/* demirhanocak.com — tasarım token'ları: bkz. 01-tasarim-tokenlari.md */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #FFFFFF;
  --color-ink: #0A0A0A;
  --color-muted: #8A8A8A;
  --color-rule: #D8D8D8;
  --corner-size: 9px;
  --tilt-1: -1.2deg;
  --tilt-2: 0.8deg;
  --tilt-3: -0.6deg;
  --tilt-4: 1.1deg;
  --tilt-5: -0.9deg;
  --tilt-6: 1.2deg;
  --sidebar-width: 220px;
  --rail-width: 40px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
}

body {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14.5px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { font-family: inherit; font-weight: 700; margin: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

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

.shell {
  display: flex;
  min-height: 100vh;
}

/* ---------- sidebar (desktop) ---------- */

.sidebar {
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--color-rule);
}

.sidebar .wordmark {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 28px;
  display: block;
}

.nav-menu { list-style: none; margin: 0; padding: 0; }
.nav-menu > li { margin-bottom: 4px; }

.nav-menu a.nav-link {
  display: block;
  padding: 6px 0;
  font-size: 13.5px;
}

.nav-menu a.nav-link.is-active { text-decoration: underline; text-underline-offset: 3px; }

.nav-submenu {
  list-style: none;
  margin: 2px 0 8px 10px;
  padding-left: 10px;
  border-left: 1px solid var(--color-rule);
}
.nav-submenu a { display: block; padding: 4px 0; font-size: 12.5px; color: var(--color-muted); }
.nav-submenu a:hover, .nav-submenu a.is-active { color: var(--color-ink); }

.sidebar-foot {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--color-rule);
  font-size: 12px;
  color: var(--color-muted);
}
.sidebar-foot p { margin: 0 0 6px; }
.sidebar-foot a { display: block; margin-bottom: 2px; }
.sidebar-foot a:hover { color: var(--color-ink); }

/* ---------- mobile rail ---------- */

.mobile-rail {
  display: none;
}

/* Her zaman (mobil VE masaüstü okuma modu) ekran dışında, fixed konumda dursun —
   media query içine hapsedilirse masaüstünde normal akışta görünür olup
   sidebar'ın altında/üstünde ikinci bir menü gibi tekrar eder. */
.mobile-panel {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: min(320px, 86vw);
  background: var(--color-bg);
  border-right: 1px solid var(--color-rule);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  z-index: 40;
  padding: 24px 20px;
  overflow-y: auto;
}
.mobile-panel.is-open { transform: translateX(0); }
.mobile-panel .nav-submenu { display: block; }

@media (max-width: 860px) {
  .sidebar { display: none; }

  .mobile-rail {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--rail-width);
    border-right: 1px solid var(--color-rule);
    background: var(--color-bg);
    z-index: 30;
    cursor: pointer;
  }
  .mobile-rail span {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 12px;
    letter-spacing: 0.08em;
  }

  .main-content { margin-left: var(--rail-width); }
}

/* ---------- content area ---------- */

.main-content {
  flex: 1;
  min-width: 0;
  padding: 28px 32px 60px;
}

/* reading mode: sidebar shrinks to rail even on desktop, per 03-mobil-menu.md */
body.reading .sidebar { display: none; }
body.reading .mobile-rail { display: flex; }
body.reading .main-content { margin-left: var(--rail-width); }

/* ---------- corner marks (01-tasarim-tokenlari.md) ---------- */

.corner-marked { position: relative; }
.corner-marked::before,
.corner-marked::after {
  content: '';
  position: absolute;
  width: var(--corner-size);
  height: var(--corner-size);
  border-color: var(--color-ink);
  border-style: solid;
  pointer-events: none;
}
.corner-marked::before {
  top: -1px; left: -1px;
  border-width: 1.5px 0 0 1.5px;
}
.corner-marked::after {
  bottom: -1px; right: -1px;
  border-width: 0 1.5px 1.5px 0;
}

/* ---------- chaos grid (home) ---------- */

.chaos-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.grid-box {
  position: relative;
  border: 1px solid var(--color-rule);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  transform: rotate(var(--tilt, 0deg));
  transition: transform 0.2s ease;
  grid-column: span 4;
}
.grid-box:hover { transform: rotate(0deg); z-index: 2; }

