/* ── cashflow-kennzahlen.css ── */

.ckr-body {
  align-items: start;
  padding-top: 44px;
  padding-bottom: 72px;
}

.ckr-page {
  width: min(1080px, 100%);
  display: grid;
  gap: 56px;
}

/* ─── Intro ─── */

.ckr-intro {
  display: grid;
  gap: 12px;
}

.ckr-h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 2.75rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--cfm-ink);
  text-wrap: balance;
}

/* ─── Group sections ─── */

.ckr-group {
  display: grid;
  gap: 18px;
}

.ckr-group[data-group="anlage"] { --ckr-accent: #2b6d93; --ckr-accent-pale: #e8f2f9; --ckr-accent-mid: #c4dcee; }
.ckr-group[data-group="umsatz"] { --ckr-accent: #257557; --ckr-accent-pale: #e6f4ec; --ckr-accent-mid: #b8d9c7; }
.ckr-group[data-group="finanz"] { --ckr-accent: #76558d; --ckr-accent-pale: #f0eaf6; --ckr-accent-mid: #d2bde2; }

.ckr-group-head {
  display: grid;
  gap: 5px;
}

.ckr-group-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ckr-accent);
}

.ckr-group-label::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 3px;
  border-radius: 2px;
  background: currentColor;
  flex-shrink: 0;
}

.ckr-group-desc {
  margin: 0;
  color: var(--cfm-muted);
  font-size: 0.93rem;
  line-height: 1.55;
}

/* ─── Card grid ─── */

.ckr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}

.ckr-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ─── Card ─── */

.ckr-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 20px 20px 18px;
  border: 1px solid #cdd6d8;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 1px 5px rgba(16, 30, 42, 0.055);
}

.ckr-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 16px;
}

.ckr-card-name {
  font-size: 0.97rem;
  font-weight: 800;
  line-height: 1.2;
  color: #172a35;
}

.ckr-name-sub {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cfm-muted);
  margin-top: 1px;
}

.ckr-info-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #cdd6d8;
  background: transparent;
  color: var(--cfm-muted);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 1;
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.ckr-info-btn:hover,
.ckr-info-btn:focus-visible {
  background: var(--ckr-accent);
  color: #fff;
  border-color: var(--ckr-accent);
}

.ckr-info-btn:focus-visible {
  outline: 3px solid rgba(43, 109, 147, 0.45);
  outline: 3px solid color-mix(in srgb, var(--ckr-accent) 45%, transparent);
  outline-offset: 2px;
}

/* ─── Formula area ─── */

.ckr-formulas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px 4px;
  border-top: 1px solid #e6eced;
  border-bottom: 1px solid #e6eced;
}

/* Single formula (no label tag) */
.ckr-formulas > .ckr-fraction {
  width: 100%;
}

/* Labeled rows for pair cards */
.ckr-formula-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.ckr-formula-tag {
  flex-shrink: 0;
  width: 34px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ckr-accent);
  text-align: right;
}

.ckr-formula-arrow {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b0bec4;
  font-size: 0.82rem;
  line-height: 1;
  padding-left: calc(var(--ckr-tag-w, 34px) + 8px); /* align with fraction */
}

.ckr-fraction {
  flex: 1;
  min-width: 0;
  display: grid;
  text-align: center;
}

.ckr-num,
.ckr-den {
  padding: 4px 6px;
  font-size: 0.79rem;
  line-height: 1.35;
}

.ckr-num {
  font-weight: 700;
  color: #172a35;
  border-bottom: 1.5px solid #172a35;
  padding-bottom: 5px;
}

.ckr-den {
  color: #5b6d75;
  padding-top: 5px;
}

/* ─── Example / result ─── */

.ckr-card-foot {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
}

.ckr-card-foot--pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: end;
}

.ckr-where {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--cfm-muted);
}

.ckr-result-wrap {
  text-align: right;
}

.ckr-pair-result {
  display: grid;
  gap: 3px;
  text-align: center;
}

.ckr-calc {
  margin: 0 0 3px;
  font-size: 0.7rem;
  color: var(--cfm-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.ckr-card-foot--pair .ckr-calc {
  text-align: center;
}

.ckr-result {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 4px 12px;
  border-radius: 8px;
  background: var(--ckr-accent-pale, #e8f2f9);
  border: 1px solid var(--ckr-accent-mid, #c4dcee);
  color: var(--ckr-accent);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* ─── Back nav ─── */

