:root {
  --eggshell: #F1ECE0;
  --paper: #FBF8F1;
  --moss: #3E4A34;
  --moss-deep: #2A331F;
  --straw: #C99A3B;
  --sage: #8B9B7A;
  --plum: #6B5169;
  --rust: #A8522E;
  --ink: #2C2A22;
  --line: #D8CFB8;
  --ink-on-accent: #2A331F;
  --muted: #7A7160;
  --muted-lt: #9A9078;
  --shadow: 0 1px 2px rgba(42,51,31,0.05), 0 4px 14px rgba(42,51,31,0.05);
  --shadow-sm: 0 1px 2px rgba(42,51,31,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --theme-transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-theme="dark"] {
  --eggshell: #1E1C17;
  --paper: #29271F;
  --moss: #8FB374;
  --moss-deep: #C8D9B0;
  --straw: #D9AE5C;
  --sage: #A8BE94;
  --plum: #B79AB5;
  --rust: #E08B63;
  --ink: #E7E2D6;
  --line: #3D3A30;
  --muted: #A39B87;
  --muted-lt: #8A8272;
  --shadow: 0 1px 2px rgba(0,0,0,0.2), 0 4px 14px rgba(0,0,0,0.22);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
}

* { transition: var(--theme-transition); }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body { margin: 0; background: var(--eggshell); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.45; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
a { color: var(--moss); }
:focus-visible { outline: 2px solid var(--straw); outline-offset: 2px; }

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

.rail { width: 208px; flex-shrink: 0; background: var(--ink-on-accent); color: #F1ECE0; display: flex; flex-direction: column; padding: 22px 0; position: sticky; top: 0; height: 100vh; }
.rail-brand { display: flex; align-items: center; gap: 10px; padding: 0 18px 18px; border-bottom: 1px solid rgba(241,236,224,0.14); margin-bottom: 14px; }
.rail-brand-mark { font-size: 21px; line-height: 1; }
.rail-brand-title { font-family: Georgia, "Iowan Old Style", serif; font-weight: 700; font-size: 15px; letter-spacing: 0.01em; }
.rail-brand-sub { font-size: 10.5px; opacity: 0.6; text-transform: uppercase; letter-spacing: 0.09em; margin-top: 1px; }
.rail-tabs { display: flex; flex-direction: column; gap: 1px; padding: 0 10px; flex: 1; overflow-y: auto; }
.rail-tab { text-align: left; background: transparent; border: none; border-left: 3px solid transparent; color: rgba(241,236,224,0.72); padding: 9px 12px; font-size: 13.2px; font-weight: 600; letter-spacing: 0.01em; border-radius: 0 8px 8px 0; cursor: pointer; text-decoration: none; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.rail-tab:hover { background: rgba(241,236,224,0.08); color: #F1ECE0; }
.rail-tab.active { background: rgba(241,236,224,0.13); color: #F1ECE0; border-left-color: var(--tint, var(--straw)); }
.rail-tab.locked { color: rgba(241,236,224,0.35); cursor: default; }
.rail-tab .lock-badge { font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase; background: rgba(241,236,224,0.12); padding: 2px 6px; border-radius: 20px; font-weight: 700; }
.rail-foot { padding: 14px 18px 0; border-top: 1px solid rgba(241,236,224,0.14); margin-top: 12px; font-size: 11.5px; opacity: 0.7; }
.rail-foot-farm { font-weight: 700; opacity: 0.95; font-size: 12.5px; margin-bottom: 2px; }
.rail-foot-tier { display: inline-block; margin-top: 6px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; padding: 2px 8px; border-radius: 20px; background: rgba(201,154,59,0.25); color: #F1ECE0; }
.rail-foot-date { font-family: ui-monospace, monospace; margin-top: 2px; }
.rail-foot a { color: rgba(241,236,224,0.85); }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; flex-shrink: 0; border-radius: 50%;
  background: rgba(241,236,224,0.08); border: 1px solid rgba(241,236,224,0.2);
  color: #F1ECE0; cursor: pointer; padding: 0;
}
.theme-toggle:hover { background: rgba(241,236,224,0.18); }
.theme-toggle svg { width: 15px; height: 15px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.ledger-page { flex: 1; padding: 34px 42px; max-width: 1180px; }

.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; flex-wrap: wrap; gap: 10px; }
.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--straw); font-weight: 700; margin-bottom: 3px; }
.ledger-title { font-family: Georgia, "Iowan Old Style", serif; font-size: 27px; font-weight: 700; margin: 0; color: var(--moss-deep); letter-spacing: -0.01em; }

