:root{
  --obsidian:#0d0d0d;
  --panel:#161412;
  --panel-raised:#1d1a16;
  --line:rgba(201,169,110,.14);
  --line-strong:rgba(201,169,110,.38);
  --gold:#c9a96e;
  --gold-soft:rgba(201,169,110,.10);
  --ivory:#f4f1ea;
  --ivory-dim:#a39d90;
  --ivory-faint:#6f6a60;
  --sage:#93a98c;
  --rust:#c9805a;
  --radius:3px;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  background:var(--obsidian);
  color:var(--ivory);
  font-family:'Inter', sans-serif;
  font-size:14px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{ font-family:'Cormorant Garamond', serif; font-weight:500; letter-spacing:.01em; }
a{ color:var(--gold); }

/* ---------- Auth screen ---------- */
.auth-screen{
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:20px;
}
.auth-card{
  width:100%; max-width:360px; background:var(--panel);
  border:1px solid var(--line-strong); border-radius:var(--radius);
  padding:32px 30px;
}
.auth-error{
  color:var(--rust); font-size:.8rem; margin:-8px 0 16px;
}
.auth-toggle{
  text-align:center; margin:18px 0 0; font-size:.8rem; color:var(--ivory-faint);
}
.auth-toggle a{ margin-left:4px; }

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

.sidebar{
  width:236px; flex-shrink:0;
  background:var(--panel);
  border-right:1px solid var(--line);
  display:flex; flex-direction:column;
  padding:28px 22px;
  position:sticky; top:0; height:100vh;
}
.mark{
  display:flex; align-items:center; gap:10px;
  margin-bottom:38px;
}
.mark-box{
  width:30px; height:30px; border:1px solid var(--gold);
  display:flex; align-items:center; justify-content:center;
  font-family:'Cormorant Garamond', serif; font-size:18px; color:var(--gold);
  flex-shrink:0;
}
.mark-text{ font-family:'Cormorant Garamond', serif; font-size:1.05rem; letter-spacing:.12em; color:var(--ivory); }
.mark-sub{ font-size:.62rem; letter-spacing:.18em; color:var(--ivory-faint); text-transform:uppercase; margin-top:2px; }

.nav{ display:flex; flex-direction:column; gap:2px; }
.nav-item{
  appearance:none; border:none; background:none; text-align:left;
  color:var(--ivory-dim); font-family:'Inter', sans-serif;
  font-size:.74rem; letter-spacing:.16em; text-transform:uppercase;
  padding:11px 10px; cursor:pointer; border-radius:var(--radius);
  transition:background .15s, color .15s;
}
.nav-item:hover{ color:var(--ivory); background:var(--gold-soft); }
.nav-item.active{ color:var(--gold); background:var(--gold-soft); border-left:2px solid var(--gold); padding-left:8px; }

.sidebar-foot{
  margin-top:auto; padding-top:24px; border-top:1px solid var(--line);
  font-size:.72rem; color:var(--ivory-faint); line-height:1.6;
}
.sidebar-foot .foot-actions{ display:flex; flex-direction:column; gap:8px; margin-top:10px; }
.sidebar-foot button, .sidebar-foot label.file-btn{
  background:none; border:1px solid var(--line-strong);
  color:var(--ivory-dim); font-size:.7rem; letter-spacing:.08em;
  padding:7px 10px; border-radius:var(--radius); cursor:pointer;
  text-transform:uppercase; transition:border-color .15s, color .15s;
  text-align:center; display:block;
}
.sidebar-foot button:hover, .sidebar-foot label.file-btn:hover{ border-color:var(--gold); color:var(--gold); }
.sidebar-foot input[type="file"]{ display:none; }

