* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',sans-serif;
  background:#0e0e12; color:#e4e4e7; -webkit-font-smoothing:antialiased;
  font-size:15px; line-height:1.4; }

:root { --bg:#0e0e12; --bg2:#15151b; --bg3:#1c1c24;
  --border:#22222b; --border2:#2e2e38;
  --text:#e4e4e7; --text2:#94949e; --text3:#5c5c66;
  --purple:#6d5ae0; --red:#e5484d; --green:#30a46c; --yellow:#f5a623;
}

.hidden { display:none!important; }
input,select,textarea,button { font-family:inherit; font-size:15px; }

/* AUTH */
.auth-page { display:flex; align-items:center; justify-content:center; min-height:100vh; padding:24px; background:var(--bg); }
.auth-card { background:var(--bg2); border-radius:16px; padding:36px 28px; width:100%; max-width:380px; border:1px solid var(--border); }
.auth-card h1 { text-align:center; font-size:22px; font-weight:600; color:#fff; margin-bottom:4px; }
.auth-card .sub { text-align:center; color:var(--text2); font-size:14px; margin-bottom:28px; }
.auth-card .toggle-link { text-align:center; margin-top:18px; font-size:13px; color:var(--text3); }
.auth-card .toggle-link a { color:var(--purple); cursor:pointer; }
.form-group { margin-bottom:16px; }
.form-group label { display:block; font-size:12px; color:var(--text2); margin-bottom:6px; font-weight:500; }
.form-group input,.form-group select {
  width:100%; padding:12px 14px; border-radius:10px; border:1px solid var(--border);
  background:var(--bg3); color:var(--text); font-size:15px; outline:none;
}
.form-group input:focus,.form-group select:focus { border-color:var(--purple); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

.btn { display:inline-flex; align-items:center; gap:6px; padding:12px 20px; border-radius:10px; font-size:14px; font-weight:500; cursor:pointer; border:1px solid transparent; justify-content:center; }
.btn-primary { background:var(--purple); color:#fff; }
.btn-ghost { background:transparent; border-color:var(--border); color:var(--text2); }
.btn-sm { padding:8px 14px; font-size:12px; border-radius:8px; }
.btn-block { width:100%; }
.btn-danger { color:var(--red); }

/* APP */
.app { display:none; height:100vh; flex-direction:column; overflow:hidden; }

/* HEADER */
.app-header { background:var(--bg); border-bottom:1px solid var(--border); padding:0 16px; height:48px; flex-shrink:0; display:flex; align-items:center; justify-content:space-between; }
.app-header h1 { font-size:17px; font-weight:600; color:#fff; }
.app-header .user-info { display:flex; align-items:center; gap:10px; font-size:12px; color:var(--text3); }
.app-header .user-info button { background:transparent; border:1px solid var(--border); color:var(--text2); padding:4px 12px; border-radius:6px; cursor:pointer; font-size:11px; }

/* MAIN SCROLL */
.main-content { flex:1; overflow-y:auto; -webkit-overflow-scrolling:touch; padding:16px; }

/* BOTTOM NAV */
.bottom-nav { display:flex; background:var(--bg); border-top:1px solid var(--border); padding:4px 0 env(safe-area-inset-bottom,4px) 0; flex-shrink:0; }
.nav-btn { flex:1; display:flex; flex-direction:column; align-items:center; gap:2px; background:transparent; border:none; color:var(--text3); font-size:10px; cursor:pointer; padding:6px 0 4px; }
.nav-btn .nav-icon { font-size:20px; }
.nav-btn.active { color:var(--purple); }

/* DASHBOARD HERO */
.hero { background:var(--bg2); border:1px solid var(--border); border-radius:14px; padding:20px; margin-bottom:14px; }
.hero .label { font-size:11px; color:var(--text3); text-transform:uppercase; letter-spacing:.04em; }
.hero .value { font-size:30px; font-weight:700; color:#fff; letter-spacing:-.02em; margin:2px 0 4px; }
.hero .sub { font-size:13px; color:var(--text3); }
.hero .row { display:flex; gap:20px; margin-top:12px; }
.hero .col { flex:1; }
.hero .col .l { font-size:10px; color:var(--text3); text-transform:uppercase; }
.hero .col .v { font-size:16px; font-weight:600; margin-top:1px; }
.hero .col .v.g { color:var(--green); } .hero .col .v.r { color:var(--red); }
.bar { margin-top:12px; height:3px; background:var(--bg3); border-radius:4px; overflow:hidden; }
.bar div { height:100%; background:var(--purple); border-radius:4px; }

/* SECTION */
.sec { margin-bottom:14px; }
.sec h3 { font-size:13px; font-weight:500; color:var(--text2); margin-bottom:8px; letter-spacing:.02em; }

