:root{
  --bg:#fdf1f7;
  --surface:#ffffff;
  --surface-alt:#fce8f2;
  --border:#f3cbe0;
  --ink:#4a1338;
  --ink-muted:#93547e;
  --accent:#d6336c;
  --accent-strong:#b5265a;
  --accent-ink:#ffffff;
  --fuchsia:#a21caf;
  --fuchsia-bg:#f6def0;
  --danger:#c81e3a;
  --danger-bg:#fbdde3;
  --info-bg:#f7e8f5;
  --info-border:#e6b8d9;
  --shadow:0 1px 2px rgba(90,20,60,.08),0 8px 24px rgba(90,20,60,.08);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1d0f18;
    --surface:#2b1522;
    --surface-alt:#331a29;
    --border:#4a2438;
    --ink:#f7e3ef;
    --ink-muted:#c98fb0;
    --accent:#ff6fa0;
    --accent-strong:#ff8fb5;
    --accent-ink:#2a0f1c;
    --fuchsia:#e879f9;
    --fuchsia-bg:#3a1a3d;
    --danger:#ff6b6b;
    --danger-bg:#3a1418;
    --info-bg:#2a1a30;
    --info-border:#4a2a52;
    --shadow:0 1px 2px rgba(0,0,0,.35),0 8px 24px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --bg:#1d0f18;
  --surface:#2b1522;
  --surface-alt:#331a29;
  --border:#4a2438;
  --ink:#f7e3ef;
  --ink-muted:#c98fb0;
  --accent:#ff6fa0;
  --accent-strong:#ff8fb5;
  --accent-ink:#2a0f1c;
  --fuchsia:#e879f9;
  --fuchsia-bg:#3a1a3d;
  --danger:#ff6b6b;
  --danger-bg:#3a1418;
  --info-bg:#2a1a30;
  --info-border:#4a2a52;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 8px 24px rgba(0,0,0,.3);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Tajawal','Segoe UI',Tahoma,sans-serif;
  direction:rtl;
  text-align:right;
  line-height:1.6;
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}
.shell{max-width:920px;margin:0 auto;padding:20px 20px 90px;}
.letterhead{margin:0 0 18px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);}
.letterhead img{display:block;width:100%;height:auto;filter:hue-rotate(147deg) saturate(1.3) brightness(1.2);}
h1,h2,h3{font-family:'Tajawal',Tahoma,sans-serif;font-weight:800;text-wrap:balance;margin:0;}
a{color:var(--accent);}

/* header */
.topbar{position:sticky;top:0;background:var(--bg);padding-top:14px;z-index:5;border-bottom:1px solid var(--border);}
.brand-row{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;padding-bottom:14px;}
.brand h1{font-size:clamp(1.4rem,1.05rem + 1.3vw,2rem);}
.brand p{margin:6px 0 0;color:var(--ink-muted);font-size:.92rem;}
.topbar-actions{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:14px;}
.btn{
  font-family:inherit;font-weight:600;padding:10px 18px;border-radius:10px;border:1px solid transparent;
  cursor:pointer;font-size:.9rem;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{background:var(--accent-strong);}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--ink);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-icon{background:none;border:1px solid var(--border);border-radius:8px;color:var(--ink-muted);cursor:pointer;width:34px;height:34px;flex:0 0 auto;font-size:1rem;}
.btn-icon:hover{border-color:var(--danger);color:var(--danger);}

/* banners */
.banner{border-radius:12px;padding:14px 16px;margin:18px 0;font-size:.92rem;border:1px solid var(--info-border);background:var(--info-bg);}
.banner.warn{border-color:var(--fuchsia);background:var(--fuchsia-bg);}
.banner.error{border-color:var(--danger);background:var(--danger-bg);}
.banner strong{display:block;margin-bottom:2px;}
.banner .btn{margin-top:10px;}
.lost-answer-box{border:1px solid var(--danger);background:var(--danger-bg);border-radius:12px;padding:14px 16px;margin:18px 0;font-size:.9rem;}
.lost-answer-box .btn{margin-inline-start:8px;}

/* fields */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
label{font-weight:600;font-size:.9rem;}
.hint{color:var(--ink-muted);font-size:.82rem;}
input[type="text"]{
  width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:9px;
  background:var(--surface);color:var(--ink);font-family:inherit;font-size:1rem;
}
input[type="text"]:focus-visible{outline:2px solid var(--accent);outline-offset:1px;}
input[type="text"]:disabled{opacity:.6;}
.error-text{color:var(--danger);font-size:.82rem;margin:2px 0 0;}

/* heading cards */
.heading-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin-bottom:16px;box-shadow:var(--shadow);}
.heading-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;}
.heading-card h2{font-size:1.1rem;}
.heading-date{color:var(--fuchsia);font-size:.83rem;font-weight:600;margin:4px 0 0;font-variant-numeric:tabular-nums;}
.complete-badge{
  flex:0 0 auto;background:var(--accent);color:var(--accent-ink);border-radius:999px;
  padding:4px 14px;font-size:.78rem;font-weight:700;white-space:nowrap;margin-top:2px;
}

.add-row{display:flex;align-items:center;gap:10px;margin:16px 0 4px;}
.add-row input{flex:1;}
.btn-add{
  flex:0 0 auto;background:var(--accent);color:var(--accent-ink);border:none;border-radius:9px;
  padding:11px 18px;font-family:inherit;font-weight:700;cursor:pointer;font-size:.88rem;
}
.btn-add:hover{background:var(--accent-strong);}
.btn-add:disabled{opacity:.55;cursor:not-allowed;}

.answer-badge{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--fuchsia-bg);color:var(--fuchsia);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;border:1px solid var(--fuchsia);
}
.answer-badge.small{width:24px;height:24px;font-size:.8rem;}

.all-message{
  background:var(--fuchsia-bg);color:var(--fuchsia);border-radius:10px;padding:14px 16px;
  margin-top:14px;font-weight:700;text-align:center;font-size:.95rem;
}

.answer-list{display:flex;flex-direction:column;gap:8px;margin-top:12px;}
.answer-item{display:flex;align-items:center;gap:10px;}
.answer-text{flex:1;padding:10px 13px;background:var(--surface-alt);border:1px solid var(--border);border-radius:9px;font-size:.95rem;}

.form-actions{display:flex;align-items:center;gap:14px;margin-top:24px;flex-wrap:wrap;}

/* empty state */
.empty-state{background:var(--surface);border:1px dashed var(--border);border-radius:16px;padding:40px 24px;text-align:center;color:var(--ink-muted);}
.empty-state h3{color:var(--ink);margin-bottom:8px;}

/* setup */
.setup-section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:18px;}
.heading-setup-item{border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:12px;}
.heading-setup-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.heading-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap;}
.heading-row input{flex:2;min-width:180px;}
.heading-row input.date-input{flex:1;min-width:150px;font-variant-numeric:tabular-nums;}
.all-toggle{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--ink-muted);font-weight:500;cursor:pointer;}
.all-toggle input{width:auto;}
.add-heading-btn{
  width:100%;padding:12px;border-radius:10px;border:1px dashed var(--border);background:transparent;
  color:var(--ink-muted);font-family:inherit;font-weight:600;cursor:pointer;margin-top:4px;
}
.add-heading-btn:hover{border-color:var(--accent);color:var(--accent);}

/* toast */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:var(--bg);padding:10px 20px;border-radius:999px;font-size:.88rem;
  box-shadow:var(--shadow);z-index:20;
}