@import url('https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,300..900;1,300..900&family=JetBrains+Mono:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:             #f0f4f8;
  --bg-card:        #ffffff;
  --bg-nav:         #ffffff;
  --bg-hover:       #f7f9fc;
  --bg-input:       #ffffff;
  --text-1:         #0d1b2a;
  --text-2:         #4a5568;
  --text-3:         #8898a8;
  --border:         #dde3eb;
  --border-focus:   #3b82f6;
  --accent:         #2563eb;
  --accent-h:       #1d4ed8;
  --accent-bg:      #eff6ff;
  --focus-ring:     0 0 0 3px rgba(59,130,246,0.35);

  --d-bg:           rgba(220,38,38,0.04);
  --d-border:       rgba(220,38,38,0.22);
  --d-badge-bg:     #fef2f2;
  --d-badge-fg:     #dc2626;
  --d-dot:          #ef4444;

  --m-bg:           rgba(234,88,12,0.04);
  --m-border:       rgba(234,88,12,0.22);
  --m-badge-bg:     #fff7ed;
  --m-badge-fg:     #c2410c;
  --m-dot:          #f97316;

  --i-bg:           rgba(37,99,235,0.04);
  --i-border:       rgba(37,99,235,0.20);
  --i-badge-bg:     #eff6ff;
  --i-badge-fg:     #2563eb;
  --i-dot:          #60a5fa;

  --r-bg:           rgba(22,163,74,0.04);
  --r-border:       rgba(22,163,74,0.22);
  --r-badge-bg:     #f0fdf4;
  --r-badge-fg:     #15803d;
  --r-dot:          #22c55e;

  --svc-ok:         #22c55e;
  --svc-deg:        #f59e0b;
  --svc-out:        #ef4444;

  --ban-ok-bg:      #ecfdf5;
  --ban-ok-fg:      #065f46;
  --ban-ok-b:       rgba(16,185,129,0.3);
  --ban-d-bg:       #fef2f2;
  --ban-d-fg:       #991b1b;
  --ban-d-b:        rgba(239,68,68,0.3);
  --ban-m-bg:       #fff7ed;
  --ban-m-fg:       #92400e;
  --ban-m-b:        rgba(249,115,22,0.3);
  --ban-x-bg:       #fdf4ff;
  --ban-x-fg:       #6b21a8;
  --ban-x-b:        rgba(168,85,247,0.3);

  --radius-s:       6px;
  --radius:         10px;
  --radius-l:       14px;
  --shadow-s:       0 1px 2px rgba(0,0,0,0.05);
  --shadow:         0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-m:       0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.05);
  --shadow-modal:   0 20px 60px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.10);

  --max-w:          780px;
  --nav-h:          60px;
  --font:           'Figtree', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;
  --tr:             180ms ease;
}

[data-theme="dark"] {
  --bg:             #0c1524;
  --bg-card:        #162032;
  --bg-nav:         #162032;
  --bg-hover:       #1d2d42;
  --bg-input:       #1d2d42;
  --text-1:         #e8f0f8;
  --text-2:         #8ba8c4;
  --text-3:         #4d6a85;
  --border:         #243447;
  --border-focus:   #60a5fa;
  --accent:         #60a5fa;
  --accent-h:       #93c5fd;
  --accent-bg:      rgba(96,165,250,0.1);
  --focus-ring:     0 0 0 3px rgba(96,165,250,0.35);

  --d-bg:           rgba(248,113,113,0.07);
  --d-border:       rgba(248,113,113,0.26);
  --d-badge-bg:     rgba(248,113,113,0.14);
  --d-badge-fg:     #fca5a5;
  --d-dot:          #f87171;

  --m-bg:           rgba(251,146,60,0.07);
  --m-border:       rgba(251,146,60,0.26);
  --m-badge-bg:     rgba(251,146,60,0.14);
  --m-badge-fg:     #fdba74;
  --m-dot:          #fb923c;

  --i-bg:           rgba(96,165,250,0.07);
  --i-border:       rgba(96,165,250,0.24);
  --i-badge-bg:     rgba(96,165,250,0.14);
  --i-badge-fg:     #93c5fd;
  --i-dot:          #60a5fa;

  --r-bg:           rgba(74,222,128,0.07);
  --r-border:       rgba(74,222,128,0.26);
  --r-badge-bg:     rgba(74,222,128,0.14);
  --r-badge-fg:     #86efac;
  --r-dot:          #4ade80;

  --svc-ok:         #4ade80;
  --svc-deg:        #fbbf24;
  --svc-out:        #f87171;

  --ban-ok-bg:      rgba(74,222,128,0.1);
  --ban-ok-fg:      #86efac;
  --ban-ok-b:       rgba(74,222,128,0.3);
  --ban-d-bg:       rgba(248,113,113,0.1);
  --ban-d-fg:       #fca5a5;
  --ban-d-b:        rgba(248,113,113,0.3);
  --ban-m-bg:       rgba(251,146,60,0.1);
  --ban-m-fg:       #fdba74;
  --ban-m-b:        rgba(251,146,60,0.3);
  --ban-x-bg:       rgba(192,132,252,0.1);
  --ban-x-fg:       #d8b4fe;
  --ban-x-b:        rgba(192,132,252,0.3);

  --shadow-s:       0 1px 2px rgba(0,0,0,0.25);
  --shadow:         0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-m:       0 4px 12px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.25);
  --shadow-modal:   0 20px 60px rgba(0,0,0,0.6), 0 8px 20px rgba(0,0,0,0.4);
}

html { font-size: 16px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-s); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-h); text-decoration: underline; }

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

/* ── Nav ─────────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-s);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-1);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex: 1;
}
.nav-brand:hover { color: var(--text-1); text-decoration: none; }
.nav-brand span { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.lang-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tr);
  text-decoration: none;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); text-decoration: none; }
.lang-btn svg { width: 14px; height: 14px; }

.theme-btn {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--tr);
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }
.theme-btn svg { width: 16px; height: 16px; pointer-events: none; }

/* ── Main layout ─────────────────────────────────────── */
.site-main {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

/* ── Status banner ───────────────────────────────────── */
.status-banner {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius);
  border: 1px solid;
  margin-bottom: 1.5rem;
  font-weight: 500;
  font-size: 0.9375rem;
}
.status-banner.operational { background: var(--ban-ok-bg); color: var(--ban-ok-fg); border-color: var(--ban-ok-b); }
.status-banner.disturbance { background: var(--ban-d-bg); color: var(--ban-d-fg); border-color: var(--ban-d-b); }
.status-banner.maintenance { background: var(--ban-m-bg); color: var(--ban-m-fg); border-color: var(--ban-m-b); }
.status-banner.multiple    { background: var(--ban-x-bg); color: var(--ban-x-fg); border-color: var(--ban-x-b); }
.status-banner svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Services grid ───────────────────────────────────── */
.services-section { margin-bottom: 1.75rem; }
.services-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 0.625rem;
}
.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.service-pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  box-shadow: var(--shadow-s);
}
.service-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.service-dot.operational { background: var(--svc-ok); }
.service-dot.degraded    { background: var(--svc-deg); }
.service-dot.outage      { background: var(--svc-out); box-shadow: 0 0 0 2px rgba(239,68,68,0.2); }

/* ── Tabs ────────────────────────────────────────────── */
.tabs-section { margin-bottom: 0; }
.tab-list {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-list::-webkit-scrollbar { display: none; }

.tab-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.125rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--tr);
  white-space: nowrap;
  position: relative;
}
.tab-btn:hover { color: var(--text-1); }
.tab-btn[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn[aria-selected="true"].tab-disturbance { color: var(--d-badge-fg); border-bottom-color: var(--d-badge-fg); }
.tab-btn[aria-selected="true"].tab-maintenance  { color: var(--m-badge-fg); border-bottom-color: var(--m-badge-fg); }
.tab-btn[aria-selected="true"].tab-information  { color: var(--i-badge-fg); border-bottom-color: var(--i-badge-fg); }

.tab-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  background: var(--border);
  color: var(--text-3);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  transition: all var(--tr);
}
.tab-btn[aria-selected="true"] .tab-count { background: var(--accent-bg); color: var(--accent); }
.tab-btn[aria-selected="true"].tab-disturbance .tab-count { background: var(--d-badge-bg); color: var(--d-badge-fg); }
.tab-btn[aria-selected="true"].tab-maintenance  .tab-count { background: var(--m-badge-bg); color: var(--m-badge-fg); }
.tab-btn[aria-selected="true"].tab-information  .tab-count { background: var(--i-badge-bg); color: var(--i-badge-fg); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Entries / Accordions ───────────────────────────── */
.entries-list { display: flex; flex-direction: column; gap: 0.625rem; }

.entry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-s);
  overflow: hidden;
  transition: box-shadow var(--tr);
}
.entry-card:hover { box-shadow: var(--shadow); }

.entry-card.type-disturbance { background: var(--d-bg); border-color: var(--d-border); }
.entry-card.type-maintenance  { background: var(--m-bg); border-color: var(--m-border); }
.entry-card.type-information  { background: var(--i-bg); border-color: var(--i-border); }
.entry-card.status-resolved   { background: var(--r-bg); border-color: var(--r-border); }

.entry-header {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.875rem 1.0625rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font);
}
.entry-header::-webkit-details-marker { display: none; }

.entry-badges { display: flex; align-items: center; gap: 0.375rem; flex-shrink: 0; }

.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.71875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.badge-disturbance { background: var(--d-badge-bg); color: var(--d-badge-fg); }
.badge-maintenance  { background: var(--m-badge-bg); color: var(--m-badge-fg); }
.badge-information  { background: var(--i-badge-bg); color: var(--i-badge-fg); }
.badge-resolved     { background: var(--r-badge-bg); color: var(--r-badge-fg); }
.badge-critical { background: #fef2f2; color: #b91c1c; }
.badge-major    { background: #fff7ed; color: #c2410c; }
.badge-minor    { background: #fefce8; color: #854d0e; }
[data-theme="dark"] .badge-critical { background: rgba(239,68,68,0.15); color: #fca5a5; }
[data-theme="dark"] .badge-major    { background: rgba(249,115,22,0.15); color: #fdba74; }
[data-theme="dark"] .badge-minor    { background: rgba(234,179,8,0.15); color: #fde047; }

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge-dot.pulse {
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@media (prefers-reduced-motion: reduce) {
  .badge-dot.pulse { animation: none; }
}

.entry-title {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.4;
}

.entry-chevron {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: var(--text-3);
  transition: transform var(--tr);
}
.entry-card[open] .entry-chevron { transform: rotate(180deg); }

.entry-body {
  padding: 0 1.0625rem 1.0625rem;
  border-top: 1px solid var(--border);
}
.entry-card.type-disturbance .entry-body { border-top-color: var(--d-border); }
.entry-card.type-maintenance  .entry-body { border-top-color: var(--m-border); }
.entry-card.type-information  .entry-body { border-top-color: var(--i-border); }
.entry-card.status-resolved   .entry-body { border-top-color: var(--r-border); }

.entry-content {
  padding-top: 0.875rem;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}
.entry-content p { margin-bottom: 0.625rem; }
.entry-content p:last-child { margin-bottom: 0; }
.entry-content ul, .entry-content ol { margin: 0.5rem 0 0.625rem 1.25rem; }
.entry-content li { margin-bottom: 0.25rem; }
.entry-content strong { color: var(--text-1); font-weight: 600; }
.entry-content a { color: var(--accent); }

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-3);
}
.entry-card.type-disturbance .entry-meta { border-top-color: var(--d-border); }
.entry-card.type-maintenance  .entry-meta { border-top-color: var(--m-border); }
.entry-card.type-information  .entry-meta { border-top-color: var(--i-border); }
.entry-card.status-resolved   .entry-meta { border-top-color: var(--r-border); }

.meta-item { display: flex; align-items: center; gap: 0.35rem; }
.meta-item svg { width: 13px; height: 13px; flex-shrink: 0; }
.meta-item strong { color: var(--text-2); }
.meta-item time { font-family: var(--font-mono); font-size: 0.775rem; }

.services-list { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.svc-tag {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  font-size: 0.775rem;
  font-weight: 500;
  color: var(--text-2);
}
.svc-tag .service-dot { width: 6px; height: 6px; }

