/* ===================================================================
 * Token Cost Calculator — styling mirroring riyaldi.dev
 * Design tokens imported from personal-website/src/styles.css
 * Font: Plus Jakarta Sans (system fallback stack)
 * Semantic color tokens: RGB tuples for foreground/background/card/etc.
 * =================================================================== */

/* ---------- imports ---------- */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap");

/* ---------- design tokens ---------- */
:root {
  color-scheme: dark;
  font-size: 16px;

  --font-sans: "Plus Jakarta Sans", "Inter", "Segoe UI", system-ui, -apple-system,
    BlinkMacSystemFont, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  /* type scale */
  --text-sm: 0.850rem;
  --text-md: 1rem;
  --text-lg: 1.618rem;
  --text-xl: 2.618rem;

  /* radii */
  --radius-xs: 0.25rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* shadows */
  --shadow-soft: 0 25px 80px 0 rgb(0 0 0 / 0.25);

  /* semantic colors (RGB tuples: use with rgb(var(--X) / opacity) */
  --background: 15 12 18;
  --foreground: 250 250 250;
  --card: 26 26 32;
  --card-foreground: 244 244 245;
  --border: 39 39 42;
  --input: 63 63 70;
  --muted: 24 24 27;
  --muted-foreground: 161 161 170;
  --accent: 63 63 70;
  --accent-foreground: 250 250 250;
  --ring: 250 250 250;
  --green: 62 207 142;
  --red: 248 113 113;
}

/* ---------- reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-color: rgb(var(--border) / 1);
}

*:focus-visible {
  outline: 2px solid rgb(var(--ring) / 0.85);
  outline-offset: 2px;
}

.btn-default:focus-visible {
  outline-color: rgb(var(--background) / 0.9);
}

html {
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100svh;
  font-family: var(--font-sans);
  background-color: rgb(var(--background));
  color: rgb(var(--foreground));
  font-size: var(--text-md);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgb(var(--foreground));
}

h1 {
  font-size: var(--text-xl);
  line-height: 1.1;
}

h2 {
  font-size: var(--text-lg);
  line-height: 1.15;
}

/* ---------- layout ---------- */
.page {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

/* ---------- header ---------- */
.app-header {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0;
  width: 100%;
}

.app-header h1 {
  text-wrap: balance;
}

.app-header .tagline {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
  margin-top: 0.25rem;
}

/* ---------- cards (glass-panel + glow-card) ---------- */
.card {
  background-color: rgb(var(--card));
  /* border: 1px solid rgb(var(--border) / 0.6); */
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  position: relative;
  isolation: isolate;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.card-head h2 {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.card-head .hint {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
}

.card-head .unit {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
  font-weight: 500;
  margin-left: 0.25rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  border: 0;
  cursor: pointer;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease,
    transform 150ms ease, box-shadow 150ms ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.96);
}

.btn-default {
  background-color: rgb(var(--foreground));
  color: rgb(var(--background));
  box-shadow: 0 4px 24px rgb(0 0 0 / 0.25);
}

.btn-default:hover {
  background-color: rgb(var(--foreground) / 0.9);
}

.btn-ghost {
  background: transparent;
  color: rgb(var(--foreground));
  border: 1px solid rgb(var(--border));
}

.btn-ghost:hover {
  background-color: rgb(var(--foreground) / 0.05);
}

/* ---------- inputs ---------- */
input[type="number"],
input[type="text"] {
  background-color: rgb(var(--muted));
  border: 1px solid rgb(var(--input));
  border-radius: var(--radius-md);
  color: rgb(var(--foreground));
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: 0.5rem 0.625rem;
  text-align: right;
  transition: border-color 150ms ease, box-shadow 150ms ease;
  width: 100%;
}

/* iOS Safari zooms the page when input text is below 16px */
@media (max-width: 720px) {
  input[type="number"],
  input[type="text"],
  #csv-text {
    font-size: 16px;
  }
}

input[type="text"] {
  text-align: left;
  font-family: var(--font-sans);
}

input:focus-visible {
  outline: none;
  border-color: rgb(var(--ring));
  box-shadow: 0 0 0 2px rgb(var(--ring) / 0.22);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* ---------- pricing table ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

thead th {
  text-align: right;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgb(var(--muted-foreground));
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.5rem 0.625rem;
  border-bottom: 1px solid rgb(var(--border) / 0.7);
  white-space: nowrap;
}

thead th.col-name,
thead th.col-rank {
  text-align: left;
}

thead th .sub {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

tbody tr {
  border-bottom: 1px solid rgb(var(--border) / 0.35);
  transition: background-color 100ms ease;
}

tbody tr:last-child {
  border-bottom: 0;
}

tbody tr:hover {
  background-color: rgb(var(--foreground) / 0.03);
}

td {
  padding: 0.5rem 0.625rem;
  vertical-align: middle;
}

td.col-name {
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}

td.col-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

td.col-rank {
  text-align: left;
  color: rgb(var(--muted-foreground));
  font-weight: 600;
}

