/* ============================================================
   SIDEWALK — A journal of everyday city life
   ============================================================ */

@font-face {
  font-family: "DM Serif Display";
  src: url("assets/dm-serif.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("assets/dm-sans.ttf") format("truetype");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/ibm-plex-mono.ttf") format("truetype");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f3efe6;
  --paper-2: #ebe5d8;
  --card: #fbf8f1;
  --ink: #1b1a17;
  --ink-soft: #4c4941;
  --ink-faint: #837d70;
  --rule: #d8d0bf;
  --rule-strong: #b9ae98;
  --accent: #bf3a1f;
  --accent-ink: #8f2a15;
  --focus: #1b5fb0;

  --serif: "DM Serif Display", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(27, 26, 23, 0.06), 0 2px 8px rgba(27, 26, 23, 0.05);
  --shadow-lg: 0 24px 70px -20px rgba(27, 26, 23, 0.45);
  --radius: 3px;

  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

.wrap {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 14px;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
}

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

/* ---------- Utility bar ---------- */
.utility-bar {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}
.utility-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.utility-bar__tag {
  color: var(--accent-ink);
}

/* ---------- Masthead ---------- */
.masthead {
  padding: 40px 0 26px;
  border-bottom: 3px double var(--ink);
  position: relative;
}
.masthead__inner {
  text-align: center;
}
.masthead__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.masthead__logo {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.4rem, 11vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: -0.015em;
}
.masthead__logo-mark {
  width: clamp(22px, 4vw, 40px);
  height: clamp(22px, 4vw, 40px);
  flex: none;
  border: 3px solid var(--accent);
  border-radius: 50%;
  position: relative;
}
.masthead__logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.masthead__sub {
  max-width: 52ch;
  margin: 18px auto 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

/* ---------- Toolbar ---------- */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(243, 239, 230, 0.94);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.toolbar__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px auto;
  align-items: end;
  gap: 18px;
  padding: 16px 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field__label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.field__control {
  position: relative;
  display: block;
}
.field__icon {
  position: absolute;
  left: 13px;
  top: 50%;
  width: 18px;
  height: 18px;
  transform: translateY(-50%);
  color: var(--ink-faint);
  pointer-events: none;
}
.field input[type="search"],
.field select {
  width: 100%;
  min-height: 48px;
  padding: 11px 14px;
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.3;
  appearance: none;
}
.field input[type="search"] {
  padding-left: 42px;
}
.field input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
}
.field input::placeholder {
  color: var(--ink-faint);
}
.field select {
  padding-right: 42px;
  cursor: pointer;
}
.field__chevron {
  position: absolute;
  right: 15px;
  top: 50%;
  width: 12px;
  height: 8px;
  transform: translateY(-50%);
  color: var(--ink-soft);
  pointer-events: none;
}
.field input:focus-visible,
.field select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
  border-color: var(--focus);
}

.toolbar__action {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 15px;
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.toggle-btn:hover {
  border-color: var(--ink-soft);
}
.toggle-btn__icon {
  width: 18px;
  height: 18px;
}
.toggle-btn__count {
  font-family: var(--mono);
  font-size: 11px;
  min-width: 20px;
  padding: 1px 6px;
  text-align: center;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-soft);
}
.toggle-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.toggle-btn[aria-pressed="true"] .toggle-btn__icon path {
  fill: currentColor;
}
.toggle-btn[aria-pressed="true"] .toggle-btn__count {
  background: rgba(243, 239, 230, 0.2);
  color: var(--paper);
}

/* ---------- Results ---------- */
.results {
  padding: 42px 0 64px;
}
.results__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  margin-bottom: 30px;
}
.results__heading {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
}
.results__status {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-faint);
}

/* ---------- Story grid ---------- */
.stories {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px 30px;
}

.story {
  display: flex;
}

.card {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -14px rgba(27, 26, 23, 0.4);
}
.card:focus-within {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.card__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  background: var(--paper-2);
  overflow: hidden;
}
.card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.02);
  transition: transform 0.5s ease;
}
.card:hover .card__img {
  transform: scale(1.04);
}
.card__category {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--accent-ink);
  border: 1px solid var(--rule-strong);
  padding: 4px 8px;
  border-radius: 2px;
}

.card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px 20px 22px;
}
.card__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.46rem;
  line-height: 1.14;
  letter-spacing: -0.005em;
}
.card__open {
  all: unset;
  cursor: pointer;
  display: inline;
  color: inherit;
  font: inherit;
  text-align: left;
}
.card__open::after {
  content: "";
  position: absolute;
  inset: 0;
}
.card__summary {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.97rem;
  line-height: 1.55;
}
.card__meta {
  margin: auto 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.card__cta {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0 4px;
  border: 0;
  background: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  border-bottom: 1.5px solid transparent;
}
.card__cta svg {
  width: 15px;
  height: 11px;
  transition: transform 0.18s ease;
}
.card__cta:hover {
  border-bottom-color: var(--accent);
}
.card__cta:hover svg {
  transform: translateX(3px);
}

/* Position card relative for the ::after click target */
.card {
  position: relative;
}

/* Lead story treatment */
.story--lead {
  grid-column: span 2;
}
.story--lead .card {
  flex-direction: row;
}
.story--lead .card__media {
  flex: 1 1 52%;
  aspect-ratio: auto;
  min-height: 340px;
}
.story--lead .card__body {
  flex: 1 1 48%;
  padding: 34px 34px 30px;
  justify-content: center;
}
.story--lead .card__title {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  line-height: 1.08;
}
.story--lead .card__summary {
  font-size: 1.06rem;
  max-width: 40ch;
}
.story--lead .card__category {
  top: 16px;
  left: 16px;
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  border: 1px dashed var(--rule-strong);
  border-radius: var(--radius);
  background: var(--card);
  padding: 64px 24px 58px;
  max-width: 560px;
  margin: 0 auto;
}
.empty-state__mark {
  margin: 0 0 6px;
  font-size: 3rem;
  line-height: 1;
  color: var(--rule-strong);
}
.empty-state__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.7rem;
}
.empty-state__text {
  margin: 0 auto 24px;
  max-width: 34ch;
  color: var(--ink-soft);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1.5px solid var(--ink);
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--solid {
  background: var(--ink);
  color: var(--paper);
}
.btn--solid:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.btn--ghost:hover {
  background: var(--paper-2);
}
.btn--save svg {
  width: 18px;
  height: 18px;
}
.btn--save[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn--save[aria-pressed="true"] svg path {
  fill: currentColor;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 3px double var(--ink);
  background: var(--paper-2);
  padding: 40px 0 54px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "logo note"
    "logo small";
  gap: 6px 40px;
  align-items: start;
}
.site-footer__logo {
  grid-area: logo;
  margin: 0;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
}
.site-footer__note {
  grid-area: note;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  max-width: 70ch;
}
.site-footer__small {
  grid-area: small;
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ============================================================
   DETAIL VIEW
   ============================================================ */
.detail {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 28px;
}
.detail__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 15, 0.6);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: fade-in 0.2s ease both;
}
.detail__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(940px, 100%);
  max-height: min(920px, 100%);
  background: var(--card);
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: rise 0.26s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}
.detail.is-closing {
  animation: none;
}
.detail.is-closing .detail__panel {
  animation: sink 0.16s ease both;
}
.detail.is-closing .detail__backdrop {
  animation: fade-out 0.16s ease both;
}

.detail__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px 12px 22px;
  border-bottom: 1px solid var(--rule);
  background: var(--card);
  flex: none;
}
.detail__eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.detail__close {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1.5px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
}
.detail__close:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.detail__close svg {
  width: 13px;
  height: 13px;
}

.detail__scroll {
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.detail__hero {
  margin: 0;
  position: relative;
  background: var(--paper-2);
}
.detail__img {
  width: 100%;
  height: clamp(220px, 34vh, 380px);
  object-fit: cover;
  filter: saturate(0.88) contrast(1.02);
}
.detail__caption {
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(243, 239, 230, 0.9);
  color: var(--ink-soft);
  padding: 4px 8px;
  border-radius: 2px;
}
.detail__content {
  padding: 38px clamp(22px, 6vw, 66px) 48px;
  max-width: 760px;
  margin-inline: auto;
  width: 100%;
}
.detail__title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}
.detail__byline {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.detail__standfirst {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink-soft);
}
.detail__prose p {
  margin: 0 0 1.25em;
  font-size: 1.09rem;
  line-height: 1.75;
}
.detail__prose p:first-child::first-letter {
  float: left;
  font-family: var(--serif);
  font-size: 3.6em;
  line-height: 0.78;
  padding: 0.06em 0.1em 0 0;
  color: var(--accent-ink);
}
.detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(22px) scale(0.985); }
  to { opacity: 1; transform: none; }
}
@keyframes sink {
  from { opacity: 1; transform: none; }
  to { opacity: 0; transform: translateY(14px) scale(0.99); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .stories {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .story--lead {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }
  .wrap {
    width: min(1200px, 100% - 32px);
  }
  .masthead {
    padding: 28px 0 20px;
  }
  .masthead__logo {
    gap: 12px;
  }
  .masthead__sub {
    font-size: 0.95rem;
    margin-top: 14px;
  }
  .toolbar__inner {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 13px 0;
  }
  .field--search {
    grid-column: 1 / -1;
  }
  .toolbar__action {
    grid-column: 1 / -1;
  }
  .toggle-btn {
    width: 100%;
    justify-content: center;
  }

  .results {
    padding: 30px 0 48px;
  }
  .results__head {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
  .stories {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }
  .story--lead {
    grid-column: auto;
  }
  .story--lead .card {
    flex-direction: column;
  }
  .story--lead .card__media {
    flex: none;
    aspect-ratio: 16 / 10;
    min-height: 0;
  }
  .story--lead .card__body {
    padding: 22px 20px 24px;
  }
  .story--lead .card__title {
    font-size: 1.6rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "logo"
      "note"
      "small";
    gap: 14px;
  }

  .detail {
    padding: 0;
    align-items: stretch;
  }
  .detail__panel {
    width: 100%;
    max-height: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
  }
  .detail__content {
    padding: 28px 20px 40px;
  }
  .detail__actions {
    position: sticky;
    bottom: 0;
    background: linear-gradient(to top, var(--card) 72%, rgba(251, 248, 241, 0));
    margin-top: 26px;
    padding: 18px 0 4px;
    border-top: 0;
  }
  .detail__actions .btn {
    flex: 1;
  }
}

@media (max-width: 400px) {
  .masthead__logo {
    font-size: 3rem;
  }
  .detail__close-text {
    display: none;
  }
  .detail__close {
    padding: 9px;
  }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .card:hover {
    transform: none;
  }
  .card:hover .card__img {
    transform: none;
  }
}