/* ============================================================
   twm-calc.css v3 — Trucking With Mook Calculator
   Dark glassmorphism theme. ALL rules scoped under #twm-calc.
   Light theme via #twm-calc[data-theme="light"].
   ============================================================ */

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

/* ── Design tokens: Dark (default) ─────────────────────────── */
#twm-calc {
  --bg-base:           #070c18;
  --bg-grad:           radial-gradient(ellipse 90% 55% at 50% -5%, rgba(0,120,255,.13) 0%, transparent 65%);
  --surface:           rgba(255,255,255,.045);
  --surface-hover:     rgba(255,255,255,.075);
  --surface-active:    rgba(0,212,255,.07);
  --border:            rgba(255,255,255,.08);
  --border-accent:     rgba(0,212,255,.32);
  --text:              #dde6f5;
  --text-muted:        #5e7290;
  --text-dim:          #2e3f58;
  --accent:            #00d4ff;
  --accent-dark:       #0097b8;
  --accent-glow:       rgba(0,212,255,.18);
  --amber:             #f59e0b;
  --amber-glow:        rgba(245,158,11,.18);
  --success:           #10b981;
  --success-glow:      rgba(16,185,129,.18);
  --danger:            #f87171;
  --danger-glow:       rgba(248,113,113,.18);
  --radius:            16px;
  --radius-sm:         10px;
  --radius-xs:         7px;
  --shadow:            0 8px 32px rgba(0,0,0,.45);
  --shadow-sm:         0 2px 12px rgba(0,0,0,.3);
  --glow:              0 0 22px rgba(0,212,255,.12), 0 0 44px rgba(0,212,255,.05);
}

/* ── Light theme overrides ──────────────────────────────────── */
#twm-calc[data-theme="light"] {
  --bg-base:        #eef2f9;
  --bg-grad:        radial-gradient(ellipse 90% 55% at 50% -5%, rgba(0,120,255,.07) 0%, transparent 65%);
  --surface:        rgba(255,255,255,.88);
  --surface-hover:  rgba(255,255,255,.98);
  --surface-active: rgba(0,160,230,.07);
  --border:         rgba(0,0,0,.08);
  --border-accent:  rgba(0,120,210,.28);
  --text:           #0d1829;
  --text-muted:     #536179;
  --text-dim:       #9aaabf;
  --accent:         #0082cc;
  --accent-dark:    #005f99;
  --accent-glow:    rgba(0,130,204,.14);
  --shadow:         0 4px 20px rgba(0,0,0,.09);
  --shadow-sm:      0 2px 8px rgba(0,0,0,.06);
  --glow:           0 0 20px rgba(0,130,204,.08);
}

/* ── Root container ─────────────────────────────────────────── */
#twm-calc {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-base);
  background-image:
    var(--bg-grad),
    linear-gradient(rgba(0,212,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.022) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  color: var(--text);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 16px 90px;
  position: relative;
  overflow-x: hidden;
}
#twm-calc[data-theme="light"] {
  background-image:
    var(--bg-grad),
    linear-gradient(rgba(0,100,200,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,100,200,.025) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

/* Box-sizing reset */
#twm-calc, #twm-calc * {
  box-sizing: border-box;
}
#twm-calc * {
  margin: 0; padding: 0;
}
@media (min-width: 900px) {
  #twm-calc { padding: 24px 24px 96px; }
}

/* ── Header ─────────────────────────────────────────────────── */
#twm-calc .twm-header {
  position: relative;
  text-align: center;
  padding: 36px 60px 28px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  overflow: hidden;
}
#twm-calc .twm-header::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,.06) 0%, rgba(120,60,255,.04) 100%);
  border: 1px solid rgba(0,212,255,.1);
  border-radius: var(--radius);
  pointer-events: none;
}
#twm-calc .twm-header-inner { position: relative; z-index: 1; }
#twm-calc .twm-eyebrow {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), #818cf8);
  color: #fff;
  font-size: .6rem; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 11px; border-radius: 100px;
  margin-bottom: 10px;
}
#twm-calc .twm-header h1 {
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 900; letter-spacing: -.03em; line-height: 1.1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
#twm-calc[data-theme="light"] .twm-header h1 {
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text;
}
#twm-calc .twm-header p { font-size: .86rem; color: var(--text-muted); font-weight: 500; }

