/* =========================================================
   دفتر الديون — Design tokens
   Palette inspired by a merchant's paper debt ledger:
   warm paper background, deep teal ink for brand/primary,
   rose/red ink for debt, amber ink for balance/warning.
   ========================================================= */
:root{
  --paper-50:#F7F4EC;
  --paper-100:#EFEAdd;
  --paper-200:#E3DCC9;
  --ink-900:#161F1B;
  --ink-700:#3B453F;
  --ink-500:#6E766F;
  --teal-600:#0F6E5E;
  --teal-700:#0B5245;
  --teal-100:#DCEEE9;
  --rose-600:#AE4038;
  --rose-100:#F3DFDB;
  --amber-600:#B9812B;
  --amber-100:#F3E6CB;
  --slate-500:#6B7280;
  --line:#D9D0BA;
  --card-bg:#FFFDF8;
  --shadow:0 1px 2px rgba(22,31,27,.06), 0 6px 20px -8px rgba(22,31,27,.12);
  --radius-sm:6px;
  --radius:10px;
  --radius-lg:16px;
  --font-display:'Tajawal', 'Segoe UI', Tahoma, sans-serif;
  --font-body:'Tajawal', 'Segoe UI', Tahoma, sans-serif;
  --font-mono:'IBM Plex Mono', 'Consolas', monospace;
  --sidebar-w:252px;
}
/* إصلاح حاسم: عناصر مثل .modal-overlay و .wave تُعرّف بـ display:flex
   بنفس درجة تخصيص قاعدة المتصفح الافتراضية [hidden]{display:none},
   فتفوز عليها وتبقى الطبقة معروضة وتغطي الشاشة كاملة حتى مع وجود hidden،
   مما كان يمنع كل الأزرار من العمل لأن طبقة شفافة كانت تعترض كل نقرة. */
[hidden]{
  display:none !important;
}

[data-theme="dark"]{
  --paper-50:#121815;
  --paper-100:#161E1A;
  --paper-200:#1E2822;
  --ink-900:#EDEAE0;
  --ink-700:#C7C3B6;
  --ink-500:#8F9690;
  --teal-600:#3FBFA0;
  --teal-700:#2E9880;
  --teal-100:#173029;
  --rose-600:#E08B83;
  --rose-100:#33201E;
  --amber-600:#E3B15E;
  --amber-100:#332711;
  --slate-500:#9AA1A8;
  --line:#2A332C;
  --card-bg:#171F1B;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -8px rgba(0,0,0,.5);
}

*,*::before,*::after{box-sizing:border-box;}
html{color-scheme:light dark;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper-50);
  color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease, color .25s ease;
}
h1,h2,h3{font-family:var(--font-display); margin:0; letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit; cursor:pointer;}
input,select,textarea{font-family:inherit;}
.muted{color:var(--ink-500); font-size:.92rem;}
svg{width:20px;height:20px;fill:currentColor;flex:none;}

/* subtle paper ledger-line texture on background */
body::before{
  content:"";
  position:fixed; inset:0; pointer-events:none; z-index:0;
  background-image:repeating-linear-gradient(
    to bottom, transparent 0 39px, var(--line) 39px 40px
  );
  opacity:.18;
}

/* =========================== Splash =========================== */
.splash{
  position:fixed; inset:0; z-index:999;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:14px; background:var(--paper-50); color:var(--teal-600);
  animation:splashOut .5s ease 1.1s forwards;
}
.splash-logo{
  width:120px;
  height:120px;
  display:flex;
  align-items:center;
  justify-content:center;
  animation:stampIn .6s cubic-bezier(.2,1.4,.4,1);
}
.logo-img{
  width:100%;
  height:auto;
  object-fit:contain;
}
.splash p{font-family:var(--font-display); font-weight:800; font-size:1.2rem; color:var(--ink-900);}
@keyframes stampIn{from{transform:scale(1.6) rotate(-8deg); opacity:0;} to{transform:scale(1) rotate(0); opacity:1;}}
@keyframes splashOut{to{opacity:0; visibility:hidden; pointer-events:none;}}
@media (prefers-reduced-motion:reduce){.splash-stamp{animation:none;} .splash{animation:splashOut .3s ease 1s forwards;}}

/* =========================== Shell =========================== */
.app-shell{
  position:relative; z-index:1;
  display:grid; grid-template-columns:var(--sidebar-w) 1fr;
  min-height:100vh;
}

