:root {
  --color-primary: #1e4e78;
  --color-primary-dark: #163a5a;
  --color-accent: #6b8f47;
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-text: #1c2530;
  --color-text-muted: #5c6b7a;
  --color-border: #dde3e9;
  --color-danger: #c0392b;
  --color-success: #2f8f5b;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20, 30, 40, 0.08), 0 1px 2px rgba(20, 30, 40, 0.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --sidebar-w: 240px;
  --bottomnav-h: 74px;
}

[data-theme="dark"] {
  --color-bg: #10161d;
  --color-surface: #1a222c;
  --color-text: #e7edf3;
  --color-text-muted: #9fb0c0;
  --color-border: #2b3644;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.25; }
p { margin: 0 0 0.75em; }
img { max-width: 100%; display: block; }

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

/* ---------- Sidebar (desktop) ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-list { list-style: none; margin: 0; padding: 10px; flex: 1; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 2px;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item:hover { background: var(--color-bg); color: var(--color-text); }
.nav-item.active { background: var(--color-primary); color: #fff; }
.sidebar-footer { padding: 14px 20px; border-top: 1px solid var(--color-border); font-size: 0.85rem; color: var(--color-text-muted); }

.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar img { width: 28px; height: 28px; border-radius: 7px; }
.topbar-title { font-weight: 700; }

.page { padding: 24px; max-width: 1200px; width: 100%; margin: 0 auto; flex: 1; }
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.page-header h1 { font-size: 1.5rem; }

/* ---------- Bottom nav (mobile) ---------- */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottomnav-h);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -2px 10px rgba(20, 30, 40, 0.06);
  z-index: 30;
  padding-bottom: env(safe-area-inset-bottom);
}
.bottom-nav ul { list-style: none; margin: 0; padding: 0 4px; display: flex; height: 100%; }
.bottom-nav li { flex: 1; }
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; height: 100%; text-decoration: none; color: var(--color-text-muted); font-size: 0.72rem; font-weight: 600;
}
.bottom-nav a svg { width: 24px; height: 24px; }
.bottom-nav a .bn-icon {
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 32px; border-radius: 16px; transition: background 0.15s, color 0.15s;
}
.bottom-nav a.active { color: var(--color-primary); }
.bottom-nav a.active .bn-icon { background: rgba(30, 78, 120, 0.12); }

@media (max-width: 880px) {
  .sidebar { display: none; }
  .topbar { display: flex; }
  .bottom-nav { display: block; }
  .page { padding: 14px 14px calc(var(--bottomnav-h) + 20px); }
}

/* ---------- Cards / grids ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; }
.stat-card .value { font-size: 1.6rem; font-weight: 700; color: var(--color-primary); }
.stat-card .label { color: var(--color-text-muted); font-size: 0.82rem; margin-top: 2px; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.pigeon-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s;
  display: flex; flex-direction: column;
}
.pigeon-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.pigeon-card .photo { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--color-bg); }
.pigeon-card .photo.placeholder { display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 2rem; }
.pigeon-card .body { padding: 12px 14px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.pigeon-card .name { font-weight: 700; }
.pigeon-card .meta { font-size: 0.82rem; color: var(--color-text-muted); }
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 600;
  background: rgba(107, 143, 71, 0.15); color: var(--color-accent);
}
.sex-badge { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.sex-badge.mascul { background: rgba(30, 78, 120, 0.12); color: var(--color-primary); }
.sex-badge.femela { background: rgba(192, 74, 130, 0.12); color: #b6317a; }

/* ---------- Buttons / forms ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
  background: var(--color-primary); color: #fff; font-weight: 600; cursor: pointer;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--color-primary-dark); }
.btn.secondary { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn.secondary:hover { background: var(--color-bg); }
.btn.danger { background: var(--color-danger); }
.btn.danger:hover { background: #9c2a1e; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.icon-btn {
  background: transparent; border: 1px solid var(--color-border); border-radius: 8px;
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  color: var(--color-text-muted);
}
.icon-btn:hover { background: var(--color-bg); color: var(--color-text); }
.icon-btn svg { width: 17px; height: 17px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 5px; }
.field .hint { font-size: 0.76rem; color: var(--color-text-muted); margin-top: 4px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text);
  font-size: 16px; /* keeps iOS Safari from auto-zooming the page on focus */
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.field textarea { resize: vertical; min-height: 70px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-text-muted); background: var(--color-bg); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); }
td.wrap { white-space: normal; }

