/* ===========================
   MukundaTools NZ — Design System
   Apple App Feel | Dark by Default
   =========================== */

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

/* ---- CSS Custom Properties ---- */
:root {
  /* Dark Mode (default) */
  --bg: #0B0B0F;
  --bg-2: #13131A;
  --card: #15161C;
  --card-2: #1C1D26;
  --border: rgba(255,255,255,0.08);
  --border-glow: rgba(99,102,241,0.3);
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;
  --accent: #6366F1;       /* Indigo */
  --accent-2: #818CF8;
  --accent-green: #10B981;
  --accent-red: #EF4444;
  --accent-amber: #F59E0B;
  --glass-bg: rgba(21,22,28,0.85);
  --glass-border: rgba(255,255,255,0.1);
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --nav-bg: rgba(11,11,15,0.92);
  --bottom-nav: rgba(19,19,26,0.96);
  --chip-bg: #1C1D26;
  --chip-active: #6366F1;
  --chip-text: #9CA3AF;
  --chip-active-text: #FFFFFF;
  --input-bg: #1C1D26;
  --input-border: rgba(255,255,255,0.1);
  --input-focus: rgba(99,102,241,0.5);
  --slider-track: #2D2E3A;
  --slider-thumb: #6366F1;
  --result-bg: rgba(99,102,241,0.08);
  --sheet-bg: #13131A;
  --overlay: rgba(0,0,0,0.7);
  --success: #10B981;
  --tab-indicator: #6366F1;
}

[data-theme="light"] {
  --bg: #F5F5F7;
  --bg-2: #FFFFFF;
  --card: #FFFFFF;
  --card-2: #F9F9FB;
  --border: rgba(0,0,0,0.08);
  --border-glow: rgba(99,102,241,0.25);
  --text-primary: #1C1C1E;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --accent: #5856D6;
  --accent-2: #6366F1;
  --accent-green: #059669;
  --accent-red: #DC2626;
  --accent-amber: #D97706;
  --glass-bg: rgba(255,255,255,0.85);
  --glass-border: rgba(0,0,0,0.06);
  --shadow: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --nav-bg: rgba(245,245,247,0.92);
  --bottom-nav: rgba(255,255,255,0.96);
  --chip-bg: #F0F0F5;
  --chip-active: #5856D6;
  --chip-text: #6B7280;
  --chip-active-text: #FFFFFF;
  --input-bg: #F0F0F5;
  --input-border: rgba(0,0,0,0.08);
  --input-focus: rgba(88,86,214,0.3);
  --slider-track: #E5E5EA;
  --slider-thumb: #5856D6;
  --result-bg: rgba(88,86,214,0.06);
  --sheet-bg: #FFFFFF;
  --overlay: rgba(0,0,0,0.5);
  --success: #059669;
  --tab-indicator: #5856D6;
}

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

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  min-height: 100dvh;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  padding-bottom: 80px; /* Bottom nav space */
}

/* ---- Typography ---- */
.text-display { font-size: clamp(48px, 12vw, 72px); font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.text-hero    { font-size: clamp(32px, 8vw, 48px);  font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.text-large   { font-size: clamp(24px, 5vw, 32px);  font-weight: 700; letter-spacing: -0.02em; }
.text-xl      { font-size: 20px; font-weight: 600; }
.text-lg      { font-size: 18px; font-weight: 500; }
.text-base    { font-size: 16px; font-weight: 400; }
.text-sm      { font-size: 14px; font-weight: 400; }
.text-xs      { font-size: 12px; font-weight: 400; }
.text-label   { font-size: 13px; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.01em; }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-accent    { color: var(--accent); }
.text-green     { color: var(--accent-green); }
.text-red       { color: var(--accent-red); }
.text-amber     { color: var(--accent-amber); }

/* ---- Top Navigation ---- */
.top-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  transition: background 0.3s;
}

.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-badge {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #8B5CF6);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}

.logo-text { font-size: 15px; font-weight: 700; }
.logo-sub  { font-size: 11px; color: var(--text-secondary); font-weight: 400; }

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text-primary); background: var(--chip-bg); }
.nav-link.active { color: var(--accent); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 8px; }

