:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f7f8fb;
  --ink: #13244a;
  --ink-2: #495976;
  --muted: #8e95a8;
  --line: #ebedf2;
  --line-strong: #d4d8e2;

  --accent: #1e3a7a;
  --accent-deep: #122557;
  --accent-soft: #e4e9f5;

  --orange: #e8671b;
  --orange-deep: #c4520e;
  --orange-soft: #fdece0;

  --earth: #8a5a2b;
  --earth-soft: #f3e6d3;
  --steel: #4a6680;
  --steel-soft: #dee5ed;
  --wine: #8a3346;
  --wine-soft: #f0dde2;
  --snow: #6b8a9c;
  --snow-soft: #e1ebf1;

  --like: #d83a4a;
  --chip-bg: #eef1f7;
  --radius: 14px;

  --paid: #1e3a7a;
  --pending: #e8671b;
  --inactive: #e6e8ee;
}

* { box-sizing: border-box }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 0 28px;
  height: 60px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 18px; letter-spacing: -0.01em;
}
.brand .logo { height: 60px; width: auto; flex-shrink: 0; }
.brand a { display: flex; }
.topbar .sub { font-size: 13px; color: var(--muted); }
.top-actions {
  margin-left: auto;
  display: flex; align-items: center; gap: 10px;
}
.search {
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 7px 14px; font-size: 13px; color: var(--ink-2); background: var(--surface-2);
  width: 220px; outline: none;
}
.search::placeholder { color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
}
.btn.primary { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn.primary:hover { background: var(--orange-deep); border-color: var(--orange-deep); }
.btn.ghost { background: transparent; }

/* Layout */
.wrap {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 0;
  max-width: 1280px; margin: 0 auto;
}

/* Sidebar */
.sidebar {
  padding: 22px 16px 40px;
  border-right: 1px solid var(--line);
  position: sticky; top: 60px; align-self: start;
  height: calc(100vh - 60px); overflow: auto;
}
.nav-group { margin-bottom: 22px; }
.nav-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin: 0 10px 8px; font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; border-radius: 10px;
  font-size: 14px; color: var(--ink); cursor: pointer;
  font-weight: 500;
}
.nav-item:hover { background: var(--surface-2); }
.nav-item.active {
  background: var(--accent-soft); font-weight: 600; color: var(--accent-deep);
}
.nav-item.active .ico { color: var(--accent); }
.nav-item .ico {
  width: 18px; height: 18px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-2);
}
.nav-item .ico svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.nav-item .count { margin-left: auto; font-size: 12px; color: var(--muted); font-weight: 500; }

/* Feed common */
.feed { padding: 22px 28px 60px; min-width: 0; }
.feed-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.feed-title { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.feed-sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }

/* Breadcrumbs */
.crumbs {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  font-size: 13px; color: var(--muted); margin-bottom: 14px;
}
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--line-strong); }

/* Chip */
.chip {
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 6px 12px; font-size: 13px; font-weight: 500;
  background: var(--surface); color: var(--ink-2); cursor: pointer;
}
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip:hover:not(.on) { background: var(--surface-2); }

/* Panel */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  position: relative;
}
.panel::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent);
}
.panel-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.panel-head h2 {
  margin: 0; font-size: 14px; font-weight: 700;
  letter-spacing: 0.02em; text-transform: uppercase;
}

/* User menu dropdown */
.user-menu { position: relative; }
.user-menu-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 7px 12px; background: var(--surface);
  font-size: 13px; font-weight: 600; color: var(--ink); cursor: pointer;
  font-family: inherit;
}
.user-menu-trigger:hover { background: var(--surface-2); }
.user-menu-trigger svg {
  width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2;
  flex-shrink: 0; transition: transform .15s;
}
.user-menu-trigger[aria-expanded=true] svg { transform: rotate(180deg); }
.user-menu-dropdown {
  display: none;
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 160px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; box-shadow: 0 4px 16px rgba(0,0,0,.08);
  padding: 6px; z-index: 50;
}
.user-menu-dropdown.open { display: block; }
.user-menu-item {
  display: block; width: 100%;
  padding: 8px 12px; border-radius: 7px;
  font-size: 14px; color: var(--ink); text-align: left;
  background: none; border: none; cursor: pointer; font-family: inherit;
}
.user-menu-item:hover { background: var(--surface-2); }

/* Auth — pages */
.auth-form-wrap { max-width: 440px; }
.auth-body { padding: 24px; }

.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 13px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 6px;
}
.field input[type=text],
.field input[type=password] {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--line-strong); border-radius: 8px;
  font-size: 14px; color: var(--ink); background: var(--surface-2);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.field input[type=text]:focus,
.field input[type=password]:focus {
  border-color: var(--accent); background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-hint { display: block; font-size: 12px; color: var(--muted); margin-top: 5px; }
.field-error { display: block; font-size: 12px; color: var(--like); margin-top: 4px; }

.auth-errors {
  list-style: none; padding: 10px 14px; margin: 0 0 18px;
  background: var(--orange-soft); border: 1px solid var(--orange);
  border-radius: 8px; font-size: 13px; color: var(--orange-deep);
}
.auth-btn { width: 100%; justify-content: center; padding: 10px 14px; margin-top: 4px; }
.auth-alt { margin: 16px 0 0; font-size: 13px; color: var(--muted); text-align: center; }
.auth-alt a { color: var(--accent); font-weight: 500; }

/* Footer */
.footer {
  max-width: 1280px; margin: 0 auto;
  padding: 30px 28px 50px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--muted);
}

/* Burger */
.burger {
  display: none;
  width: 40px; height: 40px; flex-shrink: 0;
  align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: 10px;
  background: var(--surface); color: var(--ink); cursor: pointer;
  padding: 0;
}
.burger svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; }
.burger:hover { background: var(--surface-2); }

/* Backdrop */
.backdrop {
  display: none;
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  z-index: 30; opacity: 0; transition: opacity .2s ease;
}
.backdrop.open { display: block; opacity: 1; }

/* Responsive */
@media (max-width: 720px) {
  .wrap { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; gap: 10px; }
  .topbar .sub { display: none; }
  .brand .logo { display: none; }
  .search { display: none; }
  .feed { padding: 16px; }
  .feed-title { font-size: 19px; }
  .burger { display: inline-flex; }

  .sidebar {
    display: block;
    position: fixed; top: 0; left: 0;
    width: 82%; max-width: 320px; height: 100vh;
    background: var(--bg);
    border-right: 1px solid var(--line);
    padding: 20px 14px 40px;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 2px 0 20px rgba(0,0,0,.08);
    overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-head {
    display: flex; align-items: center; justify-content: space-between;
    margin: -4px 4px 14px;
  }
  .sidebar-head .brand { font-size: 17px; }
  .sidebar-close {
    width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line-strong); border-radius: 10px;
    background: var(--surface); cursor: pointer; padding: 0;
  }
  .sidebar-close svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; }
}
@media (min-width: 721px) {
  .sidebar-head { display: none; }
}