/* Geek 조간 — editorial morning-paper layout.
   Serif masthead/headlines over a humanist sans body; source colours are
   semantic (GeekNews = teal, Hacker News = HN orange), never decorative. */

:root {
  --color-paper: #f5f0e6;
  --color-paper-raised: #fbf8f2;
  --color-ink: #1c1a16;
  --color-ink-soft: #4a463e;
  --color-muted: #7a7366;
  --color-rule: #d9cfbd;
  --color-rule-strong: #1c1a16;
  --color-geeknews: #0f6b5a;
  --color-geeknews-tint: #dcebe5;
  --color-hn: #c2410c;
  --color-hn-tint: #f8e1d3;
  --color-success: #166534;
  --color-success-tint: #dcf2e3;
  --color-warning: #92400e;
  --color-warning-tint: #fbebd0;
  --color-focus: #2563eb;
  --shadow-bar: 0 -1px 0 var(--color-rule), 0 -12px 32px -18px rgb(28 26 22 / 0.45);

  --font-serif: "Noto Serif KR", "Nanum Myeongjo", Georgia, serif;
  --font-sans: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.0625rem);
  --text-title: clamp(1.02rem, 0.95rem + 0.35vw, 1.15rem);
  --text-lead: clamp(1.2rem, 1rem + 0.9vw, 1.55rem);
  --text-section: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  --text-hero: clamp(3.4rem, 1.6rem + 8vw, 8.5rem);

  --space-gutter: clamp(1rem, 0.5rem + 2.5vw, 3rem);
  --space-section: clamp(2rem, 1.2rem + 3vw, 4.5rem);
  --measure: 1240px;

  --radius-chip: 999px;
  --radius-button: 4px;
  --duration-fast: 150ms;
  --duration-normal: 280ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-paper: #15140f;
    --color-paper-raised: #1d1c16;
    --color-ink: #ece6d8;
    --color-ink-soft: #c9c1b0;
    --color-muted: #948c7c;
    --color-rule: #34312a;
    --color-rule-strong: #ece6d8;
    --color-geeknews: #5cc4ab;
    --color-geeknews-tint: #16302a;
    --color-hn: #ff8a4c;
    --color-hn-tint: #3a2216;
    --color-success: #86efac;
    --color-success-tint: #14301d;
    --color-warning: #fcd34d;
    --color-warning-tint: #3a2c10;
    --color-focus: #93c5fd;
    --shadow-bar: 0 -1px 0 var(--color-rule), 0 -12px 32px -18px rgb(0 0 0 / 0.8);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-paper);
  /* faint newsprint grain */
  background-image: radial-gradient(rgb(28 26 22 / 0.035) 1px, transparent 1px);
  background-size: 3px 3px;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Masthead ---------- */

.masthead {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--space-gutter) var(--space-gutter) 0;
  text-align: center;
}

.masthead__rule {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.55rem 0;
  border-block: 1px solid var(--color-rule-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.masthead__title {
  margin: 0.15em 0 0;
  font-family: var(--font-serif);
  font-size: var(--text-hero);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.masthead__title em {
  font-style: normal;
  color: var(--color-hn);
}

.masthead__tagline {
  margin: 0.9rem auto 0;
  max-width: 34rem;
  color: var(--color-ink-soft);
}

.masthead__tagline strong {
  color: var(--color-ink);
  white-space: nowrap;
}

.masthead__nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding-bottom: 1.1rem;
  border-bottom: 4px double var(--color-rule-strong);
}

.chip {
  --chip-color: var(--color-ink);
  --chip-tint: var(--color-paper-raised);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.45rem 0.3rem 0.9rem;
  border: 1px solid var(--chip-color);
  border-radius: var(--radius-chip);
  background: var(--chip-tint);
  color: var(--chip-color);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.chip:hover {
  transform: translateY(-2px);
}

.chip__count {
  min-width: 1.6rem;
  padding: 0 0.4rem;
  border-radius: var(--radius-chip);
  background: var(--chip-color);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
}

.chip--geeknews,
.column--geeknews {
  --chip-color: var(--color-geeknews);
  --chip-tint: var(--color-geeknews-tint);
  --accent: var(--color-geeknews);
  --accent-tint: var(--color-geeknews-tint);
}

.chip--hacker-news,
.column--hacker-news {
  --chip-color: var(--color-hn);
  --chip-tint: var(--color-hn-tint);
  --accent: var(--color-hn);
  --accent-tint: var(--color-hn-tint);
}

/* ---------- Flash ---------- */

.flash {
  width: calc(100% - 2 * var(--space-gutter));
  max-width: calc(var(--measure) - 2 * var(--space-gutter));
  margin: 1.25rem auto 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid currentColor;
  font-weight: 500;
  animation: flash-in var(--duration-normal) var(--ease-out-expo) both;
}

.flash--success {
  color: var(--color-success);
  background: var(--color-success-tint);
}

.flash--warning {
  color: var(--color-warning);
  background: var(--color-warning-tint);
}

.flash--info {
  color: var(--color-ink-soft);
  background: var(--color-paper-raised);
}

@keyframes flash-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
}

/* ---------- Columns ---------- */

.paper {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--space-section) var(--space-gutter) calc(var(--space-section) + 4rem);
  display: grid;
  gap: var(--space-section);
}

@media (min-width: 1024px) {
  .paper {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .column:first-child {
    padding-right: var(--space-gutter);
    border-right: 1px solid var(--color-rule);
  }

