/* ==========================================================================
   caver.dk — shared design system
   A terminal / status-panel theme: flat near-black canvas, hairline
   borders, all-monospace type, numbered index, breadcrumb status line.
   ========================================================================== */

:root {
  --bg: #0e1014;
  --bg-elevated: #12151b;
  --surface: #14171e;
  --surface-2: #191d25;
  --surface-3: #20242e;
  --border: #262b35;
  --border-soft: #1c2029;

  --text: #e4e7ec;
  --text-dim: #838a99;
  --text-faint: #4d5361;

  --accent: #ffb454;
  --accent-strong: #ffc773;
  --accent-soft: rgba(255, 180, 84, 0.1);
  --accent-2: #5ec8ff;
  --accent-2-soft: rgba(94, 200, 255, 0.1);

  --danger: #ff6b7a;
  --danger-soft: rgba(255, 107, 122, 0.1);
  --success: #5ed99b;
  --success-soft: rgba(94, 217, 155, 0.1);

  --radius-lg: 3px;
  --radius: 2px;
  --radius-sm: 2px;

  --shadow: none;
  --shadow-sm: none;

  --font-body: 'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  background-position: -1px -1px;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

::selection {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* Focus visibility, kept everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------
   Shell / layout (used by index.php)
   -------------------------------------------------------------------- */

.site {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* Breadcrumb status line, e.g. CAVER.DK / KILOPRIS · OPERATIONAL */
.statusline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  text-transform: uppercase;
  flex-wrap: wrap;
}

.statusline .path a {
  color: var(--text-faint);
}

.statusline .path a:hover {
  color: var(--accent-2);
  text-decoration: none;
}

.statusline .path .sep {
  color: var(--border);
  margin: 0 4px;
}

.statusline .path .current {
  color: var(--text-dim);
}

.eyebrow {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.tabs {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: 22px;
}

.tabs a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  border-left: 2px solid transparent;
}

.tabs a:last-child {
  border-bottom: none;
}

.tabs a .idx {
  color: var(--text-faint);
  font-size: 0.82rem;
}

.tabs a:hover {
  color: var(--text);
  background: var(--surface-2);
}

.tabs a.active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-left-color: var(--accent);
}

.tabs a.active .idx {
  color: var(--accent);
}

@media (min-width: 640px) {
  .tabs {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .tabs a {
    flex: 1 1 auto;
    border-bottom: none;
    border-right: 1px solid var(--border-soft);
    justify-content: center;
  }
  .tabs a:last-child {
    border-right: none;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
}

.panel > h1:first-child,
.panel > h2:first-child {
  margin-top: 0;
}

.site-footer {
  margin-top: 26px;
  text-align: center;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.site-footer a {
  color: var(--text-dim);
}

.empty-state {
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------- */

h1 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 22px;
}

h1::before {
  content: "# ";
  color: var(--accent);
}

h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 14px;
}

h2::before {
  content: "## ";
  color: var(--text-faint);
}

h3 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-strong);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h3::before {
  content: "[ ";
  color: var(--text-faint);
}

h3::after {
  content: " ]";
  color: var(--text-faint);
}

/* --------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------- */

.field {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input[type="number"],
input[type="text"],
input[type="time"],
input[type="date"],
select {
  width: 100%;
  padding: 11px 13px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

select {
  font-family: var(--font-body);
}

input::placeholder {
  color: var(--text-faint);
  font-family: var(--font-mono);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

/* Chrome/Safari date & time picker icon on dark inputs */
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.75);
  cursor: pointer;
}

.unit,
.hint {
  color: var(--text-faint);
  font-size: 0.78rem;
  margin-top: 6px;
}

/* Buttons */

button,
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  cursor: pointer;
  background: var(--surface-2);
  color: var(--text-dim);
  transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}

button:active {
  transform: translateY(1px);
}

button[type="submit"],
button.calculate,
.calculate-btn {
  width: 100%;
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

button[type="submit"]::before,
button.calculate::before,
.calculate-btn::before {
  content: "> ";
}

button[type="submit"]:hover,
button.calculate:hover,
.calculate-btn:hover {
  background: var(--accent);
  color: #14110a;
}

button.add {
  display: block;
  margin: 18px auto 0;
  background: transparent;
  color: var(--accent-2);
  border: 1px dashed var(--border);
}

button.add:hover {
  border-color: var(--accent-2);
  background: var(--accent-2-soft);
}

button.remove {
  background: transparent;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: 0.78rem;
}

button.remove:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-soft);
}

/* Toggle switch */

.switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--surface-3);
  border: 1px solid var(--border);
  transition: 0.2s;
  border-radius: var(--radius-sm);
}

.slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background: var(--text-dim);
  transition: 0.2s;
  border-radius: 1px;
}

input:checked + .slider {
  background: var(--accent-soft);
  border-color: var(--accent);
}

input:checked + .slider:before {
  transform: translateX(20px);
  background: var(--accent);
}

.toggle-label,
.toggle-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle-label {
  justify-content: space-between;
}

.toggle-container label {
  margin: 0;
  text-transform: none;
}

/* --------------------------------------------------------------------
   Readout — the signature result component, reused on every calculator
   -------------------------------------------------------------------- */

.readout {
  margin-top: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.readout h2,
.readout h3 {
  color: var(--text-dim);
}

.readout p {
  margin: 0 0 8px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.readout p:last-child {
  margin-bottom: 0;
}

.readout strong {
  font-family: var(--font-mono);
  color: var(--accent-strong);
  font-weight: 600;
  font-size: 1rem;
}

.readout-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-soft);
}

.readout-row:last-child {
  border-bottom: none;
}

.readout-label {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.readout-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-strong);
}

.error,
.readout.error {
  background: var(--danger-soft);
  border-left-color: var(--danger);
  color: #ffc7cd;
}

.error {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border-left: 2px solid var(--danger);
  display: none;
  font-size: 0.88rem;
}

.error.show {
  display: block;
}

.readout.show {
  display: block;
}

.info,
.details {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-top: 18px;
  font-size: 0.86rem;
  color: var(--text-dim);
}

.info strong,
.details strong {
  color: var(--text);
}

/* Percentage bars (time.php) */

.percentage-bar {
  height: 6px;
  background: var(--surface-3);
  margin-top: 8px;
  border-radius: 0;
  overflow: hidden;
}

.percentage-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
}

.details ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.details li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
}

.details li:last-child {
  border-bottom: none;
}

/* --------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.85rem;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}

th {
  color: var(--text-faint);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

td {
  color: var(--text-dim);
  font-family: var(--font-mono);
}

td:first-child {
  color: var(--text);
}

tr:hover td {
  background: var(--surface-2);
}

tr.best-value td {
  background: var(--accent-soft) !important;
  color: var(--accent-strong);
}

.bonus-badge {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-top: 4px;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------
   Misc containers reused by kg.php / vaulta.php
   -------------------------------------------------------------------- */

.checkbox-group {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--surface-2);
  border-radius: var(--radius);
  border-left: 2px solid var(--accent-2);
}

.brutto-netto {
  display: flex;
  gap: 10px;
}

.brutto-netto > div:first-child {
  flex: 2;
}

.brutto-netto > div:last-child {
  flex: 1;
}

.form-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.package-name { flex: 2; }
.currency-amount, .package-price { flex: 1; }

.currency-header {
  display: flex;
  gap: 8px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  font-weight: 600;
  padding: 0 2px 10px;
}

.header-container {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 10;
  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-soft);
}

#currencies-container {
  max-height: 360px;
  overflow-y: auto;
  margin-bottom: 16px;
  padding-right: 4px;
}

.options-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin: 20px 0 4px;
  padding: 16px 18px;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}

.options-bar .btn,
.options-bar button.calculate {
  width: auto;
  flex-shrink: 0;
  padding: 12px 22px;
}

.bonus-field-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bonus-field-container input {
  width: 80px;
}

#bonusFieldContainer {
  display: none;
}

.calc-section {
  margin-bottom: 22px;
  padding: 20px;
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
}

.calc-section:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------- */

@media (max-width: 520px) {
  .panel {
    padding: 20px;
  }

  .brutto-netto,
  .form-row {
    flex-wrap: wrap;
  }

  .options-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .statusline {
    font-size: 0.68rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}