/* ============ Design tokens ============ */
:root{
  --bg:#F4F1EA; --surface:#fff; --ink:#14181D; --ink-2:#4B5560; --muted:#868C96; --line:#E6E0D2; --line-2:#EFEAE0;
  --green:#146B4F; --green-dark:#0E5139; --green-soft:#E3F1EA; --gold:#E0A84D; --gold-soft:#FBF1DC;
  --danger:#C24A3B; --danger-soft:#FBEAE7; --warn:#A87420; --info:#2872A0; --info-soft:#E6F0F7;
  --radius:12px; --radius-sm:8px; --shadow:0 1px 2px rgba(20,24,29,.04),0 6px 20px rgba(20,24,29,.06);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; --serif:var(--font);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--green);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3{margin:0;line-height:1.2}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
:focus-visible{outline:3px solid rgba(20,107,79,.35);outline-offset:2px;border-radius:6px}

/* ============ Icons ============ */
.ic{width:1.1em;height:1.1em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-.15em}
.icon-btn .ic{width:17px;height:17px}
.btn .ic{width:1.05em;height:1.05em}
.search .ic{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);width:16px;height:16px}
.empty .ico .ic{width:28px;height:28px} .dlg .ico .ic{width:22px;height:22px}
.card-title .ic{color:var(--green);width:16px;height:16px}
.nav a .ic{width:17px;height:17px}

/* ============ App shell ============ */
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1180px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;}
.brand:hover{text-decoration:none}
.brand img{height:38px;width:auto;display:block}
.nav{display:flex;gap:4px;flex:1}
.nav a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;color:var(--ink-2);font-weight:600;font-size:.9rem}
.nav a:hover{background:var(--line-2);text-decoration:none;color:var(--ink)}
.nav a.active{background:var(--green-soft);color:var(--green-dark)}
.user{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}
.user-name{font-weight:600;font-size:.88rem;color:var(--ink-2)}
.container{max-width:1180px;margin:0 auto;padding:28px 20px 80px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head h1{font-size:1.65rem;font-weight:700;}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:.92rem}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;border-radius:10px;padding:10px 18px;font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;transition:background .15s,border-color .15s,transform .05s;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none} .btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#fff} .btn-primary:hover{background:var(--green-dark)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)} .btn-outline:hover{border-color:var(--ink-2)}
.btn-ghost{background:transparent;color:var(--ink-2)} .btn-ghost:hover{background:var(--line-2)}
.btn-danger{background:var(--danger);color:#fff} .btn-danger:hover{background:#a63c2f}
.btn-sm{padding:7px 12px;font-size:.82rem;border-radius:8px}
.btn-block{width:100%}
.icon-btn{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--ink-2);cursor:pointer;font-size:.9rem}
.icon-btn:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.icon-btn.danger:hover{background:var(--danger-soft);color:var(--danger)}

/* ============ Cards / forms ============ */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:22px}
.card-title{display:flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.card-title i{color:var(--green)}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
.span2{grid-column:span 2} .span-all{grid-column:1/-1}
label.lbl{display:block;font-size:.8rem;font-weight:700;color:var(--ink-2);margin-bottom:6px}
.hint{font-size:.76rem;color:var(--muted);margin-top:5px}
.input,select.input,textarea.input{width:100%;border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;font:inherit;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.input:hover{border-color:#d3ccbb}
.input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(20,107,79,.12)}
textarea.input{resize:vertical;min-height:70px}
select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23868C96' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.input-group{display:flex;align-items:stretch}
.input-group .input{border-radius:10px 0 0 10px}
.input-group .addon{display:grid;place-items:center;padding:0 12px;border:1.5px solid var(--line);border-left:0;border-radius:0 10px 10px 0;background:var(--bg);font-weight:700;font-size:.8rem;color:var(--ink-2)}

/* ============ Flash / pills ============ */
.flash{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-weight:600;font-size:.92rem;border:1px solid}
.flash.success{background:var(--green-soft);border-color:#bfdccf;color:var(--green-dark)}
.flash.info{background:var(--info-soft);border-color:#c5dcea;color:var(--info)}
.flash a{margin-left:auto;font-weight:700}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:.72rem;font-weight:700;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.paid{background:var(--green-soft);color:var(--green-dark)}
.pill.partial{background:var(--gold-soft);color:var(--warn)}
.pill.unpaid{background:var(--line-2);color:var(--ink-2)}
.pill.overdue{background:var(--danger-soft);color:var(--danger)}

/* ============ History ============ */
.toolbar{display:grid;grid-template-columns:1.6fr 1fr 1fr auto;gap:10px;padding:14px;margin-bottom:16px;align-items:center}
.search{position:relative}
.search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem}
.search .input{padding-left:36px}
.table-wrap{overflow-x:auto}
table.list{width:100%;border-collapse:collapse}
table.list th{text-align:left;font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
table.list td{padding:14px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.list tr:last-child td{border-bottom:0}
table.list tbody tr:hover{background:#FCFBF8}
table.list .r{text-align:right} table.list .num{font-variant-numeric:tabular-nums}
.inv-no{white-space:nowrap;font-weight:700;color:var(--ink);}
.sub{display:block;color:var(--muted);font-size:.8rem;margin-top:1px}
.actions{display:flex;justify-content:flex-end;gap:2px}
.empty{text-align:center;padding:64px 20px}
.empty .ico{width:64px;height:64px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;margin:0 auto 16px;font-size:1.5rem}
.empty h3{font-size:1.15rem;margin-bottom:6px} .empty p{color:var(--muted);margin:0 0 20px}
.pager{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.pager .btns{display:flex;gap:6px}

/* ============ Invoice form ============ */
.form-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.stack{display:grid;gap:18px}
.items-head,.item-row{display:grid;grid-template-columns:minmax(0,1fr) 84px 124px 112px 34px;gap:10px;align-items:center}
.items-head{font-size:.7rem;letter-spacing:.07em;text-transform:uppercase;font-weight:700;color:var(--muted);padding:0 0 8px}
.item-row{margin-bottom:10px}
.item-row .amount{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.items-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:6px}
.chip{border:1px dashed #cfc7b4;background:transparent;border-radius:999px;padding:5px 12px;font:inherit;font-size:.78rem;font-weight:600;color:var(--ink-2);cursor:pointer}
.chip:hover{border-color:var(--green);color:var(--green);background:var(--green-soft)}
.summary{position:sticky;top:84px}
.sum-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:.92rem;color:var(--ink-2)}
.sum-row b{color:var(--ink);font-variant-numeric:tabular-nums}
.sum-row .input{width:110px;padding:6px 10px;text-align:right}
.sum-total{border-top:1.5px solid var(--ink);margin-top:8px;padding-top:12px;font-size:1.05rem;color:var(--ink);font-weight:700}
.balance{margin-top:14px;border-radius:var(--radius-sm);background:var(--ink);color:#fff;padding:16px;text-align:center}
.balance .k{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:700}
.balance .v{font-family:var(--serif);font-size:1.8rem;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
.balance.settled{background:var(--green)} .balance.settled .k{color:#bfe3d2}
.form-actions{display:grid;gap:8px;margin-top:16px}

/* ============ Dialog ============ */
dialog{border:0;border-radius:16px;padding:0;max-width:420px;width:calc(100% - 32px);box-shadow:0 24px 60px rgba(20,24,29,.28)}
dialog::backdrop{background:rgba(20,24,29,.5);backdrop-filter:blur(2px)}
.dlg{padding:26px}
.dlg .ico{width:48px;height:48px;border-radius:50%;background:var(--danger-soft);color:var(--danger);display:grid;place-items:center;font-size:1.2rem;margin-bottom:14px}
.dlg h3{font-size:1.15rem;margin-bottom:6px} .dlg p{margin:0 0 20px;color:var(--ink-2)}
.dlg .row{display:flex;gap:10px;justify-content:flex-end}

/* ============ Riads page ============ */
details.riad{margin-bottom:12px}
details.riad>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:16px 20px}
details.riad>summary::-webkit-details-marker{display:none}
.monogram{width:42px;height:42px;border-radius:12px;background:var(--green-soft);color:var(--green-dark);display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:1.05rem;flex:none}
details.riad .chev{margin-left:auto;color:var(--muted);transition:transform .2s}
details.riad[open] .chev{transform:rotate(180deg)}
details.riad .body{padding:4px 20px 22px;border-top:1px solid var(--line-2)}

/* ============ Login ============ */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--bg)}
.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:34px 32px 30px}
.login-logo{display:block;height:58px;width:auto;margin:0 auto 22px}
.login-card h1{font-size:1.35rem;font-weight:700;text-align:center;margin-bottom:24px}
.field{margin-bottom:16px}
.pw{position:relative}
.pw button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--muted);cursor:pointer;width:34px;height:34px;border-radius:8px}
.pw button:hover{background:var(--line-2);color:var(--ink)}
.pw .input{padding-right:44px}
.alert-err{display:flex;gap:10px;align-items:flex-start;background:var(--danger-soft);color:var(--danger);border:1px solid #f0c9c3;padding:11px 13px;border-radius:10px;font-weight:500;font-size:.88rem;margin-bottom:18px}

/* ============ Responsive ============ */
@media(max-width:960px){
  .form-layout{grid-template-columns:1fr} .summary{position:static}
  .toolbar{grid-template-columns:1fr 1fr} .toolbar .search{grid-column:1/-1}
  .g4{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .topbar-in{gap:10px;padding:0 12px} .user-name{display:none} .brand img{height:32px}
  .nav a span{display:none} .nav a{padding:9px 12px}
  .g2,.g3,.g4{grid-template-columns:1fr} .span2{grid-column:auto}
  .items-head{display:none}
  .item-row{grid-template-columns:1fr 1fr 34px;padding:12px;border:1px solid var(--line-2);border-radius:10px;background:#FCFBF8}
  .item-row .desc{grid-column:1/-1} .item-row .amount{grid-column:1/3;text-align:left}
  .container{padding:20px 14px 70px} .page-head h1{font-size:1.4rem}
  table.list th:nth-child(3),table.list td:nth-child(3){display:none}
}