.content{ flex:1; padding:40px 48px 80px; max-width:1180px; }

.content-header{
  display:flex; justify-content:space-between; align-items:flex-end;
  border-bottom:1px solid var(--line); padding-bottom:22px; margin-bottom:32px;
  gap:24px; flex-wrap:wrap;
}
#headerActions{ display:flex; gap:10px; flex-wrap:wrap; }
.eyebrow{
  font-size:.7rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); margin-bottom:8px;
}
.content-header h1{ font-size:2.1rem; margin:0; color:var(--ivory); }
.content-header p.sub{ margin:6px 0 0; color:var(--ivory-dim); font-size:.88rem; max-width:520px; }

/* ---------- Buttons ---------- */
.btn{
  appearance:none; border:1px solid var(--line-strong); background:none;
  color:var(--ivory); font-family:'Inter', sans-serif; font-size:.76rem;
  letter-spacing:.1em; text-transform:uppercase; padding:11px 18px;
  border-radius:var(--radius); cursor:pointer; transition:all .15s;
  white-space:nowrap;
}
.btn:hover{ border-color:var(--gold); color:var(--gold); }
.btn-primary{ background:var(--gold); border-color:var(--gold); color:var(--obsidian); font-weight:600; }
.btn-primary:hover{ background:transparent; color:var(--gold); }
.btn-ghost{ border-color:transparent; color:var(--ivory-dim); }
.btn-ghost:hover{ color:var(--gold); border-color:transparent; background:none; }
.btn-sm{ padding:6px 12px; font-size:.68rem; }
.btn-danger:hover{ border-color:var(--rust); color:var(--rust); }
.btn[disabled]{ opacity:.4; cursor:not-allowed; }
.btn[disabled]:hover{ border-color:var(--line-strong); color:var(--ivory); }

/* ---------- Views ---------- */
.view{ display:none; }
.view.active{ display:block; animation:fade .25s ease; }
@keyframes fade{ from{ opacity:0; transform:translateY(4px);} to{ opacity:1; transform:translateY(0);} }

/* ---------- Section headers ---------- */
.section-head{
  display:flex; justify-content:space-between; align-items:baseline;
  margin-bottom:18px; border-bottom:1px solid var(--line); padding-bottom:12px;
  flex-wrap:wrap; gap:10px;
}
.section-head h2{ font-size:1.35rem; margin:0; }
.section-head .hint{ font-size:.78rem; color:var(--ivory-faint); }

.empty-note{
  border:1px dashed var(--line-strong); border-radius:var(--radius);
  padding:28px; text-align:center; color:var(--ivory-faint); font-size:.85rem;
  margin-bottom:40px;
}

/* ---------- Tables ---------- */
table{ width:100%; border-collapse:collapse; }
thead th{
  text-align:left; font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ivory-faint); padding:0 14px 10px; border-bottom:1px solid var(--line-strong);
  font-weight:500;
}
tbody td{ padding:13px 14px; border-bottom:1px solid var(--line); font-size:.85rem; vertical-align:middle; }
tbody tr:hover{ background:var(--gold-soft); }
td.num, th.num{ text-align:right; font-variant-numeric:tabular-nums; }
td.actions{ text-align:right; white-space:nowrap; }
.row-note{ color:var(--ivory-dim); font-size:.78rem; }

.badge{
  display:inline-block; font-size:.66rem; letter-spacing:.1em; text-transform:uppercase;
  padding:3px 8px; border-radius:var(--radius); border:1px solid var(--line-strong); color:var(--ivory-dim);
}
.badge.retainer{ color:var(--gold); border-color:var(--line-strong); }
.badge.hourly{ color:var(--ivory-dim); }
.badge.ended{ color:var(--ivory-faint); border-color:var(--line); }
.badge.payment-badge{ color:var(--sage); border-color:rgba(147,169,140,.35); }

tr.row-payment{ background:rgba(147,169,140,.05); }
tr.row-payment:hover{ background:rgba(147,169,140,.12); }
td.payment-amount{ color:var(--sage); }

tr.row-ended{ opacity:.5; }
tr.row-ended:hover{ opacity:.75; }

.swatch{ display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:8px; vertical-align:middle; }