/* Theme Toggle Button */
.theme-toggle {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text-secondary);
  font-size: 16px;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: var(--result-bg); }
.theme-toggle:active { transform: scale(0.92); }

/* ---- Bottom Tab Navigation (Mobile) ---- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bottom-nav);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--border);
  padding: 8px 0 max(8px, env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-around;
  transition: background 0.3s;
}

@media (min-width: 768px) {
  .bottom-nav { display: none; }
  body { padding-bottom: 0; }
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  padding: 4px 12px;
  border-radius: 10px;
  transition: all 0.2s;
  flex: 1;
  cursor: pointer;
}

.tab-icon {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s;
}

.tab-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.tab-item.active .tab-label { color: var(--tab-indicator); }
.tab-item.active .tab-icon { transform: scale(1.1); }

/* ---- Main Container ---- */
.page-wrapper {
  min-height: 100dvh;
  padding-top: 56px; /* top nav height */
}

.tool-container {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.wide-container {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* ---- Glass Cards ---- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(30px) saturate(150%);
  -webkit-backdrop-filter: blur(30px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.glass-card:hover { border-color: var(--border-glow); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.card-sm {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

/* ---- Big Result Display ---- */
.result-display {
  background: var(--result-bg);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 16px;
}

.result-number {
  font-size: clamp(48px, 14vw, 72px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  transition: all 0.15s ease;
}

.result-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* ---- Sticky Result Bar ---- */
.sticky-result {
  position: sticky;
  top: 56px;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s;
}

/* ---- Chip Selectors ---- */
.chip-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 16px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--chip-text);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  white-space: nowrap;
}

.chip:hover { border-color: var(--accent); color: var(--text-primary); }

.chip.active {
  background: var(--chip-active);
  border-color: var(--chip-active);
  color: var(--chip-active-text);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

.chip-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* ---- Input Fields ---- */
.field-group { margin-bottom: 20px; }

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 14px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  pointer-events: none;
}

.field-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s;
  font-family: inherit;
  font-variant-numeric: tabular-nums;
}

.field-input.has-prefix { padding-left: 36px; }

.field-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--input-focus);
}

.field-input::placeholder { color: var(--text-tertiary); font-weight: 400; font-size: 16px; }

/* ---- Range Slider ---- */
.slider-wrapper { padding: 4px 0; }

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) var(--slider-pct, 50%), var(--slider-track) var(--slider-pct, 50%), var(--slider-track) 100%);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--slider-thumb);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 3px rgba(99,102,241,0.25);
  transition: box-shadow 0.2s, transform 0.1s;
}

.range-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 6px rgba(99,102,241,0.2);
  transform: scale(1.1);
}

.range-slider::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: none;
  background: var(--slider-thumb);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.slider-value-display {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.slider-bounds {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

/* ---- Toggle Switch ---- */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.toggle-row:last-child { border-bottom: none; }

.toggle {
  position: relative;
  width: 44px; height: 26px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-track {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--slider-track);
  border-radius: 26px;
  transition: background 0.3s;
  cursor: pointer;
}

.toggle-track::before {
  content: '';
  position: absolute;
  height: 20px; width: 20px;
  left: 3px; top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.3s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.toggle input:checked + .toggle-track { background: var(--accent); }
.toggle input:checked + .toggle-track::before { transform: translateX(18px); }

/* ---- Segmented Control ---- */
.segmented {
  display: flex;
  background: var(--input-bg);
  border-radius: 12px;
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  flex: 1;
  padding: 8px 4px;
  background: transparent;
  border: none;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.seg-btn.active {
  background: var(--card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* ---- Select Dropdown ---- */
.field-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  transition: all 0.2s;
  font-family: inherit;
}

.field-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--input-focus); }

/* ---- Breakdown Rows ---- */
.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.breakdown-row:last-child { border-bottom: none; }

.breakdown-label { font-size: 15px; color: var(--text-secondary); font-weight: 400; }
.breakdown-value { font-size: 17px; color: var(--text-primary); font-weight: 600; font-variant-numeric: tabular-nums; }

.breakdown-row.total {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 16px;
}