.sidebar{
  background:var(--paper-100);
  border-inline-start:1px solid var(--line);
  padding:22px 18px;
  display:flex; flex-direction:column; gap:22px;
  position:sticky; top:0; height:100vh;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand-logo{
  width:44px;
  height:44px;
  object-fit:contain;
  flex:none;
}
.brand-text{display:flex; flex-direction:column; line-height:1.3;}
.brand-text strong{font-size:1.02rem;}
.brand-text small{color:var(--ink-500); font-size:.76rem;}

.nav{display:flex; flex-direction:column; gap:2px; flex:1;}
.nav-item{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:var(--radius-sm);
  background:transparent; border:none; color:var(--ink-700);
  font-size:.92rem; text-align:right; transition:background .15s, color .15s;
}
.nav-item:hover{background:var(--paper-200);}
.nav-item.active{background:var(--teal-600); color:#fff;}
.nav-item svg{opacity:.9;}

.dev-btn{
  display:flex; align-items:center; gap:8px;
  border:1px dashed var(--line); background:transparent;
  color:var(--ink-500); border-radius:var(--radius-sm);
  padding:10px 12px; font-size:.85rem;
}
.dev-btn:hover{color:var(--teal-600); border-color:var(--teal-600);}

/* الشريط العلوي الثابت للجوال */
.app-header-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--paper-100);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: var(--shadow);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--teal-600);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--teal-600);
}

.mobile-logo {
  height: 32px;
  width: auto;
}

/* الزر العائم */
.fab-voice {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--teal-600);
  color: #fff;
  border: none;
  box-shadow: 0 8px 32px rgba(15, 110, 94, 0.4);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s;
}

.fab-voice:active {
  transform: scale(0.9);
}

.fab-voice svg {
  width: 28px;
  height: 28px;
}
.sidebar-overlay{display:none;}

.content{
  padding:26px 32px 60px;
  min-width:0;
}

.view{display:none; animation:fadeUp .35s ease;}
.view.active{display:block;}
@keyframes fadeUp{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

.view-header{
  display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
  margin-bottom:22px; flex-wrap:wrap;
}
.view-header h1{font-size:1.5rem; font-weight:800;}
.header-actions{display:flex; gap:10px; flex-wrap:wrap;}
.back-btn{
  background:none;border:none;color:var(--teal-600); padding:0 0 8px;
  font-size:.85rem; font-weight:600;
}

/* =========================== Buttons =========================== */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 16px; border-radius:var(--radius-sm);
  border:1px solid transparent; font-size:.88rem; font-weight:600;
  transition:transform .1s ease, filter .15s ease, background .15s;
}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--teal-600); color:#fff;}
.btn-primary:hover{filter:brightness(1.08);}
.btn-ghost{background:transparent; border-color:var(--line); color:var(--ink-700);}
.btn-ghost:hover{border-color:var(--teal-600); color:var(--teal-600);}
.btn-danger{background:var(--rose-600); color:#fff;}
.btn-danger:hover{filter:brightness(1.08);}
.link-btn{background:none;border:none;color:var(--teal-600); font-size:.85rem; font-weight:600;}

/* =========================== Stamp stat cards =========================== */
.stamp-row{
  display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:22px;
}
.stamp-row.three{grid-template-columns:repeat(3,1fr);}
.stamp-card{
  background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius);
  padding:16px 18px; display:flex; flex-direction:column; gap:6px;
  box-shadow:var(--shadow); position:relative; overflow:hidden;
}
.stamp-card::after{
  content:""; position:absolute; inset-inline-end:-14px; top:-14px;
  width:70px;height:70px;border-radius:50%; opacity:.12; background:currentColor;
}
.stamp-card.ink-teal{color:var(--teal-600);}
.stamp-card.ink-rose{color:var(--rose-600);}
.stamp-card.ink-amber{color:var(--amber-600);}
.stamp-card.ink-slate{color:var(--slate-500);}
.stamp-label{font-size:.78rem; color:var(--ink-500); font-weight:600;}
.stamp-value{font-family:var(--font-mono); font-size:1.7rem; font-weight:600; color:var(--ink-900);}
.stamp-unit{font-size:.72rem; color:currentColor; font-weight:700;}

/* =========================== Cards / grid =========================== */
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px;}
.card{
  background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; box-shadow:var(--shadow); margin-bottom:16px;
}
.card-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:12px;}
.card-head h3{font-size:1rem; font-weight:700;}

