/* ============================================================
   Calculator — dark theme reskin.
   Class names preserved from the original cream-paper version so
   calculator.js (untouched) continues to render correctly. Color
   vars remapped: --paper (was cream) → dark bg; --ink → light text;
   --ember (was rust) → purple; --moss → blue accent.
   ============================================================ */

:root {
  --paper: #08080f;
  --paper-edge: #0d0d1a;
  --ink: #f0f0ff;
  --ink-soft: #a8a8c8;
  --ember: #8b5cf6;
  --ember-soft: #a78bfa;
  --moss: #3b82f6;
  --grad-acc: linear-gradient(135deg, #8b5cf6, #3b82f6);
}

body {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}

/* Display type — keep classes; render with Space Grotesk weight + tight tracking
   so JS-injected H1/H2 using .font-display still feels stylish on dark. */
.font-display {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.font-display-italic {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-style: italic;
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember);
}

/* Progress dots */
.dot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.13);
  color: var(--ink-soft);
  background: #16162a;
  font-size: 11px; letter-spacing: 0.06em;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.dot-active {
  background: var(--grad-acc); color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px -6px rgba(139,92,246,0.55);
}
.dot-done {
  background: var(--ember); color: #fff;
  border-color: var(--ember);
}
.dot-rule {
  width: 32px; height: 1px;
  background: rgba(255,255,255,0.13);
}

/* Cards */
.card-base {
  background: #0d0d1a;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 18px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 12px 28px -22px rgba(0,0,0,0.6);
}
.card-elevated {
  background: linear-gradient(180deg, #0d0d1a, #12121f);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding: 28px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 2px 6px rgba(0,0,0,0.35),
    0 28px 60px -28px rgba(0,0,0,0.55),
    0 8px 22px -10px rgba(139,92,246,0.18);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  border-radius: 10px;
  padding: .85rem 1.25rem;
  font-family: inherit;
  font-weight: 600; letter-spacing: -0.005em;
  border: none;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), background-color .25s ease, color .25s ease, box-shadow .25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--grad-acc);
  color: #fff;
  box-shadow: 0 8px 22px -6px rgba(139,92,246,0.55),
              inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -6px rgba(139,92,246,0.7),
              inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-ember {
  background: var(--ember); color: #fff;
  box-shadow: 0 6px 18px -8px rgba(139,92,246,0.55);
}
.btn-ember:hover {
  transform: translateY(-1px);
  background: var(--ember-soft);
}
.btn-ghost {
  color: var(--ink);
  background: #16162a;
  border: 1px solid rgba(255,255,255,0.13);
}
.btn-ghost:hover {
  background: #12121f;
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}

/* Task picker tiles */
.task-tile {
  position: relative;
  border: 1px solid rgba(255,255,255,0.08);
  background: #12121f;
  color: var(--ink);
  border-radius: 14px;
  padding: 18px 16px;
  text-align: left; cursor: pointer;
  font-family: inherit;
  transition: transform .25s ease, border-color .25s ease, background-color .25s ease, box-shadow .25s ease;
}
.task-tile:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.18);
  background: #16162a;
}
.task-tile[aria-pressed="true"] {
  background: var(--grad-acc);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 24px -8px rgba(139,92,246,0.55);
}
.task-tile[aria-pressed="true"] .task-tile-label,
.task-tile[aria-pressed="true"] .task-tile-meta {
  color: #fff;
}
.task-tile-label { font-weight: 500; font-size: 15px; color: var(--ink); }
.task-tile-meta {
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 8px; color: var(--ink-soft);
  opacity: 0.85;
}

/* Slider */
.range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: rgba(255,255,255,0.12);
  border-radius: 2px;
  outline: none;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px;
  background: var(--ember); border-radius: 9999px;
  border: 2px solid #0d0d1a;
  box-shadow: 0 2px 10px rgba(139,92,246,0.55);
  cursor: pointer;
  transition: transform .15s ease;
}
.range::-webkit-slider-thumb:hover { transform: scale(1.1); }
.range::-moz-range-thumb {
  width: 22px; height: 22px;
  background: var(--ember); border-radius: 9999px;
  border: 2px solid #0d0d1a;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(139,92,246,0.55);
}

/* Form inputs (used inside email-unlock step etc) */
input[type="text"], input[type="email"], input[type="tel"], textarea {
  background: #12121f;
  color: var(--ink);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, textarea:focus {
  border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}
input::placeholder, textarea::placeholder { color: var(--ink-soft); opacity: 0.7; }
label { color: var(--ink-soft); font-size: 13px; font-weight: 500; }

/* Teaser blur effect (kept) */
.teaser-blur {
  filter: blur(10px);
  user-select: none;
  pointer-events: none;
}

/* Reveal animation */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; animation: fade-up .8s cubic-bezier(.2,.8,.2,1) forwards; }
.d-1 { animation-delay: 0.05s; }
.d-2 { animation-delay: 0.18s; }
.d-3 { animation-delay: 0.32s; }