/* Hallmark · genre: modern-minimal · macrostructure: per-page (Centered Form / Centered Card / Index-First / Document-Code-Card) · theme: Cobalt · enrichment: none · nav: N1 · footer: Ft2 · designed-as-app */
/* Hallmark · pre-emit critique: P5 H4 E4 S4 R5 V5 */

:root {
  --color-paper:      oklch(98.5% 0.004 250);
  --color-paper-2:    oklch(96%   0.006 250);
  --color-ink:        oklch(24%   0.02  258);
  --color-ink-2:      oklch(34%   0.018 257);
  --color-rule:       oklch(88%   0.01  255);
  --color-rule-2:     oklch(80%   0.014 255);
  --color-accent:     oklch(58%   0.20  256);
  --color-accent-ink: oklch(99%   0.004 250);
  --color-focus:      oklch(58%   0.20  256);
  --color-graphite:   oklch(22%   0.016 260);
  --color-graphite-2: oklch(28%   0.018 260);
  --color-error:      oklch(58%   0.20  25);
  --color-muted:      oklch(52%   0.014 257);

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --space-3xs: 0.25rem;  --space-2xs: 0.5rem;  --space-xs: 0.75rem;
  --space-sm:  1rem;     --space-md:  1.5rem;  --space-lg: 2rem;
  --space-xl:  3rem;     --space-2xl: 4.5rem;  --space-3xl: 7rem;

  --text-xs: 0.75rem;   --text-sm: 0.875rem;  --text-md: 1.0625rem;
  --text-lg: 1.25rem;   --text-xl: 1.625rem;  --text-2xl: 2rem;
  --text-display: clamp(2rem, 3vw + 1rem, 3.25rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long:  420ms;

  --radius-control: 6px;
  --radius-card: 10px;

  --control-height: 2.75rem;
}

/*
 * Dark theme. Applies automatically when the visitor's OS is in dark mode
 * (unless they've explicitly picked "light" via the toggle), or always when
 * they've explicitly picked "dark". See src/lib/theme-toggle.ts and the
 * THEME_INIT_JS copy in src/lib/html-shell.ts for how [data-theme] gets set.
 * Only lightness/chroma move — the anchor hue stays the same as light mode.
 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-paper:      oklch(16%   0.012 258);
    --color-paper-2:    oklch(21%   0.014 258);
    --color-ink:        oklch(94%   0.006 258);
    --color-ink-2:      oklch(84%   0.01  257);
    --color-rule:       oklch(30%   0.016 258);
    --color-rule-2:     oklch(38%   0.018 258);
    --color-accent:     oklch(68%   0.18  256);
    --color-accent-ink: oklch(14%   0.02  258);
    --color-focus:      oklch(68%   0.18  256);
    --color-graphite:   oklch(26%   0.016 260);
    --color-graphite-2: oklch(33%   0.018 260);
    --color-error:      oklch(68%   0.18  25);
    --color-muted:      oklch(64%   0.012 257);
  }
}

:root[data-theme="dark"] {
  --color-paper:      oklch(16%   0.012 258);
  --color-paper-2:    oklch(21%   0.014 258);
  --color-ink:        oklch(94%   0.006 258);
  --color-ink-2:      oklch(84%   0.01  257);
  --color-rule:       oklch(30%   0.016 258);
  --color-rule-2:     oklch(38%   0.018 258);
  --color-accent:     oklch(68%   0.18  256);
  --color-accent-ink: oklch(14%   0.02  258);
  --color-focus:      oklch(68%   0.18  256);
  --color-graphite:   oklch(26%   0.016 260);
  --color-graphite-2: oklch(33%   0.018 260);
  --color-error:      oklch(68%   0.18  25);
  --color-muted:      oklch(64%   0.012 257);
}