.grid-box--lead { grid-column: span 8; }
@media (max-width: 720px) {
  .grid-box, .grid-box--lead { grid-column: span 12; }
}

.grid-box img { width: 100%; height: 100%; object-fit: cover; }

.grid-box .note-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 55%;
  background: rgba(255,255,255,0.96);
  border-left: 1px solid var(--color-rule);
  padding: 14px;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.grid-box:hover .note-panel { clip-path: inset(0 0 0 0); }
.note-panel .note-title { font-size: 13px; font-weight: 700; }
.note-panel .note-desc { font-size: 12px; color: var(--color-muted); line-height: 1.6; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-rule);
  margin-top: 48px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  font-size: 12.5px;
}
.site-footer h4 { font-size: 12px; color: var(--color-muted); font-weight: 600; margin-bottom: 8px; }
.site-footer .other-sites a { display: block; margin-bottom: 4px; }
.site-footer .other-sites small { display: block; color: var(--color-muted); }

/* ---------- post page ---------- */

.reading-column {
  max-width: 660px;
  margin: 0 auto;
  padding: 20px 0 60px;
}
.post-meta { font-size: 12px; color: var(--color-muted); margin-bottom: 8px; }
.post-title { font-size: 24px; line-height: 1.35; margin-bottom: 20px; }
.post-cover { margin-bottom: 28px; }
.post-cover img { width: 100%; }
.post-body { font-size: 14.5px; line-height: 1.85; }
.post-body p { margin: 0 0 1.4em; }

/* ---------- poll ---------- */

.poll {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--color-rule);
}
.poll-question { font-weight: 700; margin-bottom: 16px; }
.poll-option { margin-bottom: 14px; }
.poll-option button {
  all: unset;
  cursor: pointer;
  display: block;
  width: 100%;
}
.poll-option-label { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.poll-bar {
  position: relative;
  height: 14px;
  background-image: radial-gradient(circle, var(--color-ink) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.35;
  border: 1px solid var(--color-rule);
}
.poll-bar .poll-bar-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  background-image: radial-gradient(circle, var(--color-ink) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 1;
}
.poll-voted-note { font-size: 12px; color: var(--color-muted); margin-top: 10px; }

/* ---------- share marks ---------- */

.share-marks { display: flex; gap: 14px; margin-top: 24px; align-items: center; }
.share-marks button, .share-marks a {
  all: unset;
  cursor: pointer;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
}
.share-marks svg { width: 18px; height: 18px; }
.share-copied {
  font-size: 11px;
  color: var(--color-muted);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.share-copied.is-visible { opacity: 1; }

/* ---------- forms ---------- */

.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 12.5px; color: var(--color-muted); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  border: 1px solid var(--color-rule);
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: inherit;
  font-size: 13.5px;
  padding: 10px 12px;
  border-radius: 0;
}
.form-field textarea { min-height: 140px; resize: vertical; }
.btn {
  display: inline-block;
  border: 1px solid var(--color-ink);
  background: var(--color-ink);
  color: var(--color-bg);
  font-family: inherit;
  font-size: 13px;
  padding: 10px 18px;
  cursor: pointer;
}
.btn:hover { background: var(--color-bg); color: var(--color-ink); }
.btn-outline { background: transparent; color: var(--color-ink); }

.alert { border: 1px solid var(--color-rule); padding: 12px 14px; font-size: 13px; margin-bottom: 16px; }
.alert-error { border-color: var(--color-ink); }

/* ---------- gallery ---------- */

.gallery-filter { display: flex; gap: 16px; margin-bottom: 20px; font-size: 12.5px; }
.gallery-filter a.is-active { text-decoration: underline; }

/* ---------- legal / plain pages ---------- */

.plain-page { max-width: 720px; }
.plain-page h1 { font-size: 20px; margin-bottom: 20px; }
.plain-page h2 { font-size: 15px; margin: 24px 0 10px; }
.plain-page p { margin: 0 0 1.2em; }