/* public/css/app.css */

/* ── Base Reset ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }

/* ── Number Input: hide spinners ────────────────────────── */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

/* ── Card hover effect ──────────────────────────────────── */
.card-hover { transition: transform 0.15s ease, box-shadow 0.15s ease; }
.card-hover:active { transform: scale(0.98); }

/* ── Radio card active state ────────────────────────────── */
.radio-card input:checked + div { border-color: #1a56db; background: #1a56db; color: white; }

/* ── Animations ─────────────────────────────────────────── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

#results-section { animation: slideUp 0.35s ease forwards; }
#result-card     { animation: fadeIn 0.4s ease forwards; }

/* ── Loading spinner ────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
.animate-spin { animation: spin 0.8s linear infinite; }

/* ── Bottom nav active indicator ───────────────────────── */
nav a.active, nav a[aria-current="page"] { color: #1a56db; }
nav a svg { transition: transform 0.15s; }
nav a:active svg { transform: scale(0.85); }

/* ── Toast ──────────────────────────────────────────────── */
#toast {
  transition: opacity 0.3s ease;
  pointer-events: none;
}
#toast.hidden { opacity: 0; pointer-events: none; }

/* ── Safe area padding for iOS ──────────────────────────── */
nav {
  padding-bottom: env(safe-area-inset-bottom, 0);
}
#app { padding-bottom: env(safe-area-inset-bottom, 0); }

/* ── Font mono for currency ─────────────────────────────── */
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* ── Print styles ───────────────────────────────────────── */
@media print {
  header, nav, #pwa-banner, #calc-btn, .sticky { display: none !important; }
  #results-section { display: block !important; }
  body { background: white; }
}

/* ── Unified result UI ───────────────────────────────────── */
.calc-result-shell {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.calc-result-hero {
  position: relative;
  border-radius: 1rem;
  padding: 1rem 1rem 1.1rem;
  color: #f0fdf4;
  background: linear-gradient(135deg, #1f9d4d 0%, #15803d 55%, #166534 100%);
  overflow: hidden;
}

.calc-result-hero::before,
.calc-result-hero::after {
  content: '';
  position: absolute;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.calc-result-hero::before {
  width: 10rem;
  height: 10rem;
  left: -3.5rem;
  bottom: -4.5rem;
}

.calc-result-hero::after {
  width: 12rem;
  height: 12rem;
  right: -5rem;
  top: -6.5rem;
}

.calc-result-kicker {
  position: relative;
  z-index: 1;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.95;
  text-align: center;
}

.calc-result-value {
  position: relative;
  z-index: 1;
  margin-top: 0.3rem;
  text-align: center;
  color: #ffffff;
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1.05;
  font-weight: 900;
  font-family: 'JetBrains Mono', monospace;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.calc-result-subtitle {
  position: relative;
  z-index: 1;
  margin-top: 0.45rem;
  text-align: center;
  font-size: 0.95rem;
  font-style: italic;
  font-weight: 600;
  color: #dcfce7;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.calc-result-words {
  position: relative;
  z-index: 1;
  margin-top: 0.4rem;
  text-align: center;
  font-size: 0.72rem;
  line-height: 1.35;
  color: #bbf7d0;
  text-transform: capitalize;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.calc-result-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 0.85rem;
}

.calc-result-metric {
  border: 1px solid #e5e7eb;
  border-radius: 0.85rem;
  background: #f8fafc;
  padding: 0.65rem 0.75rem;
}

/* Subtle color variation per metric for easier scanning */
.calc-result-metrics .calc-result-metric:nth-child(6n + 1) {
  background: #f0f9ff;
  border-color: #dbeafe;
}

.calc-result-metrics .calc-result-metric:nth-child(6n + 2) {
  background: #f0fdf4;
  border-color: #dcfce7;
}

.calc-result-metrics .calc-result-metric:nth-child(6n + 3) {
  background: #fff7ed;
  border-color: #ffedd5;
}

.calc-result-metrics .calc-result-metric:nth-child(6n + 4) {
  background: #fdf4ff;
  border-color: #f5d0fe;
}

.calc-result-metrics .calc-result-metric:nth-child(6n + 5) {
  background: #ecfeff;
  border-color: #cffafe;
}

.calc-result-metrics .calc-result-metric:nth-child(6n + 6) {
  background: #fefce8;
  border-color: #fef9c3;
}

.calc-result-metric-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
}

.calc-result-metric-value {
  margin-top: 0.15rem;
  font-size: 0.95rem;
  font-weight: 800;
  color: #0f172a;
  font-family: 'JetBrains Mono', monospace;
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: normal;
  line-height: 1.35;
}

.calc-result-metric-words {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #64748b;
  text-transform: capitalize;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ── Dynamic slider field ────────────────────────────────── */
.calc-range-shell {
  border: 1px solid #e2e8f0;
  border-radius: 0.85rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  padding: 0.7rem 0.8rem 0.8rem;
}

.calc-range-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.calc-range-limit {
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748b;
}

.calc-range-value {
  font-size: 0.78rem;
  font-weight: 800;
  color: #1e40af;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 9999px;
  padding: 0.1rem 0.55rem;
  white-space: nowrap;
  overflow-wrap: anywhere;
}

.calc-range-words {
  font-size: 0.68rem;
  color: #64748b;
  text-transform: capitalize;
  text-align: left;
  margin-top: 0.35rem;
  min-height: 1.05rem;
  overflow-wrap: anywhere;
}

.calc-range-input {
  width: 100%;
  height: 1.1rem;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.calc-range-input::-webkit-slider-runnable-track {
  height: 0.45rem;
  border-radius: 9999px;
  background: linear-gradient(90deg, #93c5fd 0%, #3b82f6 100%);
}

.calc-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  margin-top: -0.28rem;
  background: #ffffff;
  border: 2px solid #2563eb;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.25);
}

.calc-range-input::-moz-range-track {
  height: 0.45rem;
  border-radius: 9999px;
  background: linear-gradient(90deg, #93c5fd 0%, #3b82f6 100%);
}

.calc-range-input::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: #ffffff;
  border: 2px solid #2563eb;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.25);
}

@media (min-width: 640px) {
  .calc-result-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}