:root {
  --primary: #0D7F81;
  --primary-deep: #0A5F61;
  --primary-ink: #0B7476;
  --gold: #B8860B;
  --gold-soft: #E8C468;
  --ayet-bg: #EDFAF9;
  --hadis-bg: #FFFDF5;

  --bg: #FBFAF6;
  --surface: #FFFFFF;
  --surface-2: #F4F2EC;
  --border: #E4E0D6;
  --text: #1F2421;
  --muted: #6B706B;
  --user-bg: #E5F4F3;

  --side-bg: #0A4A4C;
  --side-text: #E6F3F2;
  --side-muted: #93BDBC;
  --side-hover: rgba(255,255,255,.07);
  --side-active: rgba(232,196,104,.16);

  --ok: #2E7D32;
  --warn: #9A6A00;
  --warn-bg: #FFF6DD;

  --radius: 14px;
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-read: "Source Serif 4", "Times New Roman", Georgia, serif;
  --font-ar: "Amiri", "Traditional Arabic", "Times New Roman", serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary-ink: #6FD3CF;
    --gold: #D9AE47;
    --ayet-bg: #102828;
    --hadis-bg: #29230F;
    --bg: #101414;
    --surface: #171C1C;
    --surface-2: #1E2424;
    --border: #2B3333;
    --text: #E6EAE6;
    --muted: #9BA39D;
    --user-bg: #192C2C;
    --side-bg: #081F20;
    --ok: #7CC888;
    --warn: #E3B341;
    --warn-bg: #2A2310;
  }
}
:root[data-theme="dark"] {
  --primary-ink: #6FD3CF; --gold: #D9AE47; --ayet-bg: #102828; --hadis-bg: #29230F;
  --bg: #101414; --surface: #171C1C; --surface-2: #1E2424; --border: #2B3333;
  --text: #E6EAE6; --muted: #9BA39D; --user-bg: #192C2C; --side-bg: #081F20;
  --ok: #7CC888; --warn: #E3B341; --warn-bg: #2A2310;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--font-ui); font-size: 15px; -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; cursor: pointer; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.app { display: flex; height: 100dvh; overflow: hidden; }

/* ── Kenar çubuğu ───────────────────────────── */
.sidebar { width: 272px; flex-shrink: 0; background: var(--side-bg); color: var(--side-text); display: flex; flex-direction: column; padding: 14px 10px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 16px; font-weight: 600; font-size: 14.5px; letter-spacing: .1px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text #brandName { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.brand-text small { font-size: 11.5px; font-weight: 500; color: var(--gold-soft); letter-spacing: .4px; }
.brand-mark { width: 36px; height: 36px; border-radius: 9px; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(232,196,104,.45); }
.new-chat { display: flex; align-items: center; gap: 8px; border: 1px solid rgba(232,196,104,.45); background: transparent; color: var(--gold-soft); border-radius: 10px; padding: 10px 12px; font-weight: 500; }
.new-chat:hover { background: var(--side-active); }
.new-chat svg { width: 18px; height: 18px; }
.history { flex: 1; overflow-y: auto; margin-top: 14px; padding-right: 2px; }
.history h3 { font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .6px; color: var(--side-muted); margin: 14px 10px 6px; }
.h-item { position: relative; display: flex; align-items: center; border-radius: 8px; }
.h-item a { flex: 1; min-width: 0; display: block; padding: 8px 10px; color: var(--side-text); text-decoration: none; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.h-item:hover { background: var(--side-hover); }
.h-item.active { background: var(--side-active); }
.h-actions { display: none; gap: 2px; padding-right: 4px; }
.h-item:hover .h-actions, .h-item.active .h-actions { display: flex; }
.h-actions button { background: none; border: 0; color: var(--side-muted); padding: 4px; border-radius: 6px; display: grid; place-items: center; }
.h-actions button:hover { color: var(--side-text); background: var(--side-hover); }
.h-actions svg { width: 15px; height: 15px; }
.h-empty { color: var(--side-muted); font-size: 13px; padding: 10px; }
.sidebar-foot { font-size: 11.5px; color: var(--side-muted); padding: 10px 8px 2px; border-top: 1px solid rgba(255,255,255,.08); }

