/* SEO ROI Calculator - calculator.css v1.0 */

.src-wrapper {
  --src-bg: #f7f7f5;
  --src-surface: #ffffff;
  --src-surface2: #f2f2f0;
  --src-border: #e0e0dc;
  --src-accent: #be0b31;
  --src-accent-light: rgba(190,11,49,0.08);
  --src-accent-dark: #960926;
  --src-text: #111111;
  --src-muted: #888884;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  color: var(--src-text);
  background: var(--src-bg);
  padding: 48px 24px 64px;
  box-sizing: border-box;
}
.src-wrapper *, .src-wrapper *::before, .src-wrapper *::after {
  box-sizing: border-box;
}

/* ── HEADER ── */
.src-header { margin-bottom: 40px; }
.src-header-tag {
  display: inline-flex;
  align-items: center;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--src-accent);
  background: var(--src-accent-light);
  padding: 5px 12px;
  border-left: 3px solid var(--src-accent);
  margin-bottom: 16px;
}
.src-wrapper .src-title,
.src-wrapper h2.src-title {
  font-family: 'DM Sans', sans-serif !important;
  font-size: clamp(36px, 7vw, 76px) !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  letter-spacing: -0.03em !important;
  color: var(--src-text) !important;
  margin: 0 0 12px 0 !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  text-transform: none !important;
  text-shadow: none !important;
}
.src-wrapper .src-title span,
.src-wrapper h2.src-title span {
  color: var(--src-accent) !important;
  display: block !important;
}
.src-header-sub {
  color: var(--src-muted);
  font-size: 14px;
  max-width: 420px;
  line-height: 1.6;
  margin: 0;
}

/* ── TWO COLUMN LAYOUT ── */
.src-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  align-items: start;
}
@media (max-width: 720px) {
  .src-layout { grid-template-columns: 1fr; }
}

/* ── INPUT SIDE ── */
.src-inputs {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ── CARDS ── */
.src-card {
  background: var(--src-surface);
  padding: 22px 24px;
  border: 1px solid var(--src-border);
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.src-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--src-accent);
  transition: height 0.3s ease;
}
.src-card:hover::before { height: 100%; }

.src-card-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--src-muted);
  margin-bottom: 10px;
}
.src-card-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--src-border);
}
.src-wrapper .src-card-title {
  font-size: 14px !important;
  font-weight: 500 !important;
  color: var(--src-text) !important;
  margin: 0 0 12px 0 !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
  font-family: 'DM Sans', sans-serif !important;
}

/* ── INPUT FIELD ── */
.src-field {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--src-border);
  background: var(--src-surface2);
  transition: border-color 0.15s;
}
.src-field:focus-within {
  border-color: var(--src-accent);
  background: #fff;
}
.src-icon {
  padding: 0 12px;
  font-size: 14px;
  color: var(--src-muted);
  border-right: 1px solid var(--src-border);
  height: 44px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  min-width: 42px;
  justify-content: center;
}
.src-wrapper input[type="number"] {
  width: 100% !important;
  height: 44px !important;
  padding: 0 14px !important;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  color: var(--src-text) !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  -moz-appearance: textfield !important;
}
.src-wrapper input[type="number"]::-webkit-inner-spin-button,
.src-wrapper input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}
.src-hint {
  font-size: 11px;
  color: var(--src-muted);
  margin: 8px 0 0 0;
  line-height: 1.5;
}

/* ── TIME FRAME BUTTONS ── */
.src-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.src-wrapper .src-btn-opt {
  padding: 8px 16px;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 12px !important;
  font-weight: 400 !important;
  background: var(--src-surface2) !important;
  border: 1px solid var(--src-border) !important;
  color: var(--src-muted) !important;
  cursor: pointer;
  border-radius: 0 !important;
  transition: all 0.15s ease;
  line-height: 1.4;
  box-shadow: none !important;
}
.src-wrapper .src-btn-opt:hover {
  border-color: #bbb !important;
  color: var(--src-text) !important;
  background: #ebebea !important;
}
.src-wrapper .src-btn-opt.active {
  background: var(--src-accent) !important;
  border-color: var(--src-accent) !important;
  color: #fff !important;
  font-weight: 500 !important;
}

