/* ==========================================================================
   360tools.me — FontAwesome Theme & Design System
   Aesthetic: FontAwesome.com Precision UI (Deep Navy #183153, FA Blue #146ebe,
   FA Yellow #ffd43b, Mint Teal #20c997, Crisp Clean Slate #f8fafc)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
  /* FontAwesome Core Palette */
  --fa-navy-dark: #0f1c2e;
  --fa-navy: #183153;
  --fa-navy-light: #25406b;
  --fa-blue: #146ebe;
  --fa-blue-hover: #0d5ca3;
  --fa-blue-light: #e8f3fc;
  --fa-yellow: #ffd43b;
  --fa-yellow-hover: #fcc419;
  --fa-yellow-light: #fff9db;
  --fa-teal: #20c997;
  --fa-teal-light: #e6fcf5;
  --fa-rose: #fa5252;
  --fa-rose-light: #ffe3e3;

  /* Surfaces & Backgrounds */
  --fa-bg: #f8fafc;
  --fa-bg-subtle: #f1f5f9;
  --fa-card: #ffffff;
  --fa-card-hover: #ffffff;
  --fa-border: #e2e8f0;
  --fa-border-focus: #146ebe;

  /* Typography */
  --fa-text-main: #183153;
  --fa-text-sub: #64748b;
  --fa-text-muted: #94a3b8;
  --fa-text-white: #ffffff;

  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(24, 49, 83, 0.05);
  --shadow-md: 0 4px 16px rgba(24, 49, 83, 0.08), 0 1px 3px rgba(24, 49, 83, 0.04);
  --shadow-lg: 0 12px 32px rgba(24, 49, 83, 0.12), 0 2px 6px rgba(24, 49, 83, 0.04);
  --shadow-hover: 0 16px 40px rgba(20, 110, 190, 0.16), 0 4px 12px rgba(24, 49, 83, 0.06);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-pill: 9999px;
}

/* Base Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--fa-bg);
  color: var(--fa-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.025em;
}

/* Selection */
::selection {
  background: var(--fa-yellow);
  color: var(--fa-navy);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--fa-bg-subtle);
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* FontAwesome Signature Cards */
.fa-card {
  background: var(--fa-card);
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.fa-card:hover {
  border-color: #cbd5e1;
}

.fa-card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--fa-blue);
}

/* FontAwesome Header Navigation */
.fa-header-nav {
  background: #ffffff;
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.fa-btn-primary {
  background-color: var(--fa-blue);
  color: #ffffff;
  font-weight: 700;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(20, 110, 190, 0.25);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  text-decoration: none;
}

.fa-btn-primary:hover {
  background-color: var(--fa-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(20, 110, 190, 0.35);
  color: #ffffff;
}

.fa-btn-primary:active {
  transform: translateY(0);
}

.fa-btn-yellow {
  background-color: var(--fa-yellow);
  color: var(--fa-navy-dark);
  font-weight: 800;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(255, 212, 59, 0.3);
  transition: all 0.2s ease;
  cursor: pointer;
}

.fa-btn-yellow:hover {
  background-color: var(--fa-yellow-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 212, 59, 0.4);
}

.fa-btn-secondary {
  background-color: #ffffff;
  color: var(--fa-navy);
  font-weight: 700;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--fa-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.fa-btn-secondary:hover {
  background-color: var(--fa-bg-subtle);
  border-color: #cbd5e1;
  color: var(--fa-blue);
  transform: translateY(-2px);
}

/* Badges & Pills */
.fa-badge-blue {
  background-color: var(--fa-blue-light);
  color: var(--fa-blue);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(20, 110, 190, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  letter-spacing: 0.02em;
}

.fa-badge-yellow {
  background-color: var(--fa-yellow-light);
  color: #b08800;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 212, 59, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.fa-badge-teal {
  background-color: var(--fa-teal-light);
  color: #0ca678;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(32, 201, 151, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Inputs & Form Controls */
.fa-input {
  width: 100%;
  background-color: #ffffff;
  border: 2px solid var(--fa-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fa-navy);
  transition: all 0.2s ease;
  outline: none;
}

.fa-input:focus {
  border-color: var(--fa-blue);
  box-shadow: 0 0 0 4px rgba(20, 110, 190, 0.15);
  background-color: #ffffff;
}

/* Range Slider */
input[type=range] {
  accent-color: var(--fa-blue);
}

/* Icon Box Containers */
.fa-icon-box {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-md);
  background-color: var(--fa-blue-light);
  color: var(--fa-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.fa-icon-box-yellow {
  background-color: var(--fa-yellow-light);
  color: #f59f00;
}

.fa-card-interactive:hover .fa-icon-box {
  transform: scale(1.08);
  background-color: var(--fa-blue);
  color: #ffffff;
}

/* Stat Highlight Boxes */
.fa-stat-box {
  background: var(--fa-bg-subtle);
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.fa-stat-box-blue {
  background: var(--fa-blue-light);
  border: 1px solid rgba(20, 110, 190, 0.2);
}

.fa-stat-box-yellow {
  background: var(--fa-yellow-light);
  border: 1px solid rgba(255, 212, 59, 0.4);
}

.fa-stat-box-teal {
  background: var(--fa-teal-light);
  border: 1px solid rgba(32, 201, 151, 0.3);
}

/* Tab Switching */
.fa-tab-btn {
  background: #ffffff;
  color: var(--fa-navy);
  border: 1px solid var(--fa-border);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.fa-tab-btn:hover {
  background: var(--fa-bg-subtle);
  border-color: #cbd5e1;
  color: var(--fa-blue);
}

.fa-tab-btn.active {
  background: var(--fa-blue);
  color: #ffffff;
  border-color: var(--fa-blue);
  box-shadow: 0 4px 12px rgba(20, 110, 190, 0.25);
}

/* Tooltip */
.custom-tooltip {
  position: relative;
}

.custom-tooltip .tooltip-text {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
}

.custom-tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

details summary::-webkit-details-marker {
  display: none;
}

.font-heading {
  font-family: var(--font-heading) !important;
}

.font-body,
.font-sans {
  font-family: var(--font-sans) !important;
}

.font-mono {
  font-family: var(--font-mono) !important;
}