.breakdown-row.total .breakdown-label { color: var(--text-primary); font-weight: 600; font-size: 16px; }
.breakdown-row.total .breakdown-value { color: var(--accent); font-size: 20px; font-weight: 700; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-family: inherit;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-secondary {
  background: var(--chip-bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
  width: 100%;
}
.btn-secondary:hover { border-color: var(--accent); background: var(--result-bg); }

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 10px;
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-green { background: rgba(16,185,129,0.15); color: var(--accent-green); }
.badge-amber { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.badge-red   { background: rgba(239,68,68,0.15);  color: var(--accent-red); }
.badge-blue  { background: rgba(99,102,241,0.15); color: var(--accent); }

/* ---- Page Header ---- */
.page-header {
  padding: 32px 0 24px;
  text-align: center;
}

.page-title {
  font-size: clamp(24px, 6vw, 32px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Tab Navigation (within page) ---- */
.tab-nav {
  display: flex;
  background: var(--input-bg);
  border-radius: 14px;
  padding: 4px;
  gap: 2px;
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  padding: 10px 8px;
  background: transparent;
  border: none;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  text-align: center;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* ---- Copy button feedback ---- */
.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  margin-top: 12px;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--accent-green); color: var(--accent-green); background: rgba(16,185,129,0.1); }

/* ---- Tool Cards on Homepage ---- */
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.25s ease;
  cursor: pointer;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.tool-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.tool-card:hover::before { opacity: 0.04; }
.tool-card:active { transform: translateY(0) scale(0.98); }

.tool-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.tool-icon-green { background: rgba(16,185,129,0.15); }
.tool-icon-blue  { background: rgba(99,102,241,0.15); }
.tool-icon-amber { background: rgba(245,158,11,0.15); }
.tool-icon-pink  { background: rgba(236,72,153,0.15); }

.tool-card-info { flex: 1; min-width: 0; }
.tool-card-name { font-size: 16px; font-weight: 700; margin-bottom: 3px; }
.tool-card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.4; }
.tool-card-arrow { color: var(--text-tertiary); font-size: 18px; flex-shrink: 0; }

/* ---- Hero Section (Homepage) ---- */
.hero {
  padding: 40px 0 32px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--result-bg);
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(32px, 8vw, 52px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 14px;
}

.hero-gradient {
  background: linear-gradient(135deg, var(--accent), #8B5CF6, var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto 28px;
}

/* ---- Show More Collapsible ---- */
.collapsible-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 12px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s;
  font-family: inherit;
  margin-top: 8px;
}

.collapsible-btn:hover { color: var(--accent); }

.collapsible-icon {
  font-size: 16px;
  transition: transform 0.3s;
}

.collapsible-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}

.collapsible-content.open {
  max-height: 600px;
  opacity: 1;
}

/* ---- LVR Badge ---- */
.lvr-bar {
  height: 6px;
  background: var(--slider-track);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 8px;
}

.lvr-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.4s ease, background 0.3s;
}

/* ---- Spacers & Utility ---- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.section-gap { margin-bottom: 16px; }
.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ---- Counter Animation ---- */
@keyframes countUp {
  from { opacity: 0.5; transform: translateY(4px); }
  to   { opacity: 1;   transform: translateY(0); }
}

.animating { animation: countUp 0.15s ease forwards; }

/* ---- Loading Skeleton ---- */
@keyframes shimmer {
  0%   { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-tertiary);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer a { color: var(--text-secondary); text-decoration: none; }
.footer a:hover { color: var(--accent); }

/* ---- Scrollbar Styling ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeInUp 0.4s ease forwards; }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99,102,241,0.3); }
  50%       { box-shadow: 0 0 0 8px rgba(99,102,241,0); }
}

/* ---- Disclaimer ---- */
.disclaimer {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.5;
  margin-top: 16px;
}

/* ---- Tab Content Panels ---- */
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeInUp 0.3s ease; }

/* ---- Quick Info Strips ---- */
.info-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 8px 0;
}

/* ---- Responsive ---- */
@media (min-width: 768px) {
  .tool-container { padding: 32px 20px 60px; }
  .tool-card { padding: 22px 24px; }
}

/* ---- Transition for theme ---- */
body, .card, .glass-card, .field-input, .field-select, .chip, .btn-secondary, .tool-card {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}