/* ============================================================
   Shared building blocks used across views.
   ============================================================ */

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 12px;border-radius:var(--radius-ctl);
  font-size:var(--fs-sm);font-weight:500;
  border:1px solid var(--line-strong);
  background:var(--surface);
  color:var(--ink);
  transition:all .12s;
  box-shadow:var(--shadow-xs);
  white-space:nowrap;
  height:32px;
}
.btn:hover{background:var(--surface-hover);border-color:var(--ink-faint)}
.btn:active{transform:translateY(.5px)}
.btn-primary{
  background:var(--solid);
  color:var(--solid-ink);
  border-color:var(--solid);
  box-shadow:var(--shadow-brand);
  font-weight:600;
}
.btn-primary:hover{background:var(--solid-hover);border-color:var(--solid-hover);color:var(--solid-ink)}
/* coral call to action — the main "add" action of a screen */
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--accent-on);font-weight:700;box-shadow:none}
.btn-accent:hover{background:#f48a7c;border-color:#f48a7c;color:var(--accent-on)}
.btn-outline{background:var(--surface);border-color:var(--line-strong);color:var(--ink);font-weight:700;box-shadow:none}
/* large: the 44px touch-size actions */
.btn-lg{height:44px;padding:0 18px;border-radius:var(--radius-md);font-size:var(--fs-base);font-weight:700}
.btn-block{width:100%;justify-content:center}
.btn-ghost{border-color:transparent;background:transparent;box-shadow:none;color:var(--ink-soft)}
.btn-ghost:hover{background:var(--surface-hover);border-color:transparent;color:var(--ink)}
.btn-sm{padding:3px 10px;font-size:var(--fs-sm);height:28px;font-weight:500;border-radius:8px}
.btn-icon{padding:0;width:32px;justify-content:center}
.btn svg{width:13px;height:13px;stroke-width:2}

.btn-danger{color:var(--bad);border-color:transparent;background:transparent;box-shadow:none}
.btn-danger:hover{color:var(--bad);background:var(--bad-bg);border-color:transparent}

/* ===== Cards ===== */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:18px 20px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}
.card-title{font-family:var(--display);font-size:var(--fs-h3);font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.card-sub{font-size:var(--fs-xs);color:var(--ink-mute);font-weight:500}

/* Stat tile - Stripe style: tight, label-first, big number */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:20px}
.stat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 18px;
  display:flex;flex-direction:column;gap:4px;
  position:relative;
  transition:all .15s;
}
.stat:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm)}
.stat-label{
  font-size:var(--fs-xs);font-weight:500;
  color:var(--ink-mute);
  display:flex;align-items:center;gap:6px;
  letter-spacing:.01em;
}
.stat-value{
  font-size:var(--fs-xl);
  font-weight:600;letter-spacing:-.02em;line-height:1.15;
  color:var(--ink);
  margin-top:2px;
}
.stat-delta{
  font-size:var(--fs-sm);color:var(--ink-mute);
  display:flex;align-items:center;gap:5px;
  font-weight:500;
}
.stat-delta.up{color:var(--good)}
.stat-delta.down{color:var(--bad)}

/* Tables - Stripe style: clean, dense, no zebra */
.tbl-wrap{
  overflow-x:auto;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-xs);
}
table.tbl{width:100%;border-collapse:collapse;font-size:var(--fs-sm)}
table.tbl th{
  text-align:left;padding:10px 14px;
  font-size:var(--fs-xs);font-weight:600;
  color:var(--ink-mute);
  border-bottom:1px solid var(--line);
  background:var(--surface-2);
  position:sticky;top:0;z-index:1;
  letter-spacing:.01em;
}
table.tbl td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle;color:var(--ink-soft)}
table.tbl td:first-child{color:var(--ink)}
table.tbl tr{transition:background .1s}
table.tbl tr:hover td{background:var(--surface-hover)}
table.tbl tr:last-child td{border-bottom:none}

/* Chips - the Stripe signature look */
.chip, .tag{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 8px;border-radius:var(--radius-pill);
  font-size:var(--fs-xs);font-weight:500;
  background:var(--bg-alt);color:var(--ink-soft);
  border:1px solid var(--line);
  line-height:1.4;
  white-space:nowrap;
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--ink-faint)}