#twm-calc .twm-theme-toggle {
  position: absolute; top: 14px; right: 14px;
  min-width: 58px; height: 34px; border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: .72rem; font-weight: 700; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0 10px;
  transition: all .2s; z-index: 2;
}
#twm-calc .twm-theme-toggle:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  box-shadow: var(--glow);
}

/* ── Tabs ────────────────────────────────────────────────────── */
#twm-calc .twm-tabs {
  position: relative;
  display: flex; gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px; margin-bottom: 22px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
#twm-calc .twm-tab-indicator {
  position: absolute;
  top: 5px; left: 5px;
  height: calc(100% - 10px);
  width: calc(50% - 7px);
  background: linear-gradient(135deg, rgba(0,212,255,.14), rgba(0,150,255,.08));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xs);
  transition: transform .32s cubic-bezier(.34,1.56,.64,1);
  pointer-events: none;
  box-shadow: var(--glow);
}
#twm-calc .twm-tab-indicator.right { transform: translateX(calc(100% + 4px)); }
#twm-calc .twm-tab-btn {
  flex: 1; padding: 12px 10px;
  border: none; border-radius: var(--radius-xs);
  font-size: .9rem; font-weight: 700; cursor: pointer;
  transition: color .2s; background: transparent;
  color: var(--text-muted); font-family: inherit;
  position: relative; z-index: 1; letter-spacing: -.01em;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
#twm-calc .twm-tab-btn.active { color: var(--accent); }
#twm-calc .twm-tab-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Panels ─────────────────────────────────────────────────── */
#twm-calc .twm-panel { display: none; }
#twm-calc .twm-panel.active {
  display: block;
  animation: twm-fadein .22s ease forwards;
}

/* ── Desktop 2-col CPM layout ───────────────────────────────── */
@media (min-width: 900px) {
  #twm-calc .twm-cpm-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
  }
  #twm-calc .twm-cpm-right { position: sticky; top: 20px; }
}

/* ── Cards (glassmorphism) ──────────────────────────────────── */
#twm-calc .twm-card {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: border-color .2s;
}
#twm-calc .twm-card:hover { border-color: rgba(0,212,255,.12); }
#twm-calc .twm-card.twm-card-hi {
  border-color: var(--border-accent);
  box-shadow: var(--shadow), 0 0 0 1px rgba(0,212,255,.05);
}

#twm-calc .twm-card-title {
  appearance: none;
  -webkit-appearance: none;
  font-size: .67rem; font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .12em;
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: none;
  border: none;
  background: transparent !important;
  box-shadow: none !important;
  display: flex; align-items: center; gap: 7px;
  cursor: default;
  position: relative;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
#twm-calc .twm-card-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), rgba(129,140,248,.8), transparent 82%);
}
#twm-calc .twm-card-title-icon { font-size: .85rem; opacity: .65; }
#twm-calc .twm-ico {
  width: 16px;
  height: 16px;
  display: inline-block;
  color: currentColor;
  flex-shrink: 0;
}
#twm-calc .twm-card-title-icon .twm-ico {
  width: 15px;
  height: 15px;
  opacity: .8;
}

/* Hide inline icons for cleaner UI in WordPress themes */
#twm-calc .twm-tab-btn .twm-ico,
#twm-calc .twm-card-title-icon,
#twm-calc .twm-cpm-pill .twm-ico {
  display: none !important;
}
#twm-calc .twm-tab-btn { gap: 0; }

/* ── Grid helpers ───────────────────────────────────────────── */
#twm-calc .twm-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#twm-calc .twm-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 640px) {
  #twm-calc .twm-grid-2,
  #twm-calc .twm-grid-3 { grid-template-columns: 1fr; }
}