/* ---------- reset + base ---------- */

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }

html {
  background: var(--color-paper);
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-md);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-xl); }

p { margin: 0 0 var(--space-md); max-width: 65ch; }

a {
  color: var(--color-ink-2);
  text-decoration-color: var(--color-rule-2);
  text-underline-offset: 3px;
  transition: color var(--dur-short) var(--ease-out), text-decoration-color var(--dur-short) var(--ease-out);
}
a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: inherit;
}

code, .mono {
  font-family: var(--font-mono);
}

/* ---------- layout shell ---------- */

.shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.nav {
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-md) clamp(1rem, 4vw, var(--space-xl));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark:hover { color: var(--color-accent); }
.wordmark__icon { width: 1.25em; height: 1.25em; flex: none; }

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}

.nav__end {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-control);
  border: 1px solid var(--color-rule-2);
  background: transparent;
  color: var(--color-ink-2);
  cursor: pointer;
  flex: none;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.theme-toggle:hover { background: var(--color-paper-2); border-color: var(--color-ink-2); }
.theme-toggle svg { width: 1.1rem; height: 1.1rem; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

main.page {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: clamp(var(--space-lg), 6vw, var(--space-2xl)) clamp(1rem, 4vw, var(--space-xl));
}

main.page--wide { max-width: 96rem; }

/* ---------- split layout (upload frontpage) ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-top: var(--space-lg);
}

@media (min-width: 60rem) {
  .split { grid-template-columns: 1.15fr 0.85fr; }
}

.split__content .textarea { min-height: 24rem; }

.split__side .code-card__body {
  max-height: none;
  font-size: var(--text-sm);
}

.split__side .prompt { color: oklch(72% 0.02 258); }
.split__side .accent { color: var(--color-accent); }
.split__side .out { color: oklch(92% 0.006 258); }

.lede {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.footer {
  border-top: 1px solid var(--color-rule);
  padding: var(--space-md) clamp(1rem, 4vw, var(--space-xl));
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.footer a { color: var(--color-muted); }
.footer a:hover { color: var(--color-accent); }
.footer__links { display: flex; gap: var(--space-md); }

/* ---------- form controls ---------- */

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-2);
  margin-bottom: var(--space-2xs);
}

.field { margin-bottom: var(--space-md); }

.helper {
  min-height: 1lh;
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--space-2xs);
}

.helper--error { color: var(--color-error); }

.input,
.textarea {
  display: block;
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-control);
  outline: 2px solid transparent;
  outline-offset: 1px;
  padding: 0 var(--space-sm);
  height: var(--control-height);
  transition: background-color var(--dur-short) var(--ease-out);
}

.textarea {
  height: auto;
  min-height: 12rem;
  padding: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  resize: vertical;
}

.input:hover, .textarea:hover { background: var(--color-paper-2); }
.input:focus-visible, .textarea:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-ink-2);
}
.input::placeholder, .textarea::placeholder { color: var(--color-muted); }
.input:disabled, .textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.file-field {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-control);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.file-field:hover { background: var(--color-paper-2); border-color: var(--color-ink-2); }
.file-field input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.file-field:has(input:focus-visible) { outline: 2px solid var(--color-focus); outline-offset: 2px; }

.file-field--compact {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-3xs) var(--space-xs);
  color: var(--color-accent);
  border-color: var(--color-rule);
  white-space: nowrap;
}
.file-field--compact:hover { background: oklch(58% 0.20 256 / 0.06); border-color: var(--color-accent); }

.field__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.field__header label { margin-bottom: 0; }

.file-chosen {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  min-height: 12rem;
  border: 1px dashed var(--color-rule-2);
  border-radius: var(--radius-control);
  padding: var(--space-lg);
  background: var(--color-paper-2);
}

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: var(--space-md) 0;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--color-rule); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  height: var(--control-height);
  padding: 0 var(--space-lg);
  border-radius: var(--radius-control);
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              transform 100ms var(--ease-out),
              opacity var(--dur-short) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--primary:hover:not(:disabled) { background: oklch(52% 0.20 256); }

.btn--secondary {
  background: transparent;
  color: var(--color-ink-2);
  border-color: var(--color-rule-2);
}
.btn--secondary:hover:not(:disabled) { background: var(--color-paper-2); border-color: var(--color-ink-2); }