.chip.shared, .tag.shared{background:var(--brand-bg);color:var(--brand);border-color:var(--brand-border)}
.chip.shared .chip-dot{background:var(--brand)}
.chip.payer-0, .tag.payer-0, .chip.payer-1, .tag.payer-1{background:var(--surface);color:var(--ink-soft);border-color:var(--line)}
.chip.payer-0::before, .tag.payer-0::before, .chip.payer-1::before, .tag.payer-1::before{
  content:'';width:7px;height:7px;border-radius:50%;flex-shrink:0;background:var(--p0);
}
.chip.payer-1::before, .tag.payer-1::before{background:var(--p1)}
.chip.good{background:var(--good-bg);color:var(--good);border-color:rgba(0,166,86,.15)}
.chip.bad{background:var(--bad-bg);color:var(--bad);border-color:rgba(223,27,65,.15)}
.chip.warn{background:var(--warn-bg);color:var(--warn);border-color:rgba(217,119,6,.15)}

/* Inputs */
.input,.select,.textarea{
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-ctl);
  padding:7px 11px;
  font-size:var(--fs-sm);
  color:var(--ink);
  width:100%;
  transition:all .12s;
  box-shadow:var(--shadow-xs);
  height:32px;
}
.input:focus,.select:focus,.textarea:focus{
  border-color:var(--brand);
  box-shadow:var(--focus-ring);
}
.textarea{height:auto;min-height:64px;padding:8px 11px;font-family:inherit;resize:vertical}
.select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none' stroke='%23697386' stroke-width='1.5'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px}
.input-row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}

.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:var(--fs-xs);font-weight:600;color:var(--ink-soft);letter-spacing:.005em}

/* Modal */
.modal-bg{
  position:fixed;inset:0;background:var(--backdrop);
  display:flex;align-items:center;justify-content:center;
  z-index:100;opacity:0;pointer-events:none;transition:opacity .2s;
  backdrop-filter:blur(4px);
}
.modal-bg.open{opacity:1;pointer-events:auto}
.modal{
  background:var(--surface);
  border-radius:var(--radius-md);
  width:min(600px,92vw);max-height:88vh;
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-lg);
  transform:translateY(8px) scale(.98);
  transition:transform .25s cubic-bezier(.16,1,.3,1);
  border:1px solid var(--line);
}
.modal-bg.open .modal{transform:none}
.modal-head{
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
}
.modal-title{font-size:var(--fs-base);font-weight:600;color:var(--ink)}
.modal-body{padding:20px 22px;overflow-y:auto;flex:1}
.modal-foot{
  padding:12px 22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap;
  background:var(--surface-2);
}
.modal.lg{width:min(940px,94vw)}
.modal.xl{width:min(1200px,96vw)}

/* Toast */
.toasts{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:200}
.toast{
  background:var(--ink);color:white;
  padding:10px 14px;border-radius:var(--radius-md);
  font-size:var(--fs-sm);font-weight:500;
  box-shadow:var(--shadow-lg);
  animation:slideIn .25s cubic-bezier(.16,1,.3,1);
  max-width:340px;
}
.toast.success{background:var(--good)}
.toast.error{background:var(--bad)}
@keyframes slideIn{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}

/* Empty state */
.empty{
  padding:48px 24px;text-align:center;
  color:var(--ink-mute);
  display:flex;flex-direction:column;align-items:center;gap:6px;
}
.empty svg{width:32px;height:32px;opacity:.4;margin-bottom:6px}
.empty-title{font-size:var(--fs-base);color:var(--ink-soft);margin-top:4px;font-weight:600}

/* Progress bar */
.pb{
  height:6px;
  background:var(--line-soft);
  border-radius:var(--radius-pill);overflow:hidden;
  position:relative;
}
.pb-fill{
  height:100%;
  background:var(--brand);
  border-radius:var(--radius-pill);
  transition:width .4s cubic-bezier(.16,1,.3,1);
}
.pb-fill.good{background:var(--good)}
.pb-fill.warn{background:var(--warn)}
.pb-fill.bad{background:var(--bad)}

/* Switch */
.switch{
  position:relative;width:32px;height:18px;
  background:var(--line-strong);
  border-radius:var(--radius-pill);cursor:pointer;
  transition:background .15s;
  flex-shrink:0;
}
.switch::after{
  content:'';position:absolute;top:2px;left:2px;
  width:14px;height:14px;
  background:white;border-radius:50%;
  transition:left .15s cubic-bezier(.16,1,.3,1);
  box-shadow:0 1px 2px rgba(0,0,0,.15);
}
.switch.on{background:var(--brand)}
.switch.on::after{left:16px}