/* ── Form fields ─────────────────────────────────────────────── */
#twm-calc .twm-field { display: flex; flex-direction: column; gap: 6px; }
#twm-calc .twm-field label {
  font-size: .71rem; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .08em;
}
#twm-calc .twm-field input,
#twm-calc .twm-field select {
  padding: 12px 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem; font-family: inherit; font-weight: 600;
  width: 100%; min-height: 48px;
  transition: border-color .2s, box-shadow .2s, background .2s;
  appearance: none;
}
#twm-calc[data-theme="light"] .twm-field input,
#twm-calc[data-theme="light"] .twm-field select {
  background: rgba(255,255,255,.92);
}
#twm-calc .twm-field input::placeholder { color: var(--text-dim); }
#twm-calc .twm-field input:focus,
#twm-calc .twm-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 0 14px var(--accent-glow);
  background: rgba(0,212,255,.035);
}
#twm-calc .twm-hint {
  font-size: .72rem; color: var(--text-muted); line-height: 1.4;
}

/* ── Toggle group ───────────────────────────────────────────── */
#twm-calc .twm-toggle-group {
  display: flex;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden; min-height: 48px;
}
#twm-calc .twm-toggle-btn {
  flex: 1; padding: 10px 8px; border: none;
  background: transparent; font-size: .82rem; font-weight: 700;
  cursor: pointer; color: var(--text-muted);
  transition: all .2s; font-family: inherit;
}
#twm-calc .twm-toggle-btn + .twm-toggle-btn { border-left: 1px solid var(--border); }
#twm-calc .twm-toggle-btn.active {
  background: linear-gradient(135deg, rgba(0,212,255,.14), rgba(0,212,255,.07));
  color: var(--accent);
}
#twm-calc .twm-toggle-btn:hover:not(.active) { background: var(--surface-hover); color: var(--text); }

/* ── Expense rows ───────────────────────────────────────────── */
#twm-calc .twm-expense-row {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
#twm-calc .twm-expense-row:last-child { border-bottom: none; }
#twm-calc .twm-exp-label {
  flex: 1; font-size: .87rem; font-weight: 500; color: var(--text);
  min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#twm-calc .twm-exp-name-input {
  flex: 1; padding: 8px 10px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  color: var(--text); font-size: .84rem; font-family: inherit; font-weight: 500;
  min-height: 40px; min-width: 0;
  transition: border-color .2s, box-shadow .2s;
}
#twm-calc .twm-exp-name-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
#twm-calc .twm-amount-input {
  width: 108px; padding: 8px 10px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  color: var(--text); font-size: .92rem; font-weight: 700;
  text-align: right; font-family: inherit;
  min-height: 40px; flex-shrink: 0;
  transition: border-color .2s, box-shadow .2s;
}
#twm-calc .twm-amount-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
#twm-calc[data-theme="light"] .twm-exp-name-input,
#twm-calc[data-theme="light"] .twm-amount-input {
  background: rgba(255,255,255,.9);
}
/* F/V pill */
#twm-calc .twm-fv-btn {
  width: 31px; height: 31px; border-radius: var(--radius-xs);
  border: 1px solid var(--border); background: transparent;
  font-size: .64rem; font-weight: 900; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s;
  color: var(--text-muted); font-family: inherit; letter-spacing: .02em;
}
#twm-calc .twm-fv-btn.fixed    { background: rgba(59,130,246,.14); border-color: rgba(59,130,246,.38); color: #60a5fa; }
#twm-calc .twm-fv-btn.variable { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.38); color: var(--amber); }
#twm-calc .twm-fv-btn:hover { opacity: .72; }

#twm-calc .twm-remove-btn {
  width: 31px; height: 31px; border: 1px solid rgba(248,113,113,.22);
  background: rgba(248,113,113,.09); color: var(--danger);
  border-radius: var(--radius-xs); cursor: pointer;
  font-size: 1.1rem; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .15s;
}
#twm-calc .twm-remove-btn:hover { background: rgba(248,113,113,.2); }