/* ── Ana alan ───────────────────────────────── */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; min-height: 52px; border-bottom: 1px solid var(--border); background: var(--bg); }
.topbar-title { font-weight: 600; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.icon-btn { display: none; background: none; border: 0; padding: 6px; border-radius: 8px; }
.icon-btn:hover { background: var(--surface-2); }
.test-badge { font-size: 12px; font-weight: 600; color: var(--warn); background: var(--warn-bg); padding: 4px 10px; border-radius: 999px; }

.thread { flex: 1; overflow-y: auto; padding: 24px 16px 32px; scroll-behavior: smooth; }
.thread > * { max-width: 820px; margin-left: auto; margin-right: auto; }

/* Karşılama */
.welcome { text-align: center; padding: 7vh 0 20px; }
.welcome-logo { display: block; width: 220px; height: 220px; margin: 0 auto 18px; border-radius: 22px; box-shadow: 0 2px 14px rgba(0,0,0,.06); }
.welcome h1 { font-family: var(--font-read); font-weight: 600; font-size: 30px; margin: 0 0 10px; color: var(--primary-ink); }
.welcome p { color: var(--muted); max-width: 560px; margin: 0 auto 28px; line-height: 1.6; }
.suggestions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 600px; margin: 0 auto; }
.suggestions button { text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 13px 15px; font-weight: 500; transition: border-color .15s, transform .15s; }
.suggestions button:hover { border-color: var(--gold); transform: translateY(-1px); }
.suggestions small { display: block; color: var(--muted); font-weight: 400; font-size: 12.5px; margin-top: 3px; }

/* Mesajlar */
.msg { margin-bottom: 22px; display: flex; flex-direction: column; }
.msg.user { align-items: flex-end; }
.msg.user .bubble { background: var(--user-bg); border-radius: 16px 16px 4px 16px; padding: 11px 15px; max-width: 85%; white-space: pre-wrap; line-height: 1.55; }
.msg.assistant .bubble { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 28px; width: 100%; }

.status { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; padding: 4px 0; }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); animation: blink 1.2s infinite both; }
.dots i:nth-child(2) { animation-delay: .2s; } .dots i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* Okuma metni (vaaz) */
.md { font-family: var(--font-read); font-size: 17px; line-height: 1.7; overflow-wrap: anywhere; }
.md > :first-child { margin-top: 0; }
.md h1 { font-size: 26px; text-align: center; color: var(--primary-ink); margin: 4px 0 20px; line-height: 1.3; }
.md h2 { font-size: 21px; color: var(--primary-ink); margin: 30px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.md h3 { font-size: 18px; color: var(--gold); margin: 22px 0 8px; }
.md p { margin: 0 0 14px; }
.md strong { font-weight: 700; }
.md ul, .md ol { padding-left: 26px; margin: 0 0 14px; }
.md li { margin-bottom: 6px; }
.md li::marker { color: var(--primary-ink); font-weight: 600; }
.md blockquote { margin: 16px 0; padding: 14px 18px; border-radius: 10px; background: var(--hadis-bg); border: 1px solid color-mix(in srgb, var(--gold) 35%, transparent); border-left: 4px solid var(--gold); }
.md blockquote.ayet { background: var(--ayet-bg); border-color: color-mix(in srgb, var(--primary-ink) 30%, transparent); border-left-color: var(--primary-ink); }
.md blockquote p { margin: 0 0 6px; }
.md blockquote p:last-child { margin-bottom: 0; }
.md .ar { font-family: var(--font-ar); direction: rtl; text-align: center; font-size: 26px; line-height: 2.1; color: var(--primary-ink); display: block; }
.md .ref { display: block; text-align: right; font-style: italic; color: var(--muted); font-size: 15px; }
.md .table-wrap { overflow-x: auto; margin: 14px 0 18px; border: 1px solid var(--border); border-radius: 10px; }
.md table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.5; }
.md th { background: var(--primary); color: #fff; text-align: left; padding: 9px 12px; font-weight: 600; }
.md td { padding: 8px 12px; border-top: 1px solid var(--border); vertical-align: top; }
.md tr:nth-child(even) td { background: var(--surface-2); }
.md hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
.md code { font-family: inherit; }