/* Segmented control */
.bar-segs{
  display:flex;gap:1px;
  background:var(--bg-alt);padding:2px;
  border-radius:var(--radius-ctl);
  border:1px solid var(--line);
}
.bar-segs button{
  padding:4px 10px;font-size:var(--fs-sm);font-weight:500;
  border-radius:8px;color:var(--ink-mute);
  transition:all .12s;
  min-width:28px;
}
.bar-segs button:hover{color:var(--ink)}
.bar-segs button.on{
  background:var(--solid);
  color:var(--solid-ink);
  box-shadow:var(--shadow-xs);
  font-weight:600;
}
/* the dashboard's month picker: roomier, white tray */
.bar-segs.period{background:var(--surface);border-color:var(--line);border-radius:var(--radius-md);padding:4px;gap:2px}
.bar-segs.period button{min-height:36px;padding:0 12px;border-radius:8px;font-size:var(--fs-sm);color:var(--ink-soft)}
.bar-segs.period button.on{color:var(--solid-ink)}
.select.lg{height:44px;border-radius:var(--radius-md);padding-left:14px}

/* Segmented controls that fill their row */
.bar-segs.full{width:100%}
.bar-segs.full button{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-segs.lg{padding:3px}
.bar-segs.lg button{padding:6px 10px;font-size:var(--fs-sm)}

/* Debt / fund card */
.debt-card{display:flex;flex-direction:column;gap:8px}
.debt-card h4{font-size:var(--fs-base);font-weight:600;color:var(--ink);letter-spacing:-.005em}
.debt-meta{
  font-size:var(--fs-xs);color:var(--ink-faint);
  display:flex;justify-content:space-between;font-weight:500;
}

/* Loading dots */
.loading{display:inline-flex;gap:3px;align-items:center}
.loading span{
  width:5px;height:5px;border-radius:50%;
  background:var(--brand);
  animation:lpulse 1.4s infinite;
}
.loading span:nth-child(2){animation-delay:.2s}
.loading span:nth-child(3){animation-delay:.4s}
@keyframes lpulse{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1.1)}}

/* Section heads */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:22px 0 10px}
.sec-title{font-size:var(--fs-base);font-weight:600;letter-spacing:-.005em;color:var(--ink)}

/* Compact list row */
.cl-row{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;
  border-bottom:1px solid var(--line-soft);
  font-size:var(--fs-sm);
}
.cl-row:last-child{border:none}
.cl-row .lbl{flex:1;color:var(--ink-soft)}
.cl-row .num{font-size:var(--fs-sm)}

/* Mini label text */
.mini{
  font-size:12px;font-weight:600;
  color:var(--ink-mute);
}

/* Custom checkbox */
.chk{
  width:16px;height:16px;
  border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;flex-shrink:0;
  transition:all .12s;background:var(--surface);
}
.chk:hover{border-color:var(--brand)}
.chk.on{background:var(--brand);border-color:var(--brand)}
.chk.on::after{content:'✓';color:white;font-size:var(--fs-xs);line-height:1;font-weight:700}


.form-hint{font-size:var(--fs-xs);color:var(--ink-mute);line-height:1.45}

/* History rows: a quiet delete, shown on row hover / keyboard focus;
   always (faintly) visible where there is no hover, e.g. touch screens */
.row-del{height:22px;width:22px;color:var(--ink-faint);opacity:0;transition:opacity .12s,color .12s}
.cl-row:hover .row-del, .row-del:focus-visible{opacity:1}
.row-del:hover{color:var(--bad)}
@media (hover:none){ .row-del{opacity:.6} }

/* Budget grid: sticky category column with a visible edge, € inputs, lighter borders */
.sticky-col{position:sticky;left:0;z-index:2;background:var(--surface);box-shadow:1px 0 0 var(--line), 4px 0 6px -4px rgba(0,0,0,.12)}
table.tbl th.sticky-col{z-index:3;background:var(--surface-2)}
table.tbl tr:hover td.sticky-col{background:var(--surface-hover)}
.sticky-label{position:sticky;left:14px}

.invite-code{
  font-family:var(--mono);font-size:var(--fs-lg);font-weight:700;letter-spacing:.08em;text-align:center;color:var(--brand);
  background:var(--brand-bg);border:1px dashed var(--brand-border);border-radius:var(--radius-md);padding:16px;user-select:all;
}