/* Legend */
#twm-calc .twm-legend {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-size: .75rem; color: var(--text-muted);
  margin-bottom: 12px; align-items: center;
}
#twm-calc .twm-legend-dot {
  width: 11px; height: 11px; border-radius: 2px;
  display: inline-block; flex-shrink: 0; vertical-align: middle;
}

/* Add custom button */
#twm-calc .twm-add-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 16px;
  border: 1px dashed rgba(0,212,255,.24); border-radius: var(--radius-sm);
  background: transparent; color: var(--accent);
  font-size: .84rem; font-weight: 700; cursor: pointer;
  width: 100%; margin-top: 10px;
  transition: all .2s; font-family: inherit; opacity: .78;
}
#twm-calc .twm-add-btn:hover {
  border-color: var(--accent); background: var(--surface-active);
  opacity: 1; box-shadow: var(--glow);
}

/* ── Results grid ───────────────────────────────────────────── */
#twm-calc .twm-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(142px, 1fr));
  gap: 11px; margin-bottom: 4px;
}
#twm-calc .twm-result-card {
  padding: 15px 13px; border-radius: var(--radius-sm);
  text-align: center; border: 1px solid transparent;
  transition: transform .2s, box-shadow .2s;
}
#twm-calc .twm-result-card:hover { transform: translateY(-2px); }
#twm-calc .twm-result-card.accent {
  background: linear-gradient(135deg, rgba(0,212,255,.14), rgba(0,100,200,.09));
  border-color: rgba(0,212,255,.28); box-shadow: 0 0 22px rgba(0,212,255,.08);
  animation: twm-pulse-glow 3.5s ease infinite;
}
#twm-calc .twm-result-card.primary {
  background: linear-gradient(135deg, rgba(99,60,255,.14), rgba(0,120,255,.09));
  border-color: rgba(99,60,255,.24);
}
#twm-calc .twm-result-card.success {
  background: linear-gradient(135deg, rgba(16,185,129,.14), rgba(5,150,105,.09));
  border-color: rgba(16,185,129,.28); box-shadow: 0 0 18px rgba(16,185,129,.08);
}
#twm-calc .twm-result-card.danger {
  background: linear-gradient(135deg, rgba(248,113,113,.14), rgba(239,68,68,.09));
  border-color: rgba(248,113,113,.28); box-shadow: 0 0 18px rgba(248,113,113,.08);
}
#twm-calc .twm-result-card.amber {
  background: linear-gradient(135deg, rgba(245,158,11,.14), rgba(217,119,6,.09));
  border-color: rgba(245,158,11,.28);
}
#twm-calc .twm-result-card.neutral {
  background: var(--surface); border-color: var(--border);
}
#twm-calc .twm-result-label {
  font-size: .62rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-muted); margin-bottom: 7px;
}
#twm-calc .twm-result-card.accent  .twm-result-label { color: rgba(0,212,255,.72); }
#twm-calc .twm-result-card.success .twm-result-label { color: rgba(16,185,129,.72); }
#twm-calc .twm-result-card.danger  .twm-result-label { color: rgba(248,113,113,.72); }
#twm-calc .twm-result-value {
  font-size: 1.28rem; font-weight: 800;
  letter-spacing: -.02em; line-height: 1; color: var(--text);
}
#twm-calc .twm-result-card.accent  .twm-result-value { color: var(--accent); }
#twm-calc .twm-result-card.success .twm-result-value { color: var(--success); }
#twm-calc .twm-result-card.danger  .twm-result-value { color: var(--danger); }
#twm-calc .twm-result-card.amber   .twm-result-value { color: var(--amber); }