.btn--danger {
  background: transparent;
  color: var(--color-error);
  border-color: var(--color-rule-2);
}
.btn--danger:hover:not(:disabled) { background: oklch(58% 0.20 25 / 0.08); border-color: var(--color-error); }

/* ---------- cards ---------- */

.card {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  background: var(--color-paper);
}

.card--centered {
  max-width: 26rem;
  margin: clamp(var(--space-xl), 10vh, var(--space-3xl)) auto;
}

/* ---------- the code card (paste content) ---------- */

.code-card {
  background: var(--color-graphite);
  border: 1px solid var(--color-graphite-2);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 2px oklch(24% 0.02 258 / 0.16);
  overflow: hidden;
}

.code-card__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--color-graphite-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: oklch(72% 0.02 258);
}

.code-card__bar .btn {
  color: oklch(88% 0.01 258);
  border-color: oklch(45% 0.02 258);
  background: transparent;
}
.code-card__bar .btn:hover:not(:disabled) {
  background: oklch(32% 0.018 260);
  border-color: oklch(60% 0.02 258);
  color: var(--color-paper);
}
.code-card__bar .btn:focus-visible { outline-color: var(--color-accent); }

.code-card__label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.code-card__body {
  margin: 0;
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: oklch(92% 0.006 258);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 32rem;
  overflow: auto;
}

/* ---------- chips (mono labels, status, issue link) ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-control);
  padding: var(--space-3xs) var(--space-xs);
}

.chip--link { color: var(--color-accent); border-color: var(--color-rule-2); text-decoration: none; }
.chip--link:hover { background: oklch(58% 0.20 256 / 0.06); }

/* ---------- copy button ---------- */

.copy-btn[data-state="copied"] .copy-btn__default { display: none; }
.copy-btn[data-state="copied"]::after { content: "Copied"; }
.copy-btn:not([data-state="copied"])::after { content: none; }

/* ---------- table (admin dashboard) ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
}

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

table.pastes th, table.pastes td {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-rule);
  white-space: nowrap;
}

table.pastes th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  font-weight: 500;
  background: var(--color-paper-2);
}

table.pastes tbody tr:last-child td { border-bottom: none; }
table.pastes tbody tr:hover { background: var(--color-paper-2); }

table.pastes .col-label, table.pastes .col-slug { white-space: normal; }

.tabular { font-variant-numeric: tabular-nums; }

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.table-toolbar__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.row-check, #select-all {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}

table.pastes th:first-child, table.pastes td:first-child { width: 1px; }

form.inline { display: inline; margin: 0; }

/* ---------- error / status text ---------- */

.error-text {
  color: var(--color-error);
  font-size: var(--text-sm);
}

/* ---------- result modal (upload success) ---------- */

.result-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  height: fit-content;
  max-height: min(80vh, 30rem);
  width: min(90vw, 34rem);
  padding: var(--space-xl);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-paper);
  color: var(--color-ink-2);
  box-shadow: 0 8px 24px oklch(20% 0.02 258 / 0.16);
}

.result-dialog::backdrop {
  background: oklch(20% 0.02 258 / 0.45);
  backdrop-filter: blur(6px);
}

.result-dialog__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin: 0 0 var(--space-2xs);
}

.result-dialog h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
}

.result-dialog__url {
  border: 1px solid var(--color-rule-2);
  border-radius: var(--radius-control);
  background: var(--color-paper-2);
  padding: var(--space-sm);
  margin: var(--space-md) 0;
  word-break: break-all;
  font-size: var(--text-sm);
}

.result-dialog__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.result-dialog__actions .btn { flex: 1; }

@media (prefers-reduced-motion: no-preference) {
  .result-dialog {
    animation: result-dialog-in var(--dur-long) var(--ease-out);
  }
  .result-dialog::backdrop {
    animation: result-dialog-backdrop-in var(--dur-long) var(--ease-out);
  }
}
@keyframes result-dialog-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: none; }
}
@keyframes result-dialog-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- responsive ---------- */

@media (max-width: 30rem) {
  .footer { flex-direction: column; align-items: flex-start; gap: var(--space-2xs); }
  table.pastes th, table.pastes td { padding: var(--space-xs) var(--space-sm); }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}