/* =========================== Ranked list (top debtors) =========================== */
.ranked-list{display:flex; flex-direction:column; gap:10px;}
.ranked-row{
  display:flex; align-items:center; gap:12px; padding:8px 0;
  border-bottom:1px dashed var(--line);
}
.ranked-row:last-child{border-bottom:none;}
.rank-badge{
  width:26px;height:26px;border-radius:50%; background:var(--teal-100); color:var(--teal-700);
  display:flex;align-items:center;justify-content:center; font-size:.78rem; font-weight:800; flex:none;
}
.ranked-row .rname{flex:1; font-weight:600; font-size:.9rem;}
.ranked-row .ramount{font-family:var(--font-mono); font-weight:600; color:var(--rose-600);}
.rank-bar-track{height:5px; background:var(--paper-200); border-radius:4px; flex:1; max-width:120px; overflow:hidden;}
.rank-bar-fill{height:100%; background:var(--rose-600); border-radius:4px;}

/* =========================== Tables (ledger style) =========================== */
.table-wrap{padding:0; overflow-x:auto;}
.ledger-table{width:100%; border-collapse:collapse; font-size:.88rem; min-width:640px;}
.ledger-table thead th{
  text-align:right; padding:14px 18px; font-size:.76rem; color:var(--ink-500);
  border-bottom:1px solid var(--line); font-weight:700; white-space:nowrap;
}
.ledger-table tbody td{padding:13px 18px; border-bottom:1px dashed var(--line); vertical-align:middle;}
.ledger-table tbody tr:last-child td{border-bottom:none;}
.ledger-table tbody tr{transition:background .12s;}
.ledger-table tbody tr:hover{background:var(--paper-100);}
.client-cell{display:flex; align-items:center; gap:10px; cursor:pointer;}
.avatar{
  width:34px;height:34px;border-radius:50%; background:var(--teal-100); color:var(--teal-700);
  display:flex;align-items:center;justify-content:center; font-weight:700; font-size:.85rem; flex:none;
}
.balance-pill{
  font-family:var(--font-mono); font-weight:700; padding:3px 10px; border-radius:99px; font-size:.82rem;
  display:inline-block;
}
.balance-pill.pos{background:var(--rose-100); color:var(--rose-600);}
.balance-pill.neg{background:var(--teal-100); color:var(--teal-700);}
.balance-pill.zero{background:var(--paper-200); color:var(--ink-500);}
.type-pill{padding:3px 10px; border-radius:99px; font-size:.78rem; font-weight:700;}
.type-pill.debt{background:var(--rose-100); color:var(--rose-600);}
.type-pill.payment{background:var(--teal-100); color:var(--teal-700);}
.row-actions{display:flex; gap:6px; justify-content:flex-end;}
.icon-btn{
  width:30px;height:30px; border-radius:8px; border:1px solid var(--line); background:transparent;
  display:flex;align-items:center;justify-content:center; color:var(--ink-500);
}
.icon-btn svg{width:15px;height:15px;}
.icon-btn:hover{border-color:var(--teal-600); color:var(--teal-600);}

/* =========================== Toolbar =========================== */
.toolbar{display:flex; gap:10px; margin-bottom:16px; flex-wrap:wrap; align-items:center;}
.search-box{
  flex:1; min-width:220px; display:flex; align-items:center; gap:8px;
  background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:9px 12px;
}
.search-box svg{width:16px;height:16px; color:var(--ink-500);}
.search-box input{border:none; outline:none; background:transparent; width:100%; color:var(--ink-900); font-size:.88rem;}
select, .form-grid input, .form-grid textarea{
  background:var(--card-bg); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:9px 12px; color:var(--ink-900); font-size:.88rem; outline:none; width:100%;
}
select:focus, .form-grid input:focus, .form-grid textarea:focus, .search-box input:focus{border-color:var(--teal-600);}

/* =========================== Empty state =========================== */
.empty-state{padding:50px 20px; text-align:center; color:var(--ink-500);}
.empty-state p{margin-bottom:14px;}