.tags-list { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.5rem; }
.tag-pill {
  padding: 0.15rem 0.55rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ── Timeline ────────────────────────────────────────── */
.timeline-section { margin-top: 1rem; }
.timeline-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-3);
  margin-bottom: 0.625rem;
}
.timeline-list { list-style: none; position: relative; padding-left: 1rem; }
.timeline-list::before {
  content: ''; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 1px; background: var(--border);
}
.timeline-item {
  position: relative;
  padding: 0 0 0.875rem 1rem;
  font-size: 0.8375rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: -4px; top: 5px;
  width: 8px; height: 8px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 50%;
}
.tl-text { color: var(--text-2); line-height: 1.5; }
.tl-meta { color: var(--text-3); font-size: 0.75rem; font-family: var(--font-mono); margin-top: 0.2rem; }

/* ── No entries ──────────────────────────────────────── */
.no-entries {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-3);
  font-size: 0.9rem;
}
.no-entries svg { width: 36px; height: 36px; margin-bottom: 0.75rem; opacity: 0.4; }

/* ── Subscribe button ────────────────────────────────── */
.subscribe-section { margin-top: 2rem; text-align: center; }
.subscribe-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6875rem 1.375rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  transition: all var(--tr);
  box-shadow: var(--shadow-s);
}
.subscribe-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.subscribe-btn svg { width: 16px; height: 16px; }

/* ── Modal ───────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,20,40,0.55);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; transition: opacity var(--tr);
}
.modal-backdrop.visible { opacity: 1; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-modal);
  width: 100%; max-width: 460px;
  transform: translateY(12px); transition: transform var(--tr);
}
.modal-backdrop.visible .modal-box { transform: translateY(0); }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.375rem 0;
}
.modal-header h2 { font-size: 1.0625rem; font-weight: 700; color: var(--text-1); }
.modal-close {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none;
  color: var(--text-3); cursor: pointer;
  border-radius: var(--radius-s);
  transition: all var(--tr);
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-1); }
.modal-close svg { width: 16px; height: 16px; }

.modal-body { padding: 1rem 1.375rem 1.375rem; }
.modal-desc { font-size: 0.875rem; color: var(--text-2); margin-bottom: 1.125rem; line-height: 1.55; }

.form-field { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.8375rem; font-weight: 600; color: var(--text-2); margin-bottom: 0.4rem; }
.form-input {
  width: 100%;
  padding: 0.6rem 0.875rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-1);
  transition: border-color var(--tr), box-shadow var(--tr);
}
.form-input:focus { outline: none; border-color: var(--border-focus); box-shadow: var(--focus-ring); }
.form-input::placeholder { color: var(--text-3); }
.form-input.error { border-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.2); }

.check-group { display: flex; flex-direction: column; gap: 0.5rem; }
.check-label {
  display: flex; align-items: center; gap: 0.625rem;
  cursor: pointer; font-size: 0.875rem; color: var(--text-2);
  padding: 0.5rem 0.625rem;
  border-radius: var(--radius-s);
  transition: background var(--tr);
}
.check-label:hover { background: var(--bg-hover); }
.check-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.form-error {
  font-size: 0.8rem; color: #dc2626; margin-top: 0.35rem;
  display: none;
}
[data-theme="dark"] .form-error { color: #f87171; }
.form-error.visible { display: block; }

.form-success {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.75rem 0.875rem;
  background: var(--r-bg);
  border: 1px solid var(--r-border);
  border-radius: var(--radius-s);
  font-size: 0.875rem;
  color: var(--r-badge-fg);
  margin-bottom: 1rem;
  display: none;
}
.form-success.visible { display: flex; }
.form-success svg { width: 16px; height: 16px; flex-shrink: 0; }

.modal-footer {
  display: flex; gap: 0.625rem; justify-content: flex-end;
  margin-top: 1.125rem;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5625rem 1.125rem;
  border-radius: var(--radius-s);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tr);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }
.btn-ghost {
  background: none;
  color: var(--text-2);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-1); }

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-3);
}
.site-footer a { color: var(--text-3); }
.site-footer a:hover { color: var(--accent); }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 640px) {
  .site-main { padding: 1.25rem 1rem 2.5rem; }
  .tab-btn { padding: 0.625rem 0.875rem; font-size: 0.85rem; }
  .entry-header { padding: 0.75rem 0.875rem; }
  .entry-body { padding: 0 0.875rem 0.875rem; }
  .nav-inner { padding: 0 1rem; }
  .modal-header, .modal-body { padding-left: 1.125rem; padding-right: 1.125rem; }
  .modal-header { padding-top: 1rem; }
  .lang-btn { padding: 0.28rem 0.6rem; font-size: 0.77rem; }
}