var(--fa-accent);
  outline-offset: 2px;
}

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

/* ---------- Mobile Refinements ---------- */
@media (max-width: 640px) {
  header .max-w-6xl { padding: 0 1rem; }
  h1 { letter-spacing: -0.02em !important; }
}