/* ============================================================
   Green Line — Base: reset, layout, sidebar, topbar
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* subtle grid + radial glow на фоне */
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(22,163,74,.08), transparent 60%),
    radial-gradient(700px 600px at -10% 110%, rgba(202,138,4,.05), transparent 55%),
    linear-gradient(rgba(20,83,45,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,83,45,.028) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
  background-attachment: fixed;
}

a { color: var(--accent-secondary); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent-primary); }

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.02em; }

/* кастомный скроллбар */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cfe3d6; border: 3px solid transparent; background-clip: padding-box; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #b6d4c0; background-clip: padding-box; }
* { scrollbar-width: thin; scrollbar-color: #cfe3d6 transparent; }

::selection { background: rgba(22,163,74,.18); color: var(--text-primary); }

/* ---------- App shell ---------- */
.app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: 260px;
  background: linear-gradient(180deg, #ffffff 0%, #f4fbf6 100%);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 22px 16px 16px;
  position: fixed; inset: 0 auto 0 0;
  z-index: 30;
  transition: width var(--dur) var(--ease), transform var(--dur) var(--ease);
}

/* ---- Brand ---- */
.brand {
  display: flex; align-items: center; gap: 11px;
  padding: 4px 8px 4px;
  font-family: var(--font-display);
  font-size: 21px; font-weight: 700; letter-spacing: -.02em;
  color: var(--text-primary);
}
.brand .leaf {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-deep));
  box-shadow: 0 6px 18px rgba(34,197,94,.35), var(--shadow-inset);
}
.brand .leaf svg { width: 20px; height: 20px; color: var(--on-green); }
.brand-tag {
  padding: 2px 10px 16px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 12px; font-weight: 600; font-style: italic;
  color: var(--accent-gold);
}

/* ---- Nav ---- */
nav { display: flex; flex-direction: column; gap: 3px; margin-top: 4px; overflow-y: auto; }
.nav-link {
  position: relative;
  display: flex; align-items: center; gap: 13px;
  padding: 11px 13px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-weight: 600; font-size: 14.5px;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav-link::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%) scaleY(0);
  width: 3px; height: 60%; border-radius: 0 3px 3px 0;
  background: var(--accent-primary); box-shadow: 0 0 12px var(--accent-primary);
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover {
  background: var(--bg-tertiary); color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--border-soft);
}
.nav-link.active {
  background: linear-gradient(135deg, rgba(34,197,94,.18), rgba(34,197,94,.06));
  color: var(--accent-secondary);
}
.nav-link.active::before { transform: translateY(-50%) scaleY(1); }
.nav-icon { width: 20px; height: 20px; flex: 0 0 auto; display: grid; place-items: center; }
.nav-icon svg { width: 19px; height: 19px; }
.nav-label { transition: opacity .2s var(--ease); }

/* ---- Sidebar footer ---- */
.side-foot { margin-top: auto; padding-top: 12px; }
.src {
  font-size: 11.5px; color: var(--text-muted);
  padding: 12px 10px; border-top: 1px solid var(--border);
}
.src-file { color: var(--text-secondary); margin-top: 4px; word-break: break-word; font-weight: 600; }
.src-date { margin-top: 2px; }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px; margin-top: 6px; border-radius: var(--radius-sm);
  background: var(--bg-tertiary); border: 1px solid var(--border);
}
.user-chip .ava {
  width: 30px; height: 30px; border-radius: 9px; flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 700; font-size: 13px; color: var(--on-green);
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
}
.user-chip .meta { line-height: 1.25; overflow: hidden; }
.user-chip .meta b { font-size: 13px; color: var(--text-primary); display: block; }
.user-chip .meta span { font-size: 11px; color: var(--text-muted); }

/* ---- Collapsed (desktop) ---- */
.sidebar.collapsed { width: 76px; }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .brand-tag,
.sidebar.collapsed .brand span.word,
.sidebar.collapsed .src,
.sidebar.collapsed .user-chip .meta { opacity: 0; pointer-events: none; width: 0; overflow: hidden; }
.sidebar.collapsed .brand { justify-content: center; }
.sidebar.collapsed .nav-link { justify-content: center; padding: 11px; }

.side-collapse {
  position: absolute; top: 24px; right: -12px;
  width: 24px; height: 24px; border-radius: 8px;
  display: grid; place-items: center; cursor: pointer;
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-secondary);
  transition: all var(--dur) var(--ease);
}
.side-collapse:hover { color: var(--accent-primary); border-color: var(--accent-primary); }
.side-collapse svg { width: 14px; height: 14px; transition: transform var(--dur) var(--ease); }
.sidebar.collapsed .side-collapse svg { transform: rotate(180deg); }

/* ---------- Content ---------- */
.content {
  margin-left: 260px; flex: 1;
  padding: 28px 36px 56px;
  width: calc(100% - 260px);
  transition: margin-left var(--dur) var(--ease), width var(--dur) var(--ease);
  min-width: 0;
}
.sidebar.collapsed ~ .content { margin-left: 76px; width: calc(100% - 76px); }

.topbar {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 26px;
  position: sticky; top: 0; z-index: 10;
  padding: 14px 0;
  backdrop-filter: blur(8px);
}
.topbar h1 {
  font-size: 30px; font-weight: 700; letter-spacing: -.03em;
  color: var(--text-primary);
  background: linear-gradient(120deg, #0f2a1c, #15803d);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.burger {
  display: none; cursor: pointer; color: var(--text-primary);
  width: 40px; height: 40px; border-radius: 10px; place-items: center;
  background: var(--bg-secondary); border: 1px solid var(--border);
}
.burger svg { width: 20px; height: 20px; }

/* overlay для мобильного меню */
.scrim {
  display: none; position: fixed; inset: 0; z-index: 25;
  background: var(--scrim); backdrop-filter: blur(2px);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.scrim.show { display: block; opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); width: 260px; box-shadow: var(--shadow-hover); }
  .sidebar.open { transform: translateX(0); }
  .sidebar .side-collapse { display: none; }
  .content, .sidebar.collapsed ~ .content { margin-left: 0; width: 100%; padding: 20px 18px 48px; }
  .burger { display: grid; }
  .topbar h1 { font-size: 24px; }
}