/*
 * TBSJ DCA Calculator — Stylesheet
 * Minimal overrides. Base typography, spacing, and button styles
 * inherit from the Public Opinion (Ignition) theme.
 */

/* ── Custom properties ─────────────────────────────────────── */
:root {
  --dca-orange:       #F7931A;
  --dca-orange-dim:   #F7931A22;
  --dca-green:        #16a34a;
  --dca-red:          #dc2626;
  --dca-border:       rgba(0, 0, 0, 0.1);
  --dca-bg-card:      rgba(0, 0, 0, 0.03);
  --dca-radius:       8px;
  --dca-radius-lg:    12px;
}

/* ── Wrapper ───────────────────────────────────────────────── */
.tbsj-dca-wrap {
  margin: 0 auto;
  max-width: 780px;
  font-size: 1rem;
}

/* ── Section label ─────────────────────────────────────────── */
.tbsj-dca-section-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.45;
  margin: 0 0 0.6em;
}

/* ── Sections ──────────────────────────────────────────────── */
.tbsj-dca-section {
  margin-bottom: 1.75rem;
}

/* ── Notices ───────────────────────────────────────────────── */
.tbsj-dca-notice {
  padding: 0.75rem 1rem;
  border-radius: var(--dca-radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.tbsj-dca-notice--error {
  background: #fef2f2;
  color: var(--dca-red);
  border: 1px solid #fecaca;
}
.tbsj-dca-notice a { color: inherit; font-weight: 600; }

/* ── Preset buttons ────────────────────────────────────────── */
.tbsj-dca-presets { margin-bottom: 1.5rem; }

.tbsj-dca-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tbsj-dca-preset-btn {
  padding: 0.35em 0.85em;
  border-radius: 2em;
  border: 1px solid var(--dca-border);
  background: var(--dca-bg-card);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  font-family: inherit;
  line-height: 1.4;
}
.tbsj-dca-preset-btn:hover,
.tbsj-dca-preset-btn.is-active {
  border-color: var(--dca-orange);
  color: var(--dca-orange);
  background: var(--dca-orange-dim);
}

/* ── Form ──────────────────────────────────────────────────── */
.tbsj-dca-form-section {
  background: var(--dca-bg-card);
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius-lg);
  padding: 1.5rem;
}

.tbsj-dca-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (max-width: 520px) {
  .tbsj-dca-form-grid { grid-template-columns: 1fr; }
}

.tbsj-dca-field { margin-bottom: 1.25rem; }
.tbsj-dca-form-grid .tbsj-dca-field { margin-bottom: 0; }

.tbsj-dca-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 0.4em;
}

.tbsj-dca-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.55em 0.75em;
  border-radius: var(--dca-radius);
  border: 1px solid var(--dca-border);
  background: transparent;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s;
  color: inherit;
}
.tbsj-dca-input:focus {
  outline: none;
  border-color: var(--dca-orange);
  box-shadow: 0 0 0 2px var(--dca-orange-dim);
}
/* date input dark mode */
.tbsj-dca-input[type="date"] { color-scheme: light dark; }

.tbsj-dca-input-prefix-wrap { position: relative; }
.tbsj-dca-prefix {
  position: absolute;
  left: 0.75em;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.4;
  pointer-events: none;
  font-size: 0.95rem;
}
.tbsj-dca-input--prefixed { padding-left: 1.6em; }

/* ── Frequency toggle ──────────────────────────────────────── */
.tbsj-dca-freq-group {
  display: flex;
  gap: 0.375rem;
  border-radius: var(--dca-radius);
  overflow: hidden;
}

.tbsj-dca-freq-btn {
  flex: 1;
  padding: 0.5em 0;
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius);
  background: transparent;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  color: inherit;
  opacity: 0.55;
}
.tbsj-dca-freq-btn:hover {
  opacity: 0.85;
  border-color: var(--dca-orange);
}
.tbsj-dca-freq-btn.is-active {
  background: var(--dca-orange);
  border-color: var(--dca-orange);
  color: #fff;
  opacity: 1;
  font-weight: 600;
}

/* ── Submit button ─────────────────────────────────────────── */
.tbsj-dca-submit-btn {
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.8em 1.5em;
  background: var(--dca-orange);
  color: #fff;
  border: none;
  border-radius: var(--dca-radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  position: relative;
  overflow: hidden;
}
.tbsj-dca-submit-btn:hover   { opacity: 0.9; }
.tbsj-dca-submit-btn:active  { transform: scale(0.99); }
.tbsj-dca-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.tbsj-dca-submit-loading { display: none; }
.tbsj-dca-submit-btn.is-loading .tbsj-dca-submit-label  { display: none; }
.tbsj-dca-submit-btn.is-loading .tbsj-dca-submit-loading { display: inline; }