/* ROW CARD */
.row-card { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:12px 14px; display:flex; align-items:center; gap:12px; margin-bottom:6px; }
.row-card .left { flex:1; }
.row-card .l1 { font-size:12px; color:var(--text3); }
.row-card .l2 { font-size:14px; font-weight:500; color:var(--text); margin-top:1px; }
.row-card .l3 { font-size:11px; color:var(--text3); margin-top:1px; }
.row-card .right { text-align:right; flex-shrink:0; }
.row-card .right .v { font-size:15px; font-weight:600; }
.row-card .right .v.r { color:var(--red); }
.row-card .right .v.g { color:var(--green); }

/* BREAKDOWN */
.brd-item { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:12px 14px; margin-bottom:6px; }
.brd-head { display:flex; justify-content:space-between; margin-bottom:6px; font-size:13px; }
.brd-head span:first-child { color:var(--text); font-weight:500; }
.brd-head span:last-child { color:var(--text2); font-size:12px; }
.brd-bar { height:3px; background:var(--bg3); border-radius:4px; overflow:hidden; }
.brd-bar div { height:100%; border-radius:4px; }
.brd-bar .c { background:#a78bfa; } .brd-bar .b { background:#60a5fa; } .brd-bar .p { background:var(--green); }

/* DEBT LIST */
.month-nav { display:flex; align-items:center; gap:8px; margin-bottom:14px; }
.month-nav button { background:var(--bg2); border:1px solid var(--border); color:var(--text2); width:30px; height:30px; border-radius:8px; cursor:pointer; font-size:12px; display:flex; align-items:center; justify-content:center; }
.month-nav span { font-size:15px; font-weight:600; color:#fff; }

.summary-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:14px; margin-bottom:8px; }
.summary-card .l { font-size:10px; color:var(--text3); text-transform:uppercase; }
.summary-card .v { font-size:20px; font-weight:600; color:#fff; margin-top:2px; }
.summary-card .v.g { color:var(--green); } .summary-card .v.r { color:var(--red); }
.summary-card .s { font-size:11px; color:var(--text3); margin-top:2px; }
.summary-brk { display:flex; gap:6px; margin-top:8px; flex-wrap:wrap; }
.summary-brk span { background:var(--bg3); padding:2px 8px; border-radius:10px; font-size:10px; }

.filter-bar { display:flex; gap:4px; margin-bottom:12px; flex-wrap:wrap; }
.filter-btn { background:transparent; border:1px solid var(--border); color:var(--text3); padding:5px 12px; border-radius:6px; cursor:pointer; font-size:11px; }
.filter-btn.active { background:var(--bg3); border-color:var(--border2); color:var(--text); }

.filter-row { display:flex; gap:6px; margin-bottom:10px; }
.filter-row select { background:var(--bg3); border:1px solid var(--border); color:var(--text); padding:7px 10px; border-radius:8px; font-size:12px; outline:none; flex:1; min-width:0; }

.grp { margin-bottom:14px; }
.grp-head { display:flex; align-items:center; gap:6px; padding-bottom:6px; margin-bottom:6px; border-bottom:1px solid var(--border); }
.grp-head h3 { font-size:13px; font-weight:500; color:var(--text2); }
.grp-head .badge { background:var(--bg3); color:var(--text3); padding:1px 8px; border-radius:6px; font-size:10px; }
.grp-head .badge.r { background:#1c0f0f; color:var(--red); }
.grp-head .badge.g { background:#0f1c12; color:var(--green); }

.d-item { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:10px 12px; display:flex; align-items:center; gap:8px; cursor:pointer; margin-bottom:4px; }
.d-item:active { border-color:var(--border2); }
.d-item.p { opacity:.35; }
.d-item .ck { width:18px; height:18px; min-width:18px; border-radius:4px; border:2px solid var(--border2); display:flex; align-items:center; justify-content:center; font-size:10px; font-weight:700; color:#000; }
.d-item.p .ck { background:var(--green); border-color:var(--green); }
.d-item .i { flex:1; min-width:0; }
.d-item .i .d { font-size:13px; font-weight:500; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.d-item.p .i .d { text-decoration:line-through; color:var(--text3); }
.d-item .i .m { font-size:10px; color:var(--text3); margin-top:2px; display:flex; gap:4px; flex-wrap:wrap; }
.d-item .i .m .mt { padding:1px 6px; border-radius:4px; font-size:10px; }
.d-item .i .m .mt.c { background:rgba(109,90,224,.12); color:#a78bfa; }
.d-item .i .m .mt.b { background:rgba(59,130,246,.1); color:#60a5fa; }
.d-item .i .m .mt.px { background:rgba(48,164,108,.1); color:var(--green); }
.d-item .vl { text-align:right; flex-shrink:0; }
.d-item .vl .v { font-size:14px; font-weight:600; }
.d-item .vl .v.r { color:var(--red); } .d-item .vl .v.g { color:var(--green); }
.d-item .vl .due { font-size:10px; color:var(--text3); }