/* ── Divider ─────────────────────────────────────────────────── */
#twm-calc .twm-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ── Charts ─────────────────────────────────────────────────── */
#twm-calc .twm-charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
@media (max-width: 640px) { #twm-calc .twm-charts-grid { grid-template-columns: 1fr; } }
#twm-calc .twm-chart-box {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px;
}
#twm-calc .twm-chart-box h4 {
  font-size: .63rem; font-weight: 800; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px;
}
#twm-calc .twm-tutorial-card {
  min-height: 0;
}
#twm-calc .twm-tutorial-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  display: block;
  cursor: pointer;
}
#twm-calc .twm-tutorial-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
#twm-calc .twm-tutorial-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#twm-calc .twm-tutorial-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,12,24,.12) 0%, rgba(6,12,24,.55) 100%),
    radial-gradient(circle at center, rgba(0,212,255,.12) 0%, transparent 48%);
}
#twm-calc .twm-tutorial-play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 76px;
  height: 76px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: rgba(7,12,24,.76);
  border: 1px solid var(--border-accent);
  box-shadow: var(--glow);
}
#twm-calc .twm-tutorial-play::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 20px solid var(--accent);
}
#twm-calc .twm-tutorial-meta {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: grid;
  gap: 4px;
  text-align: left;
}
#twm-calc .twm-tutorial-meta strong {
  color: #fff;
  font-size: .96rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
#twm-calc .twm-tutorial-meta span {
  color: rgba(221,230,245,.82);
  font-size: .8rem;
}
#twm-calc .twm-tutorial-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}
#twm-calc .twm-tutorial-wrap:hover .twm-tutorial-play {
  transform: translate(-50%, -50%) scale(1.04);
}

/* ── CPM pill (Load tab header) ─────────────────────────────── */
#twm-calc .twm-cpm-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-active);
  border: 1px solid var(--border-accent);
  border-radius: 100px; padding: 7px 16px;
  font-size: .84rem; font-weight: 700; color: var(--accent);
  box-shadow: var(--glow);
}
#twm-calc .twm-cpm-pill .val { font-size: .98rem; font-weight: 800; }

/* ── Status badge ───────────────────────────────────────────── */
#twm-calc .twm-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: 100px;
  font-weight: 800; font-size: .87rem; letter-spacing: -.01em;
  border: 1px solid transparent;
}
#twm-calc .twm-badge.good  { background: rgba(16,185,129,.11); border-color: rgba(16,185,129,.3); color: var(--success); box-shadow: 0 0 14px rgba(16,185,129,.09); }
#twm-calc .twm-badge.risky { background: rgba(245,158,11,.11); border-color: rgba(245,158,11,.3); color: var(--amber); }
#twm-calc .twm-badge.bad   { background: rgba(248,113,113,.11); border-color: rgba(248,113,113,.3); color: var(--danger); }

#twm-calc .twm-verdict-top { display: flex; align-items: center; gap: 10px; justify-content: space-between; margin-bottom: 10px; }
#twm-calc .twm-badge-explain {
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  min-height: 1.1em;
}
#twm-calc .twm-why-toggle {
  border: none;
  background: transparent;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}
#twm-calc .twm-why-box {
  display: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 10px 12px;
  margin-bottom: 10px;
}
#twm-calc .twm-why-box.open { display: block; }
#twm-calc .twm-why-box p { font-size: .8rem; color: var(--text-muted); line-height: 1.45; }
#twm-calc .twm-verdict { font-size: .83rem; color: var(--text); margin-bottom: 8px; }
#twm-calc .twm-deadhead-note { font-size: .78rem; color: var(--amber); margin-bottom: 12px; min-height: 1.1em; }
#twm-calc .twm-mini-helper { font-size: .72rem; color: var(--text-muted); margin-top: 8px; }
#twm-calc .twm-result-helper {
  font-size: .72rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin-top: 7px;
}

/* ── FAQ accordion ─────────────────────────────────────────── */
#twm-calc .twm-faq-list {
  display: grid;
  gap: 6px;
}
#twm-calc .twm-faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: rgba(255,255,255,.02);
}
#twm-calc .twm-faq-q {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: .82rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
}
#twm-calc .twm-faq-plus {
  color: var(--accent);
  font-size: .95rem;
  line-height: 1;
}
#twm-calc .twm-faq-a {
  display: none;
  padding: 0 12px 10px;
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.45;
}
#twm-calc .twm-faq-a.open { display: block; }

