@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #1c1a17;
  --paper: #faf6ee;
  --paper-raised: #fffdf8;
  --thread-red: #b5482e;
  --thread-red-dark: #8f3520;
  --thread-green: #3d5a45;
  --stone: #8a7f6b;
  --stone-light: #c9c1b0;
  --line: #d8d0bd;
  --shadow: rgba(28, 26, 23, 0.08);

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--thread-red); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: var(--font-body);
  cursor: pointer;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 15px;
}

/* ---- Layout shell ---- */

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

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
}

.sidebar-brand {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(250, 246, 238, 0.12);
}

.sidebar-brand .mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
  line-height: 1.2;
}

.sidebar-brand .sub {
  font-size: 11px;
  color: var(--stone-light);
  margin-top: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: var(--stone-light);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover {
  background: rgba(250, 246, 238, 0.06);
  color: var(--paper);
  text-decoration: none;
}

.sidebar-nav a.active {
  background: rgba(181, 72, 46, 0.18);
  color: var(--paper);
  border-left-color: var(--thread-red);
}

.sidebar-nav .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.sidebar-foot {
  padding: 14px 20px;
  border-top: 1px solid rgba(250, 246, 238, 0.12);
}

.sidebar-foot button {
  background: none;
  border: 1px solid rgba(250, 246, 238, 0.25);
  color: var(--stone-light);
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 4px;
  width: 100%;
}

.sidebar-foot button:hover {
  border-color: var(--paper);
  color: var(--paper);
}

.main {
  margin-left: 220px;
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
  max-width: 1100px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--ink);
}

.page-header .desc {
  color: var(--stone);
  font-size: 14px;
}

.page-header-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* ---- Mobile nav toggle ---- */

.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--ink);
  color: var(--paper);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
}

.mobile-topbar .mark { font-family: var(--font-display); font-size: 17px; font-weight: 600; }
.mobile-topbar button { background: none; border: none; color: var(--paper); font-size: 22px; }

@media (max-width: 880px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 200;
    top: 56px;
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 80px 18px 60px; }
  .mobile-topbar { display: flex; }
  .page-header { flex-direction: column; }
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--thread-red);
  color: var(--paper);
}
.btn-primary:hover { background: var(--thread-red-dark); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { background: rgba(28, 26, 23, 0.04); }

.btn-ghost {
  background: transparent;
  color: var(--stone);
  padding: 6px 10px;
}
.btn-ghost:hover { color: var(--ink); background: rgba(28, 26, 23, 0.04); }

.btn-danger {
  background: transparent;
  color: var(--thread-red);
  border-color: var(--thread-red);
}
.btn-danger:hover { background: rgba(181, 72, 46, 0.08); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-sm { padding: 5px 10px; font-size: 12.5px; }

/* ---- Cards / panels ---- */

.panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
}

.panel + .panel { margin-top: 16px; }

/* ---- Forms ---- */

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--stone);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--thread-red);
  outline-offset: 0;
  border-color: var(--thread-red);
}

.field-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.field-row .field { flex: 1; min-width: 150px; }

.hint { font-size: 12.5px; color: var(--stone); margin-top: 4px; }
.error-text { font-size: 13px; color: var(--thread-red); margin-top: 6px; }

/* ---- Tables (ledger style) ---- */

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.ledger-table th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--stone);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1.5px solid var(--ink);
}

.ledger-table td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.ledger-table tbody tr:hover { background: rgba(28, 26, 23, 0.025); }

.num {
  font-family: var(--font-mono);
  text-align: right;
}

.ledger-table .num { font-family: var(--font-mono); }

/* ---- Badges ---- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 10px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-locked { background: rgba(181, 72, 46, 0.12); color: var(--thread-red-dark); }
.badge-open { background: rgba(61, 90, 69, 0.12); color: var(--thread-green); }
.badge-paid { background: rgba(61, 90, 69, 0.14); color: var(--thread-green); }
.badge-unpaid { background: rgba(181, 72, 46, 0.12); color: var(--thread-red-dark); }

/* ---- Design picker grid (the signature element) ---- */

.design-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.design-swatch {
  border: 2px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, transform 0.1s;
}

.design-swatch:hover { border-color: var(--stone); }

.design-swatch.selected {
  border-color: var(--thread-red);
  box-shadow: 0 0 0 2px rgba(181, 72, 46, 0.18);
}

.design-swatch .thumb {
  width: 100%;
  height: 70px;
  background: var(--line) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--stone);
  font-size: 22px;
}

.design-swatch .label {
  font-size: 12px;
  font-weight: 500;
  padding: 6px 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---- Empty state ---- */

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--stone);
}

.empty-state .icon { font-size: 32px; margin-bottom: 10px; opacity: 0.6; }
.empty-state p { margin: 0 0 14px; }

/* ---- Toast ---- */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  border-radius: 6px;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 1000;
  max-width: 320px;
  animation: toast-in 0.2s ease;
}

.toast.error { background: var(--thread-red-dark); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Modal ---- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 23, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
}

.modal {
  background: var(--paper-raised);
  border-radius: 10px;
  padding: 24px 26px;
  max-width: 520px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 16px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

/* ---- Stat cards ---- */

.stats-row {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  flex: 1;
  min-width: 140px;
}

.stat-card .label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--stone);
  margin-bottom: 6px;
}

.stat-card .value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
}

/* ---- Login screen ---- */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 40px 36px;
  max-width: 380px;
  width: 100%;
}

.login-box .mark {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 4px;
}

.login-box .sub {
  text-align: center;
  color: var(--stone);
  font-size: 13px;
  margin-bottom: 28px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--thread-red);
}

.text-muted { color: var(--stone); }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 18px 0;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }