/* Lunch Fund — plugin styles (aligned to the original app design tokens) */
.lf-app{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --line:#dbe3ef;
  --text:#0f172a;
  --muted:#64748b;
  --brand:#2f68ea;
  --brand-hover:#2557cf;
  --brand-border:#2a5fdf;
  --brand-soft:#eef4ff;
  --danger:#dc2626;
  --danger-soft:#fef2f2;
  --danger-line:#fecaca;
  --pos:#166534;
  --success-bg:#ecfdf5;
  --success-line:#86efac;
  --radius-card:16px;
  --radius-control:12px;
  --shadow-card:0 12px 28px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);
  --shadow-soft:0 8px 20px rgba(15,23,42,.06);
}

/* Canvas (full-width template) */
body.lf-canvas{margin:0;background:#f5f7fb;min-height:100vh}
.lf-canvas-main{min-height:100vh}

.lf-app{
  max-width:1200px;margin:0 auto;padding:24px 18px 64px;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
}
.lf-app *{box-sizing:border-box}
.lf-app a{text-decoration:none;color:inherit}

/* Topbar */
.lf-topbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;padding:14px 18px;margin-bottom:22px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-soft);
}
.lf-brand{font-size:21px;font-weight:800;letter-spacing:.2px}
.lf-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.lf-nav a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:10px;font-weight:600;font-size:14px;color:var(--text);
  border:1px solid transparent;transition:background .15s,color .15s;
}
.lf-nav a:hover{background:var(--brand-soft)}
.lf-nav a.lf-active{background:var(--brand);color:#fff;box-shadow:var(--shadow-soft)}
.lf-nav a.lf-logout{border:1px solid var(--line);color:var(--muted)}
.lf-nav a.lf-logout:hover{border-color:var(--danger-line);color:var(--danger);background:var(--danger-soft)}

/* Summary stat cards */
.lf-summary{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}
.lf-stat{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;text-align:center;
  box-shadow:var(--shadow-card);
}
.lf-stat-total{background:linear-gradient(180deg,#f5f9ff,#eaf1ff);border-color:#d6e4ff}
.lf-stat-label{font-size:12px;font-weight:700;letter-spacing:1.6px;color:var(--muted)}
.lf-stat-value{font-size:32px;font-weight:800;margin-top:10px;color:var(--text)}
.lf-stat-total .lf-stat-value{color:var(--brand)}

.lf-clickable{cursor:pointer;transition:transform .12s,box-shadow .12s}
.lf-clickable:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,23,42,.12)}
.lf-stat-hint{font-weight:700;color:var(--brand);letter-spacing:.5px}

/* 7-day history modal */
.lf-empty{color:var(--muted);text-align:center;padding:18px 0}
.lf-hist-sum{font-size:14px;color:var(--muted);margin-bottom:12px}
.lf-hist-sum strong{color:var(--text)}
.lf-hist-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.lf-hist-item{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-control);background:#fff}
.lf-hist-date{flex:none;width:46px;text-align:center;line-height:1.1;padding-right:14px;border-right:1px solid var(--line)}
.lf-hist-dow{display:block;font-size:11px;font-weight:700;color:var(--muted)}
.lf-hist-dm{display:block;font-size:15px;font-weight:800}
.lf-hist-mid{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1 1 auto}
.lf-hist-del{margin:0 0 0 auto;flex:none}
.lf-hist-amount{font-size:17px;font-weight:800}
.lf-hist-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.lf-vsep{display:inline-block;width:1px;height:12px;background:var(--line);flex:none}
.lf-debt-group{margin-bottom:14px}
.lf-debt-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;font-size:14px}
.lf-debt-head strong{color:var(--text)}
.lf-debt-sub{font-weight:800;color:var(--brand)}

/* Member cards */
.lf-members-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lf-member-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-card);
  transition:transform .12s,box-shadow .12s;
}
.lf-member-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,23,42,.10)}
/* Single-line member row: name · balance · count */
.lf-member-row{display:flex;align-items:center;gap:12px}
.lf-member-name{font-weight:700;font-size:15px;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lf-member-balance{flex:0 0 auto;font-size:16px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap;margin-left:auto}
.lf-member-balance.lf-neg{color:var(--danger)}
.lf-member-balance.lf-zero{color:#334155}
.lf-member-count{
  flex:0 0 auto;font-size:11px;font-weight:600;color:var(--muted);white-space:nowrap;
  background:#f4f7fc;border-radius:999px;padding:3px 9px;
}
.lf-member-debt{margin-top:8px;color:var(--brand);font-weight:700;font-size:13px}