.edit-btn,.del-btn,.att-btn { background:0 0; border:none; cursor:pointer; font-size:14px; padding:3px 5px; border-radius:4px; flex-shrink:0; color:var(--text3); }
.parc { background:rgba(109,90,224,.12); color:#a78bfa; padding:1px 6px; border-radius:4px; font-size:10px; font-weight:500; }

/* CARDS TAB */
.c-list { display:flex; flex-direction:column; gap:8px; }
.c-item { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:16px; }
.c-item .n { font-weight:600; font-size:15px; color:#fff; margin-bottom:4px; }
.c-item .l { font-size:13px; color:var(--text2); }
.c-item .d { font-size:12px; color:var(--yellow); margin-top:3px; }
.c-item .a { margin-top:12px; display:flex; gap:8px; }
.c-item .a button { background:transparent; border:1px solid var(--border); color:var(--text2); padding:6px 14px; border-radius:8px; cursor:pointer; font-size:12px; }
.c-item .a button:active { border-color:var(--border2); }

/* PEOPLE */
.p-item { background:var(--bg2); border:1px solid var(--border); border-radius:10px; padding:14px 16px; display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.p-item .n { font-size:15px; font-weight:600; color:var(--yellow); }

/* FAMILY */
.f-card { background:var(--bg2); border-radius:12px; padding:20px; border:1px solid var(--border); }
.f-card h3 { font-size:16px; font-weight:600; color:#fff; margin-bottom:12px; }
.f-code { background:var(--bg3); padding:8px 14px; border-radius:8px; font-family:monospace; font-size:14px; color:var(--purple); display:inline-block; border:1px solid var(--border); }
.f-hint { font-size:12px; color:var(--text3); margin-bottom:12px; }
.f-member { display:flex; align-items:center; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--border); font-size:13px; color:var(--text); }
.small-del { background:transparent; border:none; color:var(--red); cursor:pointer; font-size:15px; padding:4px; }
.people-brk { margin-top:8px; padding-top:8px; border-top:1px solid var(--border); }
.people-brk .t { font-size:11px; color:var(--yellow); margin-bottom:6px; font-weight:500; }
.p-row { display:flex; gap:8px; align-items:center; padding:3px 0; font-size:12px; flex-wrap:wrap; }
.p-row .n { min-width:70px; color:var(--text); }
.p-row .pd { color:var(--green); } .p-row .pr { color:var(--red); } .p-row .pt { color:#fff; font-weight:600; margin-left:auto; }

/* FAB */
.fab { position:fixed; bottom:80px; right:16px; width:48px; height:48px; border-radius:14px; background:var(--purple); color:#fff; border:none; font-size:22px; cursor:pointer; box-shadow:0 4px 16px rgba(109,90,224,.3); display:flex; align-items:center; justify-content:center; z-index:50; }
.fab:active { transform:scale(.92); }
.fab.h { display:none!important; }

/* FORM (sheet) */
.overlay { display:none; position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.5); z-index:200; align-items:flex-end; justify-content:center; }
.overlay.s { display:flex; }
.modal { background:var(--bg2); border-radius:16px 16px 0 0; padding:24px 20px 32px; width:100%; max-width:500px; border:1px solid var(--border); max-height:85vh; overflow-y:auto; }
.modal h2 { font-size:16px; font-weight:600; color:#fff; margin-bottom:20px; }
.acts { display:flex; gap:8px; margin-top:20px; }
.acts button { flex:1; }

/* EMPTY */
.empty { text-align:center; padding:60px 20px; color:var(--text3); }
.empty .icon { font-size:40px; margin-bottom:12px; }

/* DESKTOP */
@media(min-width:769px){
  .app-header { padding:0 28px; }
  .main-content { padding:28px 32px; }
  .bottom-nav { display:none; }
  .dsk-side { width:200px; background:var(--bg); border-right:1px solid var(--border); padding:12px 8px; flex-shrink:0; display:flex; flex-direction:column; gap:2px; }
  .s-btn { display:flex; align-items:center; gap:10px; width:100%; background:transparent; border:none; color:var(--text2); padding:9px 12px; font-size:13px; cursor:pointer; border-radius:6px; }
  .s-btn:hover { background:var(--bg2); color:var(--text); }
  .s-btn.active { background:rgba(109,90,224,.1); color:var(--purple); font-weight:500; }
  .hero .value { font-size:34px; }
  .c-list { display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:10px; }
  .fab { bottom:24px; right:24px; }
  .overlay { align-items:center; }
  .modal { border-radius:16px; padding:28px; max-width:440px; }
}
@media(max-width:768px){
  .dsk-side { display:none; }
}