.action-row { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-primary, button.btn-primary, input[type=submit].btn-primary { background: var(--straw); color: var(--ink-on-accent); border: none; padding: 9px 16px; border-radius: var(--radius-sm); font-weight: 700; font-size: 13.5px; cursor: pointer; box-shadow: var(--shadow-sm); }
.btn-primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-ghost { background: transparent; border: 1.5px solid var(--line); color: var(--ink); padding: 8px 14px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13.5px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn-ghost:hover { background: rgba(62,74,52,0.06); }
.btn-danger { background: transparent; border: 1.5px solid rgba(168,82,46,0.4); color: var(--rust); padding: 8px 14px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13.5px; cursor: pointer; }
.btn-danger:hover { background: rgba(168,82,46,0.08); }
.btn-block { width: 100%; display: block; text-align: center; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-label { font-size: 11.5px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-family: Georgia, serif; font-size: 29px; font-weight: 700; color: var(--moss-deep); margin: 4px 0 2px; }
.stat-sub { font-size: 12px; color: var(--muted); }

.chart-row { display: flex; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.chart-row > .ledger-card { flex: 1; min-width: 280px; }
.card-title { font-weight: 700; font-size: 13.5px; color: var(--moss-deep); margin-bottom: 10px; }
.card-title-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; flex-wrap: wrap; gap: 8px; }
.farm-id-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.farm-id-value { font-family: Georgia, serif; font-weight: 700; font-size: 20px; color: var(--moss-deep); margin-top: 2px; }
.card-title-row .card-title { margin-bottom: 0; }

.ledger-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }

.empty-state { color: var(--muted-lt); font-size: 13.5px; font-style: italic; padding: 10px 4px; }

.breed-group { margin-bottom: 22px; }
.breed-group-label { font-weight: 700; font-size: 13.5px; border-left: 4px solid; padding-left: 10px; margin-bottom: 10px; color: var(--moss-deep); }
.breed-count { color: var(--muted); font-weight: 500; }

.bird-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.bird-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.band-tag { color: white; border-radius: 6px; font-family: ui-monospace, monospace; font-weight: 700; letter-spacing: 0.02em; display: inline-block; }
.bird-name { font-family: Georgia, serif; font-weight: 700; font-size: 16px; color: var(--moss-deep); }
.bird-meta { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.bird-notes { font-size: 12.5px; color: var(--muted); margin-top: 8px; font-style: italic; border-top: 1px dashed var(--line); padding-top: 6px; }
.card-actions { display: flex; gap: 12px; margin-top: 10px; align-items: center; }
.pair-line { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pair-x { color: var(--plum); font-weight: 700; margin: 0 2px; }

.status-pill { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 3px 8px; border-radius: 20px; background: rgba(139,155,122,0.25); color: var(--moss-deep); }
.status-sold { background: rgba(201,154,59,0.25); }
.status-deceased { background: rgba(168,82,46,0.22); color: var(--rust); }
.status-retired { background: rgba(201,154,59,0.25); }

.link-btn { background: none; border: none; color: var(--moss); font-weight: 600; font-size: 12.5px; cursor: pointer; padding: 0; text-decoration: none; }
.link-btn.danger { color: var(--rust); }
.link-btn:hover { text-decoration: underline; }

.recurring-flag { color: var(--straw); font-weight: 700; }

.table-scroll { overflow-x: auto; border-radius: var(--radius-sm); }
.ledger-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ledger-table th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); padding: 7px 8px; border-bottom: 2px solid var(--line); white-space: nowrap; }
.ledger-table td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.ledger-table tr:last-child td { border-bottom: none; }
.ledger-table tbody tr:hover { background: rgba(139,155,122,0.06); }

details.form-details { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; box-shadow: var(--shadow-sm); }
details.form-details > summary { cursor: pointer; padding: 13px 18px; font-weight: 700; color: var(--moss-deep); list-style: none; }
details.form-details > summary::-webkit-details-marker { display: none; }
details.form-details > summary::before { content: "+ "; color: var(--straw); }
details.form-details[open] > summary::before { content: "– "; }
details.form-details .details-inner { padding: 4px 18px 18px; border-top: 1px solid var(--line); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.field-label { font-weight: 600; color: var(--muted); font-size: 12px; }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 13.5px; font-family: inherit; background: var(--paper); color: var(--ink); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--straw); outline-offset: 0; border-color: var(--straw); }
textarea { resize: vertical; width: 100%; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }
.field-hint { font-size: 11.5px; color: var(--muted-lt); }