/* ── CALCULATE BUTTON ── */
.src-wrapper .src-calc-btn {
  width: 100%;
  padding: 16px;
  background: var(--src-accent) !important;
  color: #fff !important;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none !important;
  cursor: pointer;
  border-radius: 0 !important;
  transition: all 0.15s ease;
  margin-top: 2px;
  box-shadow: none !important;
}
.src-wrapper .src-calc-btn:hover {
  background: var(--src-accent-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(190,11,49,0.25) !important;
}

/* ── RESULTS SIDE ── */
.src-results {
  background: var(--src-surface);
  border: 1px solid var(--src-border);
  min-height: 400px;
  position: sticky;
  top: 110px;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

/* Empty state */
.src-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 400px;
  gap: 16px;
  color: var(--src-muted);
}
.src-empty-icon {
  font-size: 48px;
  opacity: 0.2;
}
.src-empty p {
  font-size: 14px;
  margin: 0;
}

/* ── RESULT CARDS ── */
.src-result-cards {
  padding: 28px;
}

/* Big ROI number */
.src-result-main {
  text-align: center;
  padding: 28px 20px;
  background: var(--src-accent-light);
  border: 1px solid rgba(190,11,49,0.15);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.src-result-main::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--src-accent);
}
.src-result-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--src-muted);
  margin-bottom: 8px;
}
.src-result-big {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--src-accent);
}
.src-result-sub {
  font-size: 13px;
  color: var(--src-muted);
  margin-top: 8px;
}

/* Metrics grid */
.src-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 16px;
}
.src-metric-card {
  background: var(--src-surface2);
  padding: 14px 16px;
  border: 1px solid var(--src-border);
  border-left: 2px solid transparent;
  transition: border-left-color 0.2s;
}
.src-metric-card:hover { border-left-color: var(--src-accent); }
.src-metric-label {
  font-size: 10px;
  color: var(--src-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-family: 'DM Mono', monospace;
}
.src-metric-value {
  font-family: 'DM Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  color: var(--src-text);
}
.src-metric-value.accent { color: var(--src-accent); }

/* Breakdown */
.src-breakdown { margin-bottom: 16px; }
.src-breakdown-title {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--src-muted);
  margin-bottom: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--src-border);
}
.src-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}
.src-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--src-surface2);
  font-size: 12px;
  border-left: 2px solid transparent;
  transition: border-color 0.15s;
}
.src-breakdown-row:hover { border-left-color: var(--src-accent); }
.src-breakdown-row .src-br-month { color: var(--src-muted); font-family: 'DM Mono', monospace; }
.src-breakdown-row .src-br-rev   { color: var(--src-text); font-family: 'DM Mono', monospace; font-weight: 500; }
.src-breakdown-row .src-br-roi   { color: var(--src-accent); font-family: 'DM Mono', monospace; font-weight: 500; }

/* Copy button */
.src-wrapper .src-copy-btn {
  width: 100%;
  padding: 13px;
  background: transparent !important;
  color: var(--src-accent) !important;
  font-family: 'DM Sans', sans-serif !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--src-accent) !important;
  cursor: pointer;
  border-radius: 0 !important;
  transition: all 0.15s ease;
  box-shadow: none !important;
}
.src-wrapper .src-copy-btn:hover {
  background: var(--src-accent) !important;
  color: #fff !important;
}

/* Disclaimer */
.src-disclaimer {
  margin-top: 16px;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--src-muted);
  line-height: 1.6;
  background: var(--src-accent-light);
  border: 1px solid var(--src-border);
  border-left: 3px solid var(--src-accent);
}

/* Animations */
@keyframes srcFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.src-result-cards { animation: srcFadeIn 0.3s ease; }

@media (max-width: 480px) {
  .src-wrapper { padding: 32px 16px 48px; }
  .src-metrics-grid { grid-template-columns: 1fr; }
  .src-result-cards { padding: 20px 16px; }
}