  .column:last-child {
    padding-left: var(--space-gutter);
  }
}

.column__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  padding-bottom: 0.7rem;
  border-bottom: 3px solid var(--accent);
}

.column__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-section);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--accent);
}

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

.column__note--warn {
  color: var(--color-warning);
  font-weight: 500;
}

.column__home {
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.column__home:hover {
  text-decoration: underline;
}

.column__error {
  margin: 1.25rem 0 0;
  padding: 1rem;
  background: var(--color-warning-tint);
  color: var(--color-warning);
}

/* ---------- Stories ---------- */

.stories {
  list-style: none;
  margin: 0;
  padding: 0;
}

.story {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.25rem 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-rule);
}

.story__rank {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.story__body {
  min-width: 0;
}

.story__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-title);
  font-weight: 600;
  line-height: 1.45;
}

.story__title a {
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--duration-normal) var(--ease-out-expo), color var(--duration-fast);
}

.story__title a:hover {
  color: var(--accent);
  background-size: 100% 2px;
}

.story__title a:active {
  opacity: 0.7;
}

.story__original {
  margin: 0.2rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-muted);
}

.story__highlights {
  margin: 0.55rem 0 0;
  padding-left: 1rem;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.story__highlights li + li {
  margin-top: 0.2rem;
}

.story__highlights li::marker {
  color: var(--accent);
}

.story__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.9rem;
  margin: 0.45rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.meta--points {
  color: var(--accent);
  font-weight: 600;
}

.meta--comments {
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}

.meta--comments:hover {
  color: var(--accent);
}

/* Top three stories read as the lead: bigger serif, accent rank. */
.story--lead .story__rank {
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.05;
  color: var(--accent);
}

.story--lead .story__title {
  font-size: var(--text-lead);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.story--lead:first-child {
  padding: 1.25rem 1rem;
  margin: 1rem 0 0;
  border: 0;
  background: var(--accent-tint);
}

/* ---------- Dispatch bar ---------- */

.dispatch {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  padding: 0.75rem max(var(--space-gutter), calc((100% - var(--measure)) / 2 + var(--space-gutter)));
  background: color-mix(in srgb, var(--color-paper-raised) 88%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-bar);
}

.dispatch__to {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.dispatch__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.dispatch__to strong {
  overflow: hidden;
  text-overflow: ellipsis;
}

.dispatch__actions {
  display: flex;
  gap: 0.5rem;
}

.dispatch__actions form {
  margin: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0 1.15rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-button);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast);
}

.button:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--color-ink);
}

.button:active:not(:disabled) {
  transform: translate(0, 0);
  box-shadow: none;
}

.button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.button--primary {
  background: var(--color-ink);
  color: var(--color-paper);
}

.button--primary:hover:not(:disabled) {
  box-shadow: 3px 3px 0 var(--color-hn);
}

.button--ghost {
  background: transparent;
  color: var(--color-ink);
}

.dispatch__logout {
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-muted);
  font: inherit;
  font-size: var(--text-xs);
  text-decoration: underline;
  cursor: pointer;
}

.dispatch__logout:hover {
  color: var(--color-ink);
}

/* ---------- Login ---------- */

.login-body {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: var(--space-gutter);
}

.login {
  width: 100%;
  max-width: 26rem;
  padding: clamp(1.5rem, 1rem + 3vw, 2.5rem);
  border-top: 4px double var(--color-rule-strong);
  border-bottom: 1px solid var(--color-rule-strong);
  background: var(--color-paper-raised);
  box-shadow: 0 24px 48px -32px rgb(28 26 22 / 0.5);
}

.login__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.login__title {
  margin: 0.2rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 2rem + 3vw, 3.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.login__title em {
  font-style: normal;
  color: var(--color-hn);
}

.login__lead {
  margin: 0.8rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.login__flash {
  width: auto;
  margin: 1.2rem 0 0;
}

.login__form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field__label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.field__input {
  min-height: 2.9rem;
  padding: 0 0.85rem;
  border: 1px solid var(--color-rule);
  border-bottom: 2px solid var(--color-ink);
  border-radius: var(--radius-button);
  background: var(--color-paper);
  color: var(--color-ink);
  font: inherit;
  transition: border-color var(--duration-fast);
}

.field__input:focus-visible {
  outline: none;
  border-color: var(--color-hn);
  box-shadow: 0 2px 0 var(--color-hn);
}

.login__switch {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.login__switch a {
  color: var(--color-hn);
  font-weight: 600;
}

.login__resend {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem;
  margin: 1rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.field__label small {
  font-weight: 400;
  color: var(--color-muted);
}

.field__input--invalid {
  border-bottom-color: var(--color-warning);
}

.field__error {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-warning);
}

.field__input--code {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  letter-spacing: 0.5em;
  text-align: center;
}

.steps {
  display: flex;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.steps__item {
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-chip);
  color: var(--color-muted);
}

.steps__item--current {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
}

.steps__item--done {
  border-color: var(--color-geeknews);
  color: var(--color-geeknews);
}

.login__submit {
  justify-content: center;
  margin-top: 0.4rem;
}

/* ---------- Footer ---------- */

.colophon {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--space-gutter) 7rem;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

@media (max-width: 480px) {
  .dispatch__actions {
    width: 100%;
  }

  .dispatch__actions form:last-child {
    flex: 1;
  }

  .dispatch__actions .button--primary {
    width: 100%;
    justify-content: center;
  }

  .story--lead:first-child {
    margin-inline: -0.5rem;
    padding-inline: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}