.ckr-nav {
  margin-top: 0;
}

/* ─── Back nav ─── */

.ckr-back-nav {
  display: flex;
}

.ckr-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid var(--cfm-line);
  border-radius: 10px;
  background: #fff;
  color: var(--cfm-muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.ckr-back-btn:hover {
  border-color: #8caabd;
  background: #f0f5f9;
  color: var(--cfm-ink);
  transform: translateX(-3px);
}

.ckr-back-btn:focus-visible {
  outline: 3px solid var(--cfm-focus);
  outline-offset: 3px;
}

/* ─── Info dialog ─── */

.ckr-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(520px, calc(100vw - 24px));
  max-height: min(620px, calc(100vh - 44px));
  padding: 0;
  border: 1px solid #cdd6d8;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(10, 24, 34, 0.2);
  overflow: hidden;
}

.ckr-dialog::backdrop {
  background: rgba(12, 26, 34, 0.3);
  backdrop-filter: blur(2px);
  animation: ckr-backdrop-in 200ms ease-out;
}

.ckr-dialog[open] {
  animation: ckr-dialog-in 200ms ease-out;
}

@keyframes ckr-dialog-in {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.97);
  }
}

@keyframes ckr-backdrop-in {
  from { opacity: 0; }
}

.ckr-dialog-inner {
  display: grid;
  grid-template-rows: auto 1fr;
  max-height: min(620px, calc(100vh - 44px));
  overflow: hidden;
}

.ckr-dialog-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 22px 22px 18px;
  border-bottom: 1px solid #e6eced;
  background: #ffffff;
}

.ckr-dialog-cat {
  margin: 0 0 3px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ckr-accent, #2b6d93);
}

.ckr-dialog-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: #172a35;
  line-height: 1.2;
}

.ckr-dialog-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--cfm-line);
  background: #f4f6f4;
  color: var(--cfm-muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.12s, color 0.12s;
  flex-shrink: 0;
}

.ckr-dialog-close:hover {
  background: #e6ecec;
  color: #172a35;
}

.ckr-dialog-body {
  overflow-y: auto;
  padding: 20px 22px 26px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.ckr-dialog-section h4 {
  margin: 0 0 6px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--cfm-muted);
}

.ckr-dialog-section p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.68;
  color: #3a5060;
}

.ckr-dialog-section ul {
  margin: 0;
  padding-left: 17px;
  display: grid;
  gap: 5px;
}

.ckr-dialog-section li {
  font-size: 0.89rem;
  line-height: 1.58;
  color: #3a5060;
}

.ckr-tip {
  padding: 13px 15px;
  border-radius: 10px;
  background: #edf6f1;
  border: 1px solid #b8d8c6;
}

.ckr-tip h4 {
  color: #257557 !important;
}

/* ─── Responsive ─── */

@media (max-width: 880px) {
  .ckr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .ckr-body {
    padding-top: 28px;
  }

  .ckr-page {
    gap: 40px;
  }

  .ckr-grid,
  .ckr-grid--2 {
    grid-template-columns: 1fr;
  }

  .ckr-dialog {
    align-self: end;
    margin-bottom: 0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    max-height: 85vh;
    width: 100%;
  }

  .ckr-dialog[open] {
    animation: ckr-dialog-in-mobile 200ms ease-out;
  }

  @keyframes ckr-dialog-in-mobile {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
  }
}

@media (max-width: 400px) {
  .ckr-card-foot--pair {
    grid-template-columns: 1fr;
  }
}

/* ─── Skip link ─── */

.ckr-skip {
  position: absolute;
  top: -100%;
  left: 12px;
  z-index: 1000;
  padding: 8px 18px;
  background: var(--cfm-ink);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
  text-decoration: none;
}

.ckr-skip:focus {
  top: 0;
}

/* ─── Touch targets ─── */

@media (pointer: coarse) {
  .ckr-info-btn,
  .ckr-dialog-close {
    width: 44px;
    height: 44px;
  }
}

/* ─── Reduced motion ─── */

@media (prefers-reduced-motion: reduce) {
  .ckr-info-btn,
  .ckr-dialog-close {
    transition: none;
  }

  .ckr-dialog[open],
  .ckr-dialog::backdrop {
    animation: none;
  }
}