/* editable pricing rows */
.price-row td {
  padding: 0.375rem 0.5rem;
}

.name-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 12rem;
}

.name-cell input {
  min-width: 10rem;
}

.initials {
  flex: 0 0 auto;
  width: 1.625rem;
  height: 1.625rem;
  border-radius: var(--radius-sm);
  background-color: rgb(var(--muted));
  color: rgb(var(--foreground) / 0.7);
  font-weight: 700;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}

.px {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.25rem;
}

.px .dollar {
  color: rgb(var(--muted-foreground));
  font-weight: 600;
}

.px input {
  width: 5.5rem;
}

.remove-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background: transparent;
  border: 0;
  color: rgb(var(--muted-foreground));
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem 0.375rem;
  border-radius: var(--radius-xs);
  transition: color 150ms ease, background-color 150ms ease;
}

/* text label only visible in card (mobile) layout */
.remove-label {
  display: none;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 550;
}

/* expand hit area to ≥40px without enlarging the glyph */
.remove-btn::before {
  content: "";
  position: absolute;
  inset: -0.625rem;
  border-radius: inherit;
}

.remove-btn:hover {
  color: rgb(var(--red));
  background-color: rgb(var(--red) / 0.1);
}

/* ── add/remove row animation ── */
.price-row {
  transition: opacity 200ms cubic-bezier(0.23, 1, 0.32, 1),
              transform 200ms cubic-bezier(0.23, 1, 0.32, 1);
}

.price-row.entering {
  opacity: 0;
  transform: translateY(-8px);
}

@keyframes price-row-leave {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-8px); }
}

.price-row.leaving {
  animation: price-row-leave 200ms cubic-bezier(0.23, 1, 0.32, 1) forwards;
  pointer-events: none;
}

.dialog-close {
  position: relative;
}

.dialog-close::before {
  content: "";
  position: absolute;
  inset: -0.625rem;
  border-radius: inherit;
}

.empty-row td {
  color: rgb(var(--muted-foreground));
  text-align: center;
  padding: 1.75rem 0.625rem;
  line-height: 1.5;
}

.empty-row td strong {
  color: rgb(var(--foreground));
  font-weight: 600;
}

/* ---------- assumption fields ---------- */
.assumptions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.875rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-label {
  font-size: var(--text-sm);
  color: rgb(var(--muted-foreground));
  font-weight: 550;
}

.field input {
  width: 100%;
}

.field.big {
  max-width: 14rem;
}

/* money input */
.money {
  display: flex;
  align-items: stretch;
}

.money .currency {
  display: inline-flex;
  align-items: center;
  padding: 0 0.75rem;
  background-color: rgb(var(--muted));
  border: 1px solid rgb(var(--input));
  border-right: 0;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color: rgb(var(--muted-foreground));
  font-weight: 600;
}

.money input {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ---------- results ---------- */
td.cost {
  font-weight: 700;
}

td.cost .units {
  font-weight: 500;
  color: rgb(var(--muted-foreground));
  font-size: 0.71875rem;
}

tr.best {
  background-color: rgb(var(--green) / 0.06);
}

tr.best td.col-rank {
  color: rgb(var(--green));
}

tr.best .badge {
  display: inline-block;
  background-color: rgb(var(--green) / 0.15);
  color: rgb(var(--green));
  border-radius: 9999px;
  padding: 0.0625rem 0.375rem;
  font-size: 0.625rem;
  font-weight: 700;
  margin-left: 0.375rem;
  vertical-align: 0.0625rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- dialog (CSV import) ---------- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgb(0 0 0 / 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms;
  padding: 1rem;
}

.dialog-overlay.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.dialog {
  background-color: rgb(var(--card));
  border: 1px solid rgb(var(--border));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  max-width: 36rem;
  width: 100%;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.dialog-head h2 {
  font-size: var(--text-md);
  font-weight: 600;
}

.dialog-close {
  background: transparent;
  border: 0;
  color: rgb(var(--muted-foreground));
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-xs);
  transition: color 150ms ease;
}

.dialog-close:hover {
  color: rgb(var(--foreground));
}

.dialog-hint {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
  line-height: 1.5;
}

.dialog-hint code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background-color: rgb(var(--muted));
  padding: 0.0625rem 0.3125rem;
  border-radius: var(--radius-xs);
  color: rgb(var(--foreground));
}

.dialog-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#csv-text {
  background-color: rgb(var(--muted));
  border: 1px solid rgb(var(--input));
  border-radius: var(--radius-md);
  color: rgb(var(--foreground));
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: 0.625rem;
  width: 100%;
  resize: vertical;
  line-height: 1.5;
  transition: border-color 150ms ease;
}