/* =========================== Voice recording =========================== */
.voice-stage{display:flex; flex-direction:column; align-items:center; gap:20px; padding:36px 18px;}
.voice-mic-wrap{display:flex; flex-direction:column; align-items:center; gap:12px;}
.mic-btn{
  width:96px;height:96px;border-radius:50%; border:none;
  background:var(--teal-600); color:#fff; display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px -6px rgba(15,110,94,.5);
  transition:transform .15s, background .15s;
}
.mic-btn svg{width:38px;height:38px;}
.mic-btn:hover{transform:scale(1.04);}
.mic-btn.recording{background:var(--rose-600); animation:pulse 1.4s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(174,64,56,.45);}
  70%{box-shadow:0 0 0 22px rgba(174,64,56,0);}
  100%{box-shadow:0 0 0 0 rgba(174,64,56,0);}
}
.mic-status{color:var(--ink-500); font-size:.9rem; font-weight:600;}
.wave{display:flex; align-items:center; gap:4px; height:26px;}
.wave span{width:3px; background:var(--teal-600); border-radius:2px; animation:waveMove 1s ease-in-out infinite;}
.wave span:nth-child(1){animation-delay:.0s;height:10px;}
.wave span:nth-child(2){animation-delay:.1s;height:20px;}
.wave span:nth-child(3){animation-delay:.2s;height:8px;}
.wave span:nth-child(4){animation-delay:.3s;height:24px;}
.wave span:nth-child(5){animation-delay:.4s;height:14px;}
.wave span:nth-child(6){animation-delay:.5s;height:20px;}
.wave span:nth-child(7){animation-delay:.6s;height:9px;}
@keyframes waveMove{0%,100%{transform:scaleY(.4);} 50%{transform:scaleY(1);}}

.voice-hint{
  background:var(--paper-100); border:1px dashed var(--line); border-radius:var(--radius);
  padding:14px 18px; font-size:.85rem; max-width:520px; width:100%;
}
.voice-hint ul{margin:8px 0 0; padding-inline-start:20px; color:var(--ink-700); line-height:1.9;}

.transcript-box{
  width:100%; max-width:520px; background:var(--card-bg); border:1px solid var(--line);
  border-radius:var(--radius); padding:14px 16px;
}
.transcript-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:8px;}
.transcript-head span:first-child{font-size:.78rem; color:var(--ink-500); font-weight:700;}
#transcriptText{font-size:.95rem; line-height:1.7;}
.badge{background:var(--amber-100); color:var(--amber-600); padding:3px 10px; border-radius:99px; font-size:.75rem; font-weight:700;}
.badge.high{background:var(--teal-100); color:var(--teal-700);}
.badge.low{background:var(--rose-100); color:var(--rose-600);}

.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.form-grid label{display:flex; flex-direction:column; gap:6px; font-size:.82rem; font-weight:600; color:var(--ink-700);}
.form-grid label.full{grid-column:1/-1;}
.form-actions{display:flex; justify-content:flex-end; gap:10px; margin-top:16px;}
.combo{position:relative; display:flex; align-items:center;}
.combo-tag{position:absolute; inset-inline-end:10px; font-size:.72rem; color:var(--teal-600); font-weight:700;}
.voice-support-note{text-align:center; color:var(--ink-500); font-size:.8rem; margin-top:10px;}

/* =========================== Statement / kashif =========================== */
.statement-wrap{overflow-x:auto;}
.tx-list{display:flex; flex-direction:column; gap:0;}
.tx-row{
  display:flex; align-items:center; gap:12px; padding:12px 4px;
  border-bottom:1px dashed var(--line);
}
.tx-row:last-child{border-bottom:none;}
.tx-icon{
  width:36px;height:36px;border-radius:50%; display:flex;align-items:center;justify-content:center; flex:none;
}
.tx-icon.debt{background:var(--rose-100); color:var(--rose-600);}
.tx-icon.payment{background:var(--teal-100); color:var(--teal-700);}
.tx-icon svg{width:17px;height:17px;}
.tx-main{flex:1; min-width:0;}
.tx-main strong{display:block; font-size:.9rem;}
.tx-main span{font-size:.78rem; color:var(--ink-500);}
.tx-amount{font-family:var(--font-mono); font-weight:700; font-size:.92rem;}
.tx-amount.debt{color:var(--rose-600);}
.tx-amount.payment{color:var(--teal-700);}