/* ── Buttons ────────────────────────────────────────────────── */
#twm-calc .twm-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 18px; border-radius: var(--radius-sm);
  font-size: .87rem; font-weight: 700; cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s; font-family: inherit;
  text-decoration: none; line-height: 1;
  letter-spacing: -.01em; white-space: nowrap;
}
#twm-calc .twm-btn:active { transform: scale(.97); }
#twm-calc .twm-btn-primary {
  background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(0,150,255,.12));
  color: var(--accent); border-color: var(--border-accent);
}
#twm-calc .twm-btn-primary:hover { background: linear-gradient(135deg, rgba(0,212,255,.28), rgba(0,150,255,.18)); box-shadow: var(--glow); }
#twm-calc .twm-btn-accent {
  background: linear-gradient(135deg, rgba(245,158,11,.18), rgba(217,119,6,.12));
  color: var(--amber); border-color: rgba(245,158,11,.35);
}
#twm-calc .twm-btn-accent:hover { background: linear-gradient(135deg, rgba(245,158,11,.28), rgba(217,119,6,.2)); box-shadow: 0 0 18px var(--amber-glow); }
#twm-calc .twm-btn-outline { background: var(--surface); color: var(--text-muted); border-color: var(--border); }
#twm-calc .twm-btn-outline:hover { border-color: var(--accent); color: var(--accent); }
#twm-calc .twm-btn-ghost { background: transparent; color: var(--text-muted); border-color: transparent; padding: 8px 12px; }
#twm-calc .twm-btn-ghost:hover { background: var(--surface-hover); color: var(--text); }
#twm-calc .twm-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Export dropdown ─────────────────────────────────────────── */
#twm-calc .twm-export-wrap { position: relative; }
#twm-calc .twm-export-menu {
  display: none; position: absolute;
  bottom: calc(100% + 8px); right: 0;
  min-width: 200px;
  background: #0b1525;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow), var(--glow);
  z-index: 200; overflow: hidden;
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
}
#twm-calc[data-theme="light"] .twm-export-menu { background: #fff; border-color: var(--border-accent); }
#twm-calc .twm-export-menu.open { display: block; }
#twm-calc .twm-export-menu button {
  display: flex; align-items: center; gap: 9px;
  width: 100%; padding: 13px 16px;
  border: none; background: transparent;
  color: var(--text); font-size: .87rem; font-weight: 600;
  cursor: pointer; font-family: inherit; text-align: left;
  transition: background .14s;
  border-bottom: 1px solid var(--border);
}
#twm-calc .twm-export-menu button:last-child { border-bottom: none; }
#twm-calc .twm-export-menu button:hover { background: var(--surface-active); color: var(--accent); }

/* ── Action bar ─────────────────────────────────────────────── */
#twm-calc .twm-action-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
#twm-calc .twm-save-row {
  display: flex; align-items: center; gap: 7px;
  font-size: .82rem; color: var(--text-muted); cursor: pointer; font-weight: 600;
}
#twm-calc .twm-save-row input[type=checkbox] {
  width: 16px; height: 16px; min-height: auto;
  border: none; padding: 0; box-shadow: none;
  accent-color: var(--accent); cursor: pointer; flex-shrink: 0;
}
#twm-calc .twm-spacer { flex: 1; }

/* ── Mobile accordion ───────────────────────────────────────── */
#twm-calc .twm-card-title.twm-acc-trigger { cursor: pointer; user-select: none; }
#twm-calc .twm-acc-arrow {
  font-size: .72rem; color: var(--text-muted);
  transition: transform .3s; flex-shrink: 0; margin-left: auto;
}
#twm-calc .twm-card-title.twm-acc-trigger.open .twm-acc-arrow { transform: rotate(180deg); }
#twm-calc .twm-acc-body {
  overflow: hidden; max-height: 0;
  transition: max-height .35s ease, opacity .28s ease;
  opacity: 0;
}
#twm-calc .twm-acc-body.open { max-height: 3000px; opacity: 1; }
/* Always expanded on desktop */
@media (min-width: 900px) {
  #twm-calc .twm-acc-arrow { display: none; }
  #twm-calc .twm-acc-body { max-height: none !important; opacity: 1 !important; overflow: visible; }
}