.flash { padding: 11px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13.5px; font-weight: 600; }
.flash-success { background: rgba(139,155,122,0.22); color: var(--moss-deep); }
.flash-error { background: rgba(168,82,46,0.16); color: var(--rust); }

/* ---------- Upgrade / entitlement wall ---------- */
.upgrade-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: linear-gradient(135deg, rgba(201,154,59,0.16), rgba(201,154,59,0.06)); border: 1px solid rgba(201,154,59,0.35); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 18px; flex-wrap: wrap; }
.upgrade-banner-text { font-size: 13.5px; color: var(--ink); }
.upgrade-banner-text strong { color: var(--moss-deep); }
.limit-bar { height: 6px; border-radius: 20px; background: var(--line); overflow: hidden; margin-top: 6px; }
.limit-bar-fill { height: 100%; background: var(--straw); border-radius: 20px; }
.limit-bar-fill.limit-hot { background: var(--rust); }

/* ---------- Auth pages (login / register / reset) ---------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: radial-gradient(circle at top, rgba(139,155,122,0.12), transparent 55%), var(--eggshell); }
.auth-card { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 36px 34px; width: 100%; max-width: 380px; box-shadow: var(--shadow); }
.auth-mark { font-size: 30px; text-align: center; margin-bottom: 6px; }
.auth-card h1 { font-family: Georgia, serif; color: var(--moss-deep); font-size: 22px; margin: 0 0 4px; text-align: center; letter-spacing: -0.01em; }
.auth-sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-foot { text-align: center; margin-top: 20px; font-size: 13px; color: var(--muted); }
.auth-foot a { font-weight: 600; }
.tier-picker { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tier-option { border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; cursor: pointer; }
.tier-option input { display: none; }
.tier-option-name { font-weight: 700; font-size: 13px; color: var(--moss-deep); }
.tier-option-price { font-size: 11.5px; color: var(--muted); }
.tier-option:has(input:checked) { border-color: var(--straw); background: rgba(201,154,59,0.1); }

/* ---------- Admin site ---------- */
.admin-shell { min-height: 100vh; }
.admin-top { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; background: var(--ink-on-accent); color: #F1ECE0; }
.admin-top-brand { font-family: Georgia, serif; font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.admin-top nav { display: flex; gap: 18px; }
.admin-top nav a { color: rgba(241,236,224,0.8); font-weight: 600; font-size: 13px; text-decoration: none; }
.admin-top nav a:hover, .admin-top nav a.active { color: #F1ECE0; }
.admin-body { max-width: 1180px; margin: 0 auto; padding: 32px 24px; }
.data-table-wrap { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th { text-align: left; padding: 10px 16px; background: rgba(62,74,52,0.05); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); border-bottom: 1px solid var(--line); }
.data-table td { padding: 11px 16px; border-bottom: 1px solid var(--line); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(139,155,122,0.05); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.badge-active { background: rgba(139,155,122,0.25); color: var(--moss-deep); }
.badge-suspended { background: rgba(168,82,46,0.2); color: var(--rust); }
.badge-cancelled { background: rgba(122,113,96,0.2); color: var(--muted); }
.tier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.tier-card-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.tier-card-head h3 { font-family: Georgia, serif; margin: 0; color: var(--moss-deep); font-size: 17px; }
.entitlement-row { display: flex; align-items: center; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.entitlement-row:last-child { border-bottom: none; }
.entitlement-row input[type=text], .entitlement-row input[type=number] { width: 76px; border: 1.5px solid var(--line); border-radius: 6px; padding: 4px 7px; font-size: 13px; text-align: right; background: var(--paper); color: var(--ink); }
.entitlement-row input[type=checkbox] { width: 18px; height: 18px; }

@media (max-width: 720px) {
  .dd-app { flex-direction: column; }
  .rail { width: 100%; flex-direction: row; overflow-x: auto; padding: 12px; align-items: center; height: auto; position: static; }
  .rail-brand { border: none; padding: 0 12px 0 0; margin: 0; }
  .rail-tabs { flex-direction: row; }
  .rail-foot { display: none; }
  .ledger-page { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-top { flex-direction: column; gap: 10px; padding: 14px 16px; }
  .admin-body { padding: 20px 14px; }
  .tier-picker { grid-template-columns: 1fr; }
}