/* =========================== Modals =========================== */
.modal-overlay{
  position:fixed; inset:0; background:rgba(15,20,17,.5); backdrop-filter:blur(2px);
  display:flex; align-items:center; justify-content:center; z-index:200; padding:16px;
  animation:fadeIn .2s ease;
}
@keyframes fadeIn{from{opacity:0;} to{opacity:1;}}
.modal{
  background:var(--card-bg); border-radius:var(--radius-lg); padding:22px;
  width:100%; max-width:560px; max-height:88vh; overflow-y:auto;
  box-shadow:0 20px 60px -10px rgba(0,0,0,.35);
  animation:modalIn .22s cubic-bezier(.2,1,.3,1);
}
.modal.small{max-width:400px;}
@keyframes modalIn{from{opacity:0; transform:translateY(10px) scale(.98);} to{opacity:1; transform:translateY(0) scale(1);}}
.modal-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:16px;}
.modal-close{background:none; border:none; font-size:1.4rem; color:var(--ink-500); line-height:1;}
.modal-close:hover{color:var(--rose-600);}

.about-modal .about-body{text-align:center; display:flex; flex-direction:column; align-items:center; gap:6px; padding:6px 0 4px;}
.about-stamp{
  width:64px;height:64px;border-radius:50%; background:var(--teal-600); color:#fff;
  display:flex;align-items:center;justify-content:center; font-weight:800; font-size:1.2rem; margin-bottom:8px;
}
.about-body h2{font-size:1.15rem;}
.about-body .btn{margin-top:14px;}
.about-note{margin-top:10px; font-size:.78rem; color:var(--ink-500);}

/* =========================== Settings =========================== */
.settings-card{padding:6px 18px;}
.settings-row{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:16px 0; border-bottom:1px solid var(--line);
}
.settings-row:last-child{border-bottom:none;}
.settings-row input, .settings-row select{max-width:260px;}
.settings-row.danger strong{color:var(--rose-600);}
.theme-toggle{
  display:flex; align-items:center; gap:8px; background:var(--paper-100); border:1px solid var(--line);
  border-radius:99px; padding:8px 16px; font-size:.85rem; font-weight:600; color:var(--ink-700);
}
.theme-toggle svg{width:16px;height:16px;}

/* =========================== Toasts =========================== */
.toast-stack{position:fixed; bottom:20px; left:20px; z-index:400; display:flex; flex-direction:column; gap:8px;}
.toast{
  background:var(--ink-900); color:var(--paper-50); padding:11px 18px; border-radius:var(--radius-sm);
  font-size:.85rem; box-shadow:var(--shadow); animation:toastIn .25s ease; max-width:320px;
}
.toast.error{background:var(--rose-600); color:#fff;}
.toast.success{background:var(--teal-600); color:#fff;}
@keyframes toastIn{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:translateY(0);}}

/* =========================== Print invoice =========================== */
.print-invoice{display:none;}
@media print{
  body *{visibility:hidden;}
  .print-invoice, .print-invoice *{visibility:visible;}
  .print-invoice{
    display:block; position:absolute; inset-inline-start:0; top:0; width:100%;
    padding:30px; font-family:var(--font-body); color:#111; background:#fff;
  }
  .print-invoice h1{font-size:1.4rem; margin-bottom:2px;}
  .print-invoice table{width:100%; border-collapse:collapse; margin-top:14px;}
  .print-invoice th, .print-invoice td{border:1px solid #ccc; padding:8px 10px; font-size:.85rem; text-align:right;}
  .print-invoice .inv-head{display:flex; justify-content:space-between; border-bottom:2px solid #111; padding-bottom:10px; margin-bottom:10px;}
  .print-invoice .inv-total{margin-top:14px; font-weight:800; font-size:1.05rem; text-align:left;}
}

/* =========================== Responsive =========================== */
@media (max-width:1000px){
  .grid-2{grid-template-columns:1fr;}
  .stamp-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .app-shell{grid-template-columns:1fr;}
  .sidebar{
    position:fixed; inset-inline-start:0; top:0; height:100vh; width:250px; z-index:110;
    transform:translateX(105%); transition:transform .25s ease;
  }
  [dir="rtl"] .sidebar{transform:translateX(105%);}
  .sidebar.open{transform:translateX(0);}
  .app-header-mobile{display:flex;}
  .sidebar-overlay.show{
    display:block; position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:105;
  }
  .content{padding:80px 16px 60px;}
  .form-grid{grid-template-columns:1fr;}
  .stamp-row{grid-template-columns:1fr 1fr;}
  .view-header{flex-direction:column; align-items:flex-start;}
}
@media (max-width:480px){
  .content{padding:80px 12px 100px;}
  .stamp-row{grid-template-columns:repeat(2, 1fr); gap: 10px;}
  .stamp-card{padding: 12px; gap: 4px;}
  .stamp-value{font-size: 1.3rem;}
}

/* focus visibility for a11y */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--teal-600); outline-offset:2px;
}