.cursor::after { content: ""; display: inline-block; width: 8px; height: 1.1em; background: var(--gold); vertical-align: text-bottom; margin-left: 2px; animation: blink 1s infinite; }

/* Alt araç çubuğu */
.tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.tool { display: inline-flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 7px 12px; font-size: 13.5px; font-weight: 500; text-decoration: none; color: var(--text); }
.tool:hover { border-color: var(--primary-ink); color: var(--primary-ink); }
.tool svg { width: 16px; height: 16px; }
.tool.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.tool.primary:hover { background: var(--primary-deep); color: #fff; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 6px 11px; border-radius: 999px; border: 0; }
.check.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.check.warn { color: var(--warn); background: var(--warn-bg); }
.check svg { width: 15px; height: 15px; }

details.panel { margin-top: 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); font-size: 13.5px; }
details.panel summary { cursor: pointer; padding: 9px 13px; color: var(--muted); font-weight: 500; list-style: none; display: flex; align-items: center; gap: 6px; }
details.panel summary::-webkit-details-marker { display: none; }
details.panel summary::before { content: "▸"; transition: transform .15s; }
details.panel[open] summary::before { transform: rotate(90deg); }
.panel-body { padding: 2px 13px 12px; display: grid; gap: 8px; }
.src { border-left: 3px solid var(--border); padding: 2px 10px; }
.src b { font-weight: 600; }
.src .tag { font-size: 11px; color: var(--primary-ink); border: 1px solid currentColor; border-radius: 999px; padding: 0 6px; margin-left: 6px; }
.src p { margin: 3px 0 0; color: var(--muted); line-height: 1.45; }
.vrow { display: flex; gap: 8px; align-items: baseline; }
.vrow .st { font-weight: 700; width: 16px; flex-shrink: 0; }
.vrow .st.ok { color: var(--ok); } .vrow .st.bad { color: var(--warn); }
.vrow .ar-s { font-family: var(--font-ar); direction: rtl; }

.error { color: #B3261E; background: color-mix(in srgb, #B3261E 10%, transparent); border-radius: 10px; padding: 10px 14px; font-size: 14px; }

/* Yazma alanı */
.composer-wrap { padding: 10px 16px 14px; background: linear-gradient(to top, var(--bg) 70%, transparent); }
.composer { max-width: 820px; margin: 0 auto; display: flex; align-items: flex-end; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 8px 8px 8px 16px; box-shadow: 0 2px 14px rgba(0,0,0,.05); }
.composer:focus-within { border-color: var(--primary-ink); }
.composer textarea { flex: 1; border: 0; outline: 0; resize: none; background: transparent; color: var(--text); font: inherit; font-size: 15.5px; line-height: 1.5; padding: 7px 0; max-height: 220px; }
.send { width: 40px; height: 40px; border-radius: 11px; border: 0; background: var(--primary); color: #fff; display: grid; place-items: center; flex-shrink: 0; }
.send:disabled { opacity: .4; cursor: default; }
.send.stop { background: var(--text); color: var(--bg); }
.send.stop svg { fill: currentColor; stroke: none; }
.disclaimer { text-align: center; color: var(--muted); font-size: 12px; margin: 8px auto 0; max-width: 820px; }

/* Mobil */
.scrim { display: none; }
@media (max-width: 860px) {
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 30; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 4px 0 24px rgba(0,0,0,.25); }
  .app.menu-open .sidebar { transform: none; }
  .app.menu-open .scrim { display: block; position: fixed; inset: 0; z-index: 20; background: rgba(0,0,0,.35); }
  .icon-btn { display: grid; place-items: center; }
  .msg.assistant .bubble { padding: 18px 16px; }
  .md { font-size: 16px; }
  .md .ar { font-size: 23px; }
  .welcome h1 { font-size: 24px; }
  .welcome-logo { width: 168px; height: 168px; border-radius: 18px; }
  .suggestions { grid-template-columns: 1fr; }
  .h-actions { display: flex; }
}