#csv-text:focus {
  outline: none;
  border-color: rgb(var(--ring));
  box-shadow: 0 0 0 2px rgb(var(--ring) / 0.22);
}

.dialog-upload {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.upload-label {
  cursor: pointer;
  display: inline-flex;
}

.upload-label input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.upload-name {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.dialog-errors {
  color: rgb(var(--red));
  font-size: var(--text-sm);
  line-height: 1.5;
  min-height: 0;
}

.dialog-errors.error {
  padding: 0.5rem 0.625rem;
  border: 1px solid rgb(var(--red) / 0.3);
  border-radius: var(--radius-md);
  background-color: rgb(var(--red) / 0.06);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding-top: 0.25rem;
}

/* ---------- footer ---------- */
.app-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
  width: 100%;
}

.app-footer p {
  color: rgb(var(--muted-foreground));
  font-size: var(--text-sm);
  border-top: 1px solid rgb(var(--border) / 0.5);
  padding-top: 0.875rem;
}

.app-footer p + p {
  border-top: 0;
  padding-top: 0.5rem;
  font-size: 0.8125rem;
}

.app-footer .copyright a {
  color: rgb(var(--muted-foreground));
  text-decoration: none;
}

.app-footer .copyright a:hover {
  color: rgb(var(--foreground));
  text-decoration: underline;
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .page {
    padding: 1.5rem 1rem 2.5rem;
    gap: 0.875rem;
  }

  .card {
    padding: 1rem;
  }

  .card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .card-actions {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .card-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .px input {
    width: 5.5rem;
  }

  .name-cell {
    min-width: 0;
  }

  .name-cell input {
    min-width: 0;
    width: 100%;
  }

  .dialog {
    padding: 1rem;
    max-height: 90svh;
    overflow-y: auto;
  }

  /* ── tables become stacked cards: no horizontal scroll ── */
  .table-wrap {
    overflow-x: visible;
  }

  table {
    border-collapse: separate;
    border-spacing: 0;
  }

  thead {
    display: none;
  }

  tbody tr {
    display: block;
    border: 1px solid rgb(var(--border));
    border-radius: var(--radius-lg);
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.75rem;
    background-color: rgb(var(--muted) / 0.3);
  }

  tbody tr:last-child {
    margin-bottom: 0;
  }

  tbody tr.best {
    border-color: rgb(var(--green) / 0.4);
  }

  td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.4375rem 0;
    border-bottom: 1px dashed rgb(var(--border) / 0.35);
    white-space: normal;
    text-align: right;
  }

  tbody tr:last-child td:last-child,
  td:last-child {
    border-bottom: 0;
  }

  /* label + value layout from data-label */
  td[data-label]::before {
    content: attr(data-label);
    color: rgb(var(--muted-foreground));
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    flex: 0 0 auto;
  }

  td[data-label] > :not(input) {
    margin-left: auto;
  }

  /* first cell = provider header row, spans full width */
  .price-row td:first-child {
    display: block;
    width: 100%;
    padding-bottom: 0.625rem;
  }

  .price-row td:first-child[data-label]::before {
    content: none;
  }

  .price-row .name-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
  }

  /* remove button row: full-width action button, no label */
  .price-row td.col-actions {
    display: block;
    border-bottom: 0;
    padding-top: 0.5rem;
  }

  .price-row td.col-actions::before {
    content: none;
  }

  .price-row .remove-btn {
    display: flex;
    width: 100%;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    border: 1px solid rgb(var(--border));
    border-radius: var(--radius-md);
    background-color: rgb(var(--muted) / 0.4);
    color: rgb(var(--muted-foreground));
    transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
  }

  .price-row .remove-btn::before {
    content: none;
  }

  .price-row .remove-label {
    display: inline;
  }

  .price-row .remove-btn:hover {
    color: rgb(var(--red));
    background-color: rgb(var(--red) / 0.08);
    border-color: rgb(var(--red) / 0.35);
  }

  /* result cards */
  #result-table tbody tr.best td.col-rank {
    color: rgb(var(--green));
  }

  td.col-rank {
    display: block;
    width: 100%;
    text-align: left;
    padding-bottom: 0.5rem;
  }

  td.col-rank::before {
    content: none;
  }

  td.col-name {
    font-weight: 600;
  }

  td.cost .units {
    display: inline;
  }

  /* empty row: plain centered text, not a card layout */
  .empty-row td {
    display: block;
    text-align: center;
    border: 0;
    padding: 1.25rem 0.5rem;
  }

  .empty-row td::before {
    content: none;
  }

  .dialog-upload {
    justify-content: flex-end;
  }

  .field.big {
    max-width: 100%;
  }

  .dialog-actions .btn {
    flex: 1 1 auto;
  }

  .app-header,
  .app-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 400px) {
  .assumptions {
    grid-template-columns: 1fr;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}