/* ---------- Filters ---------- */
.filter-bar{
  display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end;
  margin-bottom:22px; padding:18px 20px; background:var(--panel);
  border:1px solid var(--line); border-radius:var(--radius);
}
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ivory-faint); }
select, input, textarea{
  background:var(--panel-raised); border:1px solid var(--line-strong); color:var(--ivory);
  font-family:'Inter', sans-serif; font-size:.84rem; padding:9px 11px; border-radius:var(--radius);
  min-width:150px;
}
textarea{ min-width:260px; resize:vertical; }
select:focus, input:focus, textarea:focus{ outline:1px solid var(--gold); border-color:var(--gold); }
.field-row{ display:flex; gap:14px; flex-wrap:wrap; }
.checkbox-row{ display:flex; align-items:center; gap:8px; }
.checkbox-row input{ width:auto; min-width:0; }
.checkbox-row label{ font-size:.8rem; color:var(--ivory-dim); letter-spacing:.02em; text-transform:none; }

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.6);
  display:flex; align-items:center; justify-content:center; z-index:60; padding:20px;
}
.modal{
  background:var(--panel); border:1px solid var(--line-strong); border-radius:var(--radius);
  width:100%; max-width:480px; padding:28px 30px; max-height:90vh; overflow-y:auto;
}
.modal h3{ margin:0 0 4px; font-size:1.4rem; }
.modal .modal-sub{ color:var(--ivory-faint); font-size:.78rem; margin-bottom:20px; }
.modal .field{ margin-bottom:14px; }
.modal-actions{ display:flex; justify-content:flex-end; gap:10px; margin-top:22px; border-top:1px solid var(--line); padding-top:18px; }
.hidden-field{ display:none; }

/* ---------- Misc ---------- */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media (max-width:560px){ .two-col{ grid-template-columns:1fr; } }

/* ---------- Client drawer ---------- */
tr.row-clickable{ cursor:pointer; }

.drawer-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.5);
  z-index:55; opacity:0; pointer-events:none; transition:opacity .2s ease;
}
.drawer-overlay.open{ opacity:1; pointer-events:auto; }

.drawer{
  position:fixed; top:0; right:0; height:100vh; width:440px; max-width:92vw;
  background:var(--panel); border-left:1px solid var(--line-strong);
  z-index:56; transform:translateX(100%); transition:transform .25s ease;
  overflow-y:auto; padding:30px 30px 60px;
}
.drawer.open{ transform:translateX(0); }

.drawer-header{
  display:flex; justify-content:space-between; align-items:flex-start;
  gap:16px; margin-bottom:26px; padding-bottom:20px; border-bottom:1px solid var(--line);
}
.drawer-header h2{ font-size:1.6rem; margin:6px 0 4px; }
.drawer-header .sub{ margin:0; }

.month-group{ border-bottom:1px solid var(--line); }
.month-group:last-child{ border-bottom:none; }

.month-head{
  width:100%; display:flex; align-items:center; gap:12px;
  background:none; border:none; color:var(--ivory); cursor:pointer;
  padding:16px 0; text-align:left; font-family:'Inter', sans-serif;
}
.month-head:hover{ color:var(--gold); }
.disclosure-icon{
  display:inline-block; flex-shrink:0; width:14px; font-size:.85rem;
  color:var(--gold); transition:transform .2s ease;
}
.month-head.expanded .disclosure-icon{ transform:rotate(90deg); }
.month-name{ font-family:'Cormorant Garamond', serif; font-size:1.1rem; flex:1; }
.month-figures{ display:flex; align-items:baseline; gap:10px; flex-shrink:0; }
.month-pct{ font-family:'Cormorant Garamond', serif; font-size:1.3rem; color:var(--gold); }
.month-amounts{ font-size:.78rem; color:var(--ivory-dim); font-variant-numeric:tabular-nums; }