/* Spinner */
.tbsj-dca-spinner {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: tbsj-spin 0.65s linear infinite;
  vertical-align: middle;
  margin-right: 0.3em;
}
@keyframes tbsj-spin { to { transform: rotate(360deg); } }

/* ── Results area ──────────────────────────────────────────── */
.tbsj-dca-results {
  margin-top: 2rem;
  animation: tbsj-fade-up 0.4s ease both;
}
@keyframes tbsj-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── ROI Hero ──────────────────────────────────────────────── */
.tbsj-dca-roi-hero {
  text-align: center;
  padding: 2.5rem 1rem 2rem;
  background: var(--dca-bg-card);
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius-lg);
  margin-bottom: 1rem;
}

.tbsj-dca-roi-scenario {
  font-size: 0.8rem;
  opacity: 0.45;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
}

.tbsj-dca-roi-number {
  font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--dca-orange);
  margin-bottom: 0.2rem;
}
.tbsj-dca-roi-number.is-profit { color: var(--dca-green); }
.tbsj-dca-roi-number.is-loss   { color: var(--dca-red);   }

.tbsj-dca-roi-profit {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.tbsj-dca-roi-profit.is-profit { color: var(--dca-green); }
.tbsj-dca-roi-profit.is-loss   { color: var(--dca-red);   }

.tbsj-dca-roi-sub {
  font-size: 0.875rem;
  opacity: 0.5;
  margin: 0;
}

/* ── Stat Grid ─────────────────────────────────────────────── */
.tbsj-dca-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.625rem;
  margin-bottom: 1rem;
}
@media (max-width: 520px) {
  .tbsj-dca-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.tbsj-dca-stat {
  background: var(--dca-bg-card);
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tbsj-dca-stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.4;
  display: block;
}

.tbsj-dca-stat-value {
  font-size: 1rem;
  font-weight: 700;
  display: block;
  word-break: break-all;
}
.tbsj-dca-stat-value--accent { color: var(--dca-green); }
.tbsj-dca-stat-value--accent.is-loss { color: var(--dca-red); }
.tbsj-dca-stat-value--btc    { color: var(--dca-orange); }

/* ── Chart ─────────────────────────────────────────────────── */
.tbsj-dca-chart-section {
  background: var(--dca-bg-card);
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius-lg);
  padding: 1.25rem 1.25rem 1rem;
  margin-bottom: 1rem;
}

.tbsj-dca-chart-wrap {
  position: relative;
  width: 100%;
}

.tbsj-dca-chart-legend {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin-top: 0.75rem;
}

.tbsj-dca-legend-item {
  font-size: 0.75rem;
  opacity: 0.55;
  padding-left: 1.25em;
  position: relative;
}
.tbsj-dca-legend-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 0.85em; height: 2px;
  border-radius: 1px;
}
.tbsj-dca-legend-item--value::before    { background: var(--dca-orange); }
.tbsj-dca-legend-item--invested::before { background: currentColor; opacity: 0.3; }

/* ── Share ─────────────────────────────────────────────────── */
.tbsj-dca-share-section {
  background: var(--dca-bg-card);
  border: 1px solid var(--dca-border);
  border-radius: var(--dca-radius-lg);
  padding: 1.25rem;
}

.tbsj-dca-share-text {
  background: rgba(0,0,0,0.04);
  border-radius: var(--dca-radius);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  line-height: 1.7;
  white-space: pre-wrap;
  font-family: monospace;
  margin: 0 0 1rem;
  opacity: 0.7;
  border: none;
  overflow: auto;
}

.tbsj-dca-share-btns {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* These use theme button classes where possible, but we provide fallbacks */
.tbsj-dca-share-copy,
.tbsj-dca-share-twitter {
  padding: 0.5em 1.1em;
  border-radius: var(--dca-radius);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  border: 1px solid var(--dca-border);
  background: var(--dca-bg-card);
}
.tbsj-dca-share-copy:hover,
.tbsj-dca-share-twitter:hover { opacity: 0.7; }

.tbsj-dca-share-twitter {
  background: #000;
  color: #fff;
  border-color: #000;
}