/* Buttons */
.lf-btn{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;
  border-radius:var(--radius-control);border:1px solid var(--line);background:var(--panel);
  color:var(--text);font-weight:700;font-size:15px;cursor:pointer;
  box-shadow:var(--shadow-soft);transition:background .15s,box-shadow .15s,transform .1s;
}
.lf-btn:hover{box-shadow:0 10px 24px rgba(15,23,42,.10)}
.lf-btn:active{transform:translateY(1px)}
.lf-btn-primary{background:var(--brand);color:#fff;border-color:var(--brand-border)}
.lf-btn-primary:hover{background:var(--brand-hover)}
.lf-fab-row{margin-top:28px;text-align:center}

.lf-btn-mini{
  height:34px;padding:0 13px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);cursor:pointer;font-weight:600;font-size:13px;
}
.lf-btn-mini:hover{background:var(--brand-soft)}
.lf-btn-mini.lf-primary{background:var(--brand);color:#fff;border-color:var(--brand-border)}
.lf-btn-mini.lf-primary:hover{background:var(--brand-hover)}
.lf-btn-mini.lf-danger{color:var(--danger);border-color:var(--danger-line)}
.lf-btn-mini.lf-danger:hover{background:var(--danger-soft)}
.lf-done{color:var(--pos);font-weight:700;font-size:13px}

/* Cards / tables */
.lf-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 22px;margin-bottom:18px;box-shadow:var(--shadow-card);
}
.lf-card h2{margin:0 0 16px;font-size:18px;font-weight:800}
.lf-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.lf-table{width:100%;border-collapse:collapse;font-size:14px}
.lf-table th,.lf-table td{padding:11px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.lf-table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:700}
.lf-table tbody tr:hover{background:#fafcff}
.lf-inactive{opacity:.5}
.lf-row-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.lf-row-actions form{display:inline-flex;gap:5px;align-items:center;margin:0}

/* Forms */
.lf-inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.lf-app input,.lf-app select{
  height:44px;padding:0 13px;border-radius:var(--radius-control);
  border:1px solid var(--line);background:#fff;font:inherit;color:var(--text);
}
.lf-app input:focus,.lf-app select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,104,234,.15)
}
/* Custom dropdown chevron with breathing room (native arrow sat against the edge) */
.lf-app select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;
  padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%2364748b'%20stroke-width='2.5'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M6%209l6%206%206-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px 14px;
}
.lf-inline-form input,.lf-inline-form select{flex:0 1 auto}
.lf-app label{display:block;margin-bottom:13px;font-weight:600;font-size:14px;color:var(--text)}
.lf-app label input,.lf-app label select{display:block;width:100%;margin-top:7px;font-weight:400}

/* Emphasised "Tổng tiền" field — the primary input */
.lf-amount-label{font-weight:700;font-size:14px;color:var(--text)}
.lf-app .lf-amount-input{
  height:60px;font-size:26px;font-weight:800;letter-spacing:.4px;color:var(--text);
  border:2px solid var(--brand);background:#f7faff;border-radius:14px;padding:0 16px;
}
.lf-app .lf-amount-input::placeholder{font-weight:600;color:#9fb2d6;font-size:18px}
.lf-app .lf-amount-input:focus{box-shadow:0 0 0 4px rgba(47,104,234,.18)}

/* Flash */
.lf-flash-wrap{margin:0 0 16px;display:flex;flex-direction:column;gap:8px}
.lf-flash{padding:12px 16px;border-radius:var(--radius-control);font-weight:600;border:1px solid var(--line)}
.lf-flash-success{background:var(--success-bg);border-color:var(--success-line);color:var(--pos)}
.lf-flash-error{background:var(--danger-soft);border-color:var(--danger-line);color:#991b1b}

/* Login */
.lf-login-wrap{display:flex;justify-content:center;align-items:flex-start;padding-top:8vh}
.lf-login{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:34px 32px;width:min(380px,92vw);text-align:center;box-shadow:var(--shadow-card);
}
.lf-login h1{margin:0 0 22px;font-size:30px;font-weight:800}
.lf-login input{width:100%;height:48px;margin-bottom:14px;font-size:16px}
.lf-login .lf-btn{width:100%}

/* Modal */
.lf-modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:flex-start;justify-content:center;padding:5vh 16px;z-index:99999;overflow:auto}
.lf-modal.show{display:flex}
.lf-modal-box{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px;width:min(560px,100%);box-shadow:0 24px 60px rgba(15,23,42,.30)}
.lf-modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.lf-modal-head h2{margin:0;font-size:20px;font-weight:800}
.lf-modal-head button{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:16px;cursor:pointer;color:var(--muted)}
.lf-modal-head button:hover{background:var(--brand-soft);color:var(--text)}
.lf-field-label{font-weight:600;font-size:14px;margin-bottom:9px}
.lf-tiles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
/* Outline-button style toggles (not pills) */
.lf-tile{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border:1.5px solid var(--line);border-radius:var(--radius-control);cursor:pointer;margin:0;font-weight:600;font-size:14px;background:#fff;color:var(--text);transition:background .12s,color .12s,border-color .12s}
.lf-tile:hover{border-color:var(--brand);color:var(--brand)}
/* Hide the native checkbox robustly — generic .lf-app input rules (incl. the
   mobile height/width overrides further down) must not resurrect it. */
.lf-app .lf-tile input{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}
.lf-tile{line-height:1}
.lf-tile.lf-sel{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
/* Small circular check (SVG, perfectly centred) — only when selected. */
.lf-tile.lf-sel::before{
  content:"";flex:none;display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:7px;
  background-color:var(--brand);
  background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='none'%20stroke='%23ffffff'%20stroke-width='3.5'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M5%2012l4.5%204.5L19%207'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:7px 7px;
}
body.lf-modal-open{overflow:hidden}

/* Responsive */
@media(max-width:980px){.lf-members-grid{grid-template-columns:repeat(2,1fr)}}

@media(max-width:760px){
  .lf-app{padding:12px 12px 96px}        /* bottom space for sticky FAB */

  /* Sticky topbar so nav is always reachable */
  .lf-topbar{
    position:sticky;top:0;z-index:50;
    flex-direction:column;align-items:stretch;gap:10px;
    margin:-12px -12px 16px;border-radius:0;
    border-left:0;border-right:0;border-top:0;padding:12px 14px;
  }
  .lf-brand{font-size:19px}
  /* Nav becomes a horizontal scroll strip (no awkward wrap) */
  .lf-nav{
    width:100%;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;
    gap:8px;padding-bottom:2px;scrollbar-width:none;
  }
  .lf-nav::-webkit-scrollbar{display:none}
  .lf-nav a{flex:0 0 auto;height:40px}

  .lf-summary{grid-template-columns:1fr;gap:12px}
  .lf-stat{padding:20px 18px}
  .lf-stat-value{font-size:26px}

  /* Members become ONE light list instead of 7 heavy boxes */
  .lf-members-grid{
    grid-template-columns:1fr;gap:0;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .lf-member-card{
    border:0;border-radius:0;box-shadow:none;padding:13px 16px;
    border-bottom:1px solid var(--line);
  }
  .lf-member-card:last-child{border-bottom:0}
  .lf-member-card:hover{transform:none;box-shadow:none}
  .lf-member-balance{font-size:16px}

  .lf-card{padding:16px 16px}
  .lf-table{font-size:13px;min-width:480px}   /* keep columns; scroll inside wrap */

  /* Bigger touch targets */
  .lf-btn{height:48px;font-size:16px}
  .lf-btn-mini{height:36px}
  .lf-app input,.lf-app select{height:46px;font-size:16px}  /* 16px = no iOS zoom */
  .lf-tile{padding:10px 15px}

  /* Quick meal-entry button pinned to the bottom for thumb reach */
  .lf-fab-row{
    position:fixed;left:0;right:0;bottom:0;margin:0;z-index:60;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:linear-gradient(180deg,rgba(245,247,251,0),#f5f7fb 38%);
    text-align:center;
  }
  .lf-fab-row .lf-btn{width:100%;max-width:480px;box-shadow:0 8px 24px rgba(47,104,234,.30)}

  .lf-modal{padding:0;align-items:flex-end}        /* bottom sheet */
  .lf-modal-box{width:100%;max-width:none;border-radius:18px 18px 0 0;max-height:92vh;overflow:auto}
  .lf-login-wrap{padding-top:6vh}
}