/* ═══════════════════════════════════════════════════════════════
   ছাত্রকন্ঠ — Global Design System
   base.css
═══════════════════════════════════════════════════════════════ */

:root {
  /* Palette */
  --ck-ink:          #0d0d0d;
  --ck-ink-soft:     #2a2a2a;
  --ck-ink-muted:    #636363;
  --ck-ink-faint:    #a0a0a0;
  --ck-paper:        #fafaf8;
  --ck-paper-warm:   #f4f2ed;
  --ck-paper-mid:    #ece9e1;
  --ck-accent:       #b5271d;
  --ck-accent-dim:   #8c1e15;
  --ck-gold:         #a07820;
  --ck-border:       #e0ddd6;
  --ck-border-dark:  #b8b4ac;

  /* Typography */
  --ck-font-display: 'Playfair Display', 'DM Serif Display', Georgia, serif;
  --ck-font-serif:   'Lora', Georgia, serif;
  --ck-font-ui:      'Hind Siliguri', sans-serif;

  /* Spacing / Shape */
  --ck-radius:    3px;
  --ck-radius-md: 6px;
  --ck-radius-lg: 10px;

  /* Shadows */
  --ck-shadow-xs: 0 1px 3px rgba(0,0,0,.06);
  --ck-shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --ck-shadow-md: 0 6px 20px rgba(0,0,0,.10);
  --ck-shadow-lg: 0 12px 40px rgba(0,0,0,.14);

  /* Layout */
  --ck-max-w: 1300px;
  --ck-transition: 200ms cubic-bezier(.4,0,.2,1);
  --ck-transition-slow: 380ms cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ck-font-ui);
  background: var(--ck-paper);
  color: var(--ck-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

/* ── Layout utilities ── */
.ck-container {
  width: 100%;
  max-width: var(--ck-max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}
.ck-main { flex: 1; }

/* ── Selection ── */
::selection { background: #fde68a; color: var(--ck-ink); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--ck-paper-warm); }
::-webkit-scrollbar-thumb { background: var(--ck-border-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ck-ink-muted); }

/* ── Page fade-in ── */
@keyframes ck-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ck-main { animation: ck-fadein .3s ease both; }

/* ── Shared meta row ── */
.ck-meta {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
}
.ck-meta-author {
  display: flex;
  align-items: center;
  gap: .38rem;
  font-size: .75rem;
  font-weight: 600;
  color: var(--ck-ink-soft);
  font-family: var(--ck-font-ui);
}
.ck-meta-avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  object-fit: cover;
}
.ck-meta-avatar-placeholder {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--ck-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .62rem;
  color: var(--ck-ink-muted);
  font-weight: 700;
  flex-shrink: 0;
}
.ck-meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ck-border-dark);
  flex-shrink: 0;
}
.ck-meta-date,
.ck-meta-read,
.ck-meta-views {
  font-size: .72rem;
  color: var(--ck-ink-faint);
  font-family: var(--ck-font-ui);
  white-space: nowrap;
}
.ck-meta-views {
  display: flex;
  align-items: center;
  gap: .22rem;
}
.ck-meta-views svg { width: 12px; height: 12px; }

/* ── Tag pill ── */
.ck-tag {
  display: inline-block;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ck-accent);
  font-family: var(--ck-font-ui);
  padding: .15rem .5rem;
  background: rgba(181,39,29,.07);
  border-radius: 2px;
  transition: background var(--ck-transition);
}
.ck-tag:hover { background: rgba(181,39,29,.14); }

/* ── Divider rule ── */
.ck-section-rule {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.6rem;
}
.ck-section-rule__label {
  font-size: .62rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ck-ink);
  font-family: var(--ck-font-ui);
  white-space: nowrap;
  flex-shrink: 0;
}
.ck-section-rule__label--accent { color: var(--ck-accent); }
.ck-section-rule__line {
  flex: 1;
  height: 1px;
  background: var(--ck-border);
}
.ck-section-rule__accent-bar {
  width: 32px;
  height: 2px;
  background: var(--ck-accent);
  flex-shrink: 0;
}