/* ===== Design tokens (Dark default) ===== */
:root {
  --max-width: 780px;

  /* Colors (dark) */
  --bg: #0b0f14;
  --panel: #0f1720;
  --border: #1f2937;
  --fg: #e6edf3;
  --muted: #9aa6b2;

  --input-bg: #0b1320;
  --input-border: #223043;
  --input-fg: var(--fg);
  --placeholder: #6b7a8a;

  --accent: #38bdf8; /* sky-400 */
  --accent-ink: #071018;
  --accent-border: #38bdf8;

  --danger: #ef4444;
  --danger-ink: #190a0a;

  --shadow: 0 1px 0 rgba(255, 255, 255, 0.02), 0 8px 24px rgba(0, 0, 0, 0.35);
}

/* Light mode overrides (automatisk om användaren föredrar ljust) */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --panel: #ffffff;
    --border: #e5e7eb;
    --fg: #0f172a;
    --muted: #6b7280;

    --input-bg: #ffffff;
    --input-border: #d1d5db;
    --input-fg: #0f172a;
    --placeholder: #97a0aa;

    --accent: #0ea5e9;
    --accent-ink: #ffffff;
    --accent-border: #0284c7;

    --danger: #ef4444;
    --danger-ink: #ffffff;

    --shadow: 0 1px 0 rgba(0, 0, 0, 0.03), 0 8px 24px rgba(0, 0, 0, 0.08);
  }
}

/* ===== Base ===== */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue",
    Arial, sans-serif;
  line-height: 1.5;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 16px;
}

h1,
h2 {
  line-height: 1.2;
  margin: 0 0 0.6em;
}
p {
  margin: 0 0 1em;
  color: var(--muted);
}

/* ===== Card / Panels ===== */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

/* ===== Form layout ===== */
.row {
  display: grid;
  grid-template-columns: 1fr 170px 44px;
  gap: 10px;
  align-items: end;
  margin-bottom: 10px;
}
.cell label {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 6px;
}
.cell input[type="text"],
.cell input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 12px;
  background: var(--input-bg);
  color: var(--input-fg);
  font-size: 16px;
  outline: none;
}
.cell input::placeholder {
  color: var(--placeholder);
}

/* Better focus for a11y */
:where(input, button):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 25%, transparent);
}

/* Remove button column layout */
.cell.remove {
  display: flex;
  align-items: center;
  justify-content: center;
}
.actions {
  padding-top: 2%;
}

/* ===== Buttons ===== */
button {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
  transition: transform 0.04s ease, box-shadow 0.15s ease, background 0.15s ease,
    border-color 0.15s ease;
}
.calc {
  background-color: green;
}
button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
button:active {
  transform: translateY(0);
}

button.add {
  background: var(--accent);
  border-color: var(--accent-border);
  color: var(--accent-ink);
  font-weight: 600;
}
button.ghost {
  background: transparent;
  border-color: var(--input-border);
  color: var(--fg);
}
button.icon {
  width: 44px;
  height: 44px;
  display: flex; /* Byt till flex istället för grid */
  align-items: center; /* Vertikal centrering */
  justify-content: center; /* Horisontell centrering */
  padding: 0;
  font-size: 22px; /* Lite större för bättre klickyta */
  line-height: 1;
  border-radius: 12px;
}
button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--danger-ink);
}
#calcbuttons {
  margin-top: 5%;
}

/* ===== Result & misc ===== */
.summary,
.result {
  margin-top: 12px;
}
.hint {
  color: var(--muted);
  font-size: 0.95em;
  margin-top: 12px;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 30px;
}

/* Lists */
ul.plain {
  list-style: none;
  padding-left: 0;
  margin: 8px 0 0;
}
.transfers {
  margin: 8px 0 0 18px;
}

/* ===== Responsive ===== */
@media (max-width: 560px) {
  .row {
    grid-template-columns: 1fr 1fr 44px;
  }
}
@media (max-width: 420px) {
  .row {
    grid-template-columns: 1fr;
  }
  .cell.remove {
    justify-content: flex-start;
  }
}

/* ===== Nice-to-have polish ===== */
::selection {
  background: color-mix(in oklab, var(--accent) 40%, transparent);
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}