/* ── Sticky mobile action bar ───────────────────────────────── */
#twm-calc .twm-sticky-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 120;
  background: rgba(7,12,24,.97);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border);
  padding: 10px 14px; gap: 8px; align-items: center;
}
#twm-calc[data-theme="light"] .twm-sticky-bar { background: rgba(234,240,250,.97); }
@media (max-width: 640px) {
  #twm-calc .twm-sticky-bar { display: flex; }
  #twm-calc .twm-sticky-bar .twm-btn { padding: 9px 12px; font-size: .8rem; }
  #twm-calc .twm-sticky-bar .twm-save-row { font-size: .76rem; }
  #twm-calc .twm-action-card { display: none; }
}

#twm-calc .twm-support-line {
  text-align: center;
  font-size: .84rem;
  color: var(--text-muted);
  padding: 10px 6px 2px;
}
#twm-calc .twm-support-line a {
  color: var(--accent);
  text-decoration: none;
}
#twm-calc .twm-support-line a:hover { text-decoration: underline; }

/* ── Toast ───────────────────────────────────────────────────── */
#twm-calc .twm-toast {
  position: fixed; bottom: 76px; left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: rgba(0,212,255,.12);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  padding: 9px 22px; border-radius: 100px;
  font-size: .84rem; font-weight: 700;
  opacity: 0; pointer-events: none;
  transition: opacity .24s, transform .24s;
  backdrop-filter: blur(20px);
  z-index: 9999; white-space: nowrap;
}
#twm-calc .twm-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Empty state ─────────────────────────────────────────────── */
#twm-calc .twm-empty {
  text-align: center; padding: 24px 16px;
  color: var(--text-muted); font-size: .84rem; font-style: italic;
}

/* ── Print ───────────────────────────────────────────────────── */
@media print {
  #twm-calc {
    background: #fff !important; color: #111 !important;
    padding: 0 !important; max-width: 100% !important;
    background-image: none !important;
  }
  #twm-calc * { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; box-shadow: none !important; }
  #twm-calc .twm-card { background: #f7f7f7 !important; border: 1px solid #ccc !important; break-inside: avoid; }
  #twm-calc .twm-result-card { background: #f0f0f0 !important; border: 1px solid #bbb !important; }
  #twm-calc .twm-result-label { color: #555 !important; }
  #twm-calc .twm-result-value { color: #111 !important; font-size: 1.1rem !important; }
  #twm-calc .twm-header h1 { -webkit-text-fill-color: #111 !important; color: #111 !important; }
  #twm-calc .twm-tabs,
  #twm-calc .twm-panel:not(.active),
  #twm-calc .twm-sticky-bar,
  #twm-calc .twm-theme-toggle,
  #twm-calc .twm-action-bar,
  #twm-calc .twm-action-card,
  #twm-calc .twm-add-btn,
  #twm-calc .twm-fv-btn,
  #twm-calc .twm-remove-btn,
  #twm-calc .twm-export-wrap,
  #twm-calc .twm-toast { display: none !important; }
  #twm-calc .twm-panel.active { display: block !important; }
  #twm-calc .twm-acc-body { max-height: none !important; opacity: 1 !important; }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  #twm-calc { padding: 16px 12px 84px; }
  #twm-calc .twm-header { padding: 24px 44px 20px; }
  #twm-calc .twm-card { padding: 16px 13px; }
  #twm-calc .twm-results-grid { grid-template-columns: 1fr 1fr; }
  #twm-calc .twm-result-value { font-size: 1.05rem; }
  #twm-calc .twm-amount-input { width: 90px; font-size: .86rem; }
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes twm-fadein {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes twm-pulse-glow {
  0%, 100% { box-shadow: 0 0 14px rgba(0,212,255,.08); }
  50%       { box-shadow: 0 0 28px rgba(0,212,255,.22); }
}

@media (prefers-reduced-motion: reduce) {
  #twm-calc * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}