.rank-badge { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; font-weight: 700; font-size: 0.78rem; background: var(--color-bg); }
.rank-badge.gold { background: #f5d16b; color: #6b4f00; }
.rank-badge.silver { background: #d8dee3; color: #45525c; }
.rank-badge.bronze { background: #e3ab7b; color: #5b3417; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(10, 15, 20, 0.5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 30px 16px; overflow-y: auto; z-index: 100;
}
.modal {
  background: var(--color-surface); border-radius: var(--radius); width: 100%; max-width: 620px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--color-border); }
.modal-header h2 { font-size: 1.15rem; }
.modal-body { padding: 20px; max-height: 70vh; overflow-y: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--color-border); }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 880px) { .toast-wrap { bottom: calc(var(--bottomnav-h) + 16px); right: 12px; left: 12px; } }
.toast { background: var(--color-text); color: var(--color-surface); padding: 12px 16px; border-radius: 9px; box-shadow: var(--shadow); font-size: 0.88rem; }
.toast.error { background: var(--color-danger); }
.toast.success { background: var(--color-success); }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 50px 20px; color: var(--color-text-muted); }
.empty-state svg { width: 44px; height: 44px; margin-bottom: 10px; opacity: 0.5; }

/* ---------- Pedigree tree ---------- */
.pedigree-tree-wrap { overflow: auto; padding: 10px 0; }
.pedigree-tree { display: flex; align-items: center; gap: 22px; min-width: max-content; padding: 10px; }
.ped-gen { display: flex; flex-direction: column; justify-content: space-around; gap: 14px; }
.ped-node {
  background: var(--color-surface); border: 1.5px solid var(--color-border); border-radius: 10px;
  padding: 8px 10px; width: 168px; font-size: 0.78rem; cursor: pointer; position: relative;
}
.ped-node:hover { border-color: var(--color-primary); }
.ped-node .n-name { font-weight: 700; font-size: 0.85rem; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ped-node .n-meta { color: var(--color-text-muted); }
.ped-node.empty { border-style: dashed; color: var(--color-text-muted); display: flex; align-items: center; justify-content: center; opacity: 0.6; }
.ped-node.root { border-color: var(--color-primary); border-width: 2px; }

/* ---------- Filters bar ---------- */
.filters-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: flex-end; }
.filters-bar .field { margin-bottom: 0; min-width: 150px; }
.search-input { position: relative; flex: 1; min-width: 180px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 18px; }
.tab-btn { padding: 10px 16px; background: none; border: none; border-bottom: 2px solid transparent; cursor: pointer; color: var(--color-text-muted); font-weight: 600; }
.tab-btn.active { color: var(--color-primary); border-color: var(--color-primary); }

.loading-spinner { width: 22px; height: 22px; border: 3px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

.detail-grid { display: grid; grid-template-columns: 260px 1fr; gap: 20px; }
@media (max-width: 760px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-photo { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: var(--radius); background: var(--color-bg); border: 1px solid var(--color-border); }
.kv-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.kv-list .kv { display: flex; justify-content: space-between; gap: 10px; font-size: 0.88rem; border-bottom: 1px dashed var(--color-border); padding-bottom: 6px; }
.kv-list .kv span:first-child { color: var(--color-text-muted); }

.color-swatch { width: 18px; height: 18px; border-radius: 5px; display: inline-block; border: 1px solid rgba(0,0,0,0.15); vertical-align: -3px; margin-right: 6px; }
.swatch-row { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch-pick { width: 30px; height: 30px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; }
.swatch-pick.selected { border-color: var(--color-text); }

.category-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--color-border); font-size: 0.85rem; }
.category-chip button { background: none; border: none; cursor: pointer; color: var(--color-text-muted); padding: 0; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; background: var(--color-surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 28px; text-align: center; }
.login-card img { width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 16px; }
.login-card h1 { font-size: 1.35rem; }
.login-card .sub { color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: 22px; }
.login-error { background: rgba(192,57,43,0.1); color: var(--color-danger); padding: 10px 12px; border-radius: 8px; font-size: 0.85rem; margin-bottom: 14px; text-align: left; }

.photo-upload { display: flex; align-items: center; gap: 14px; }
.photo-upload .preview { width: 84px; height: 84px; border-radius: 10px; object-fit: cover; background: var(--color-bg); border: 1px solid var(--color-border); }

.pedigree-list-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--color-border); }
.pedigree-list-item:last-child { border-bottom: none; }

.section-title { font-size: 1rem; font-weight: 700; margin: 26px 0 10px; }
.section-title:first-child { margin-top: 0; }

.link-btn { background: none; border: none; color: var(--color-primary); font-weight: 600; cursor: pointer; padding: 0; }