.month-body{ padding:0 0 18px 26px; }
.entry-row{
  display:flex; gap:14px; align-items:flex-start;
  padding:10px 0; border-bottom:1px solid var(--line);
}
.entry-row:last-child{ border-bottom:none; }
.entry-date{ width:42px; flex-shrink:0; font-size:.76rem; color:var(--ivory-dim); padding-top:2px; }
.entry-main{ flex:1; min-width:0; }
.entry-cat{ font-size:.84rem; }
.entry-note{ font-size:.76rem; color:var(--ivory-dim); margin-top:3px; }
.entry-amount{ text-align:right; flex-shrink:0; }
.entry-amount .amt{ font-family:'Cormorant Garamond', serif; font-size:1.05rem; color:var(--ivory); line-height:1.3; }
.entry-amount .rate-note{ font-size:.7rem; color:var(--ivory-faint); margin-top:2px; white-space:nowrap; }

.payment-row{
  display:flex; gap:12px; align-items:flex-start;
  padding:9px 12px; margin:6px 0; border-radius:var(--radius);
  background:rgba(147,169,140,.10); border:1px solid rgba(147,169,140,.25);
}
.payment-icon{ font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--sage); padding-top:3px; flex-shrink:0; }
.payment-main{ flex:1; min-width:0; }
.payment-label{ font-size:.84rem; color:var(--sage); }
.payment-note{ font-size:.76rem; color:var(--ivory-faint); margin-top:3px; }
.payment-meta{ text-align:right; flex-shrink:0; }
.payment-meta .amt{ font-family:'Cormorant Garamond', serif; font-size:1.05rem; color:var(--sage); line-height:1.3; }
.payment-meta .date-note{ font-size:.7rem; color:var(--ivory-faint); margin-top:2px; }

.add-payment-btn{
  display:flex; align-items:center; gap:8px; width:100%; margin-top:10px;
  background:none; border:1px dashed rgba(147,169,140,.3); border-radius:var(--radius);
  color:var(--ivory-faint); font-family:'Inter', sans-serif; font-size:.72rem;
  letter-spacing:.1em; text-transform:uppercase; padding:8px 12px; cursor:pointer;
  transition:border-color .15s, color .15s;
}
.add-payment-btn:hover{ border-color:var(--sage); color:var(--sage); }

.payment-form{
  margin-top:10px; padding:14px 16px; border-radius:var(--radius);
  background:var(--panel-raised); border:1px solid rgba(147,169,140,.3);
}
.payment-form .field{ margin-bottom:10px; }
.payment-form .field:last-of-type{ margin-bottom:0; }
.payment-form-row{ display:flex; gap:10px; }
.payment-form-row .field{ flex:1; }
.payment-form-actions{ display:flex; justify-content:flex-end; gap:8px; margin-top:12px; padding-top:10px; border-top:1px solid var(--line); }

.outstanding-line{
  margin-bottom:20px; padding-bottom:18px; border-bottom:1px solid var(--line);
}
.outstanding-line .label{ font-size:.68rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ivory-faint); margin-bottom:6px; }
.outstanding-line .amount{ font-family:'Cormorant Garamond', serif; font-size:2rem; }
.outstanding-line .amount.owed{ color:var(--rust); }
.outstanding-line .amount.clear{ color:var(--sage); }
.outstanding-line .breakdown{ font-size:.74rem; color:var(--ivory-faint); margin-top:4px; }

footer.page-foot{ margin-top:60px; padding-top:20px; border-top:1px solid var(--line); color:var(--ivory-faint); font-size:.74rem; }

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .app{ flex-direction:column; }
  .sidebar{ width:100%; height:auto; position:relative; flex-direction:row; align-items:center; padding:18px 20px; gap:20px; overflow-x:auto; }
  .mark{ margin-bottom:0; }
  .nav{ flex-direction:row; gap:6px; }
  .nav-item{ white-space:nowrap; }
  .sidebar-foot{ display:none; }
  .content{ padding:28px 20px 60px; }
}