/* ─── هرمس · sajad.ai — چت فارسی RTL ─── */
:root {
  --bg: #0d1117;
  --bg-soft: #12181f;
  --panel: #161d26;
  --panel-2: #1b232e;
  --stroke: #263140;
  --txt: #e9eef4;
  --dim: #8b99a8;
  --accent: #6d7cff;
  --accent-2: #4f5ee8;
  --gold: #f2bd5d;
  --user-bubble: #23304a;
  --danger: #e5604f;
  --ok: #2fbf8f;
  --radius: 14px;
  --sb-w: 272px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: Vazirmatn, "Segoe UI", Tahoma, sans-serif;
  font-size: 15px;
  overflow: hidden;
}
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

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

/* ── سایدبار ── */
.sidebar {
  width: var(--sb-w);
  flex-shrink: 0;
  background: var(--bg-soft);
  border-inline-start: none;
  border-inline-end: 1px solid var(--stroke);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease;
}
.sidebar-head { display: flex; gap: 8px; padding: 14px 12px; }
.btn-new {
  flex: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 12px;
}
.btn-new:hover { filter: brightness(1.1); }
.btn-close-sb { display: none; }
.convo-list { flex: 1; overflow-y: auto; padding: 4px 8px; display: flex; flex-direction: column; gap: 2px; }
.convo-item {
  display: flex; align-items: center; gap: 6px;
  border-radius: 9px; padding: 9px 10px;
  color: var(--dim); font-size: 13.5px;
  cursor: pointer; user-select: none;
}
.convo-item:hover { background: var(--panel); color: var(--txt); }
.convo-item.active { background: var(--panel-2); color: var(--txt); }
.convo-item .title { flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.convo-item .del { opacity: 0; font-size: 12px; padding: 2px 5px; border-radius: 6px; color: var(--dim); }
.convo-item:hover .del { opacity: 1; }
.convo-item .del:hover { color: var(--danger); background: rgba(229,96,79,.12); }
.sidebar-foot { padding: 12px 14px; border-top: 1px solid var(--stroke); display: flex; flex-direction: column; gap: 10px; }
.quota { font-size: 11.5px; color: var(--dim); display: flex; flex-direction: column; gap: 5px; }
.quota-bar { height: 4px; border-radius: 99px; background: var(--panel-2); overflow: hidden; }
.quota-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--gold)); border-radius: 99px; transition: width .4s; }
.brand-link { color: var(--dim); text-decoration: none; font-weight: 700; font-size: 13px; letter-spacing: .3px; }
.brand-link i { color: var(--accent); font-style: normal; }
.brand-link:hover { color: var(--txt); }
.backdrop { display: none; }

/* ── بخش اصلی ── */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--stroke);
  background: rgba(13,17,23,.85);
  backdrop-filter: blur(8px);
}
.btn-icon { font-size: 17px; color: var(--dim); padding: 6px 9px; border-radius: 8px; }
.btn-icon:hover { background: var(--panel); color: var(--txt); }
#btnMenu { display: none; }
.brand { display: flex; align-items: center; gap: 10px; flex: 1; }
.brand-logo { font-size: 24px; filter: drop-shadow(0 0 10px rgba(242,189,93,.35)); }
.brand-text b { font-size: 16px; display: block; line-height: 1.3; }
.brand-text small { color: var(--dim); font-size: 11.5px; }
.status { width: 9px; height: 9px; border-radius: 50%; background: var(--dim); }
.status.on { background: var(--ok); box-shadow: 0 0 8px rgba(47,191,143,.6); }
.status.off { background: var(--danger); }

/* ── ناحیهٔ چت ── */
.chat { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.messages, .welcome { max-width: 780px; margin: 0 auto; padding: 20px 16px 8px; }
.welcome { text-align: center; padding-top: 9vh; }
.welcome-logo { font-size: 52px; margin-bottom: 14px; filter: drop-shadow(0 0 22px rgba(242,189,93,.4)); }
.welcome h1 { font-size: 24px; margin-bottom: 8px; }
.welcome p { color: var(--dim); font-size: 14px; margin-bottom: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
.chip {
  border: 1px solid var(--stroke); background: var(--panel);
  color: var(--dim); border-radius: 999px; padding: 9px 15px; font-size: 13px;
  transition: all .15s;
}
.chip:hover { color: var(--txt); border-color: var(--accent); background: var(--panel-2); }

.msg { display: flex; gap: 10px; margin-bottom: 18px; animation: rise .25s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.msg.user { flex-direction: row-reverse; }
.avatar {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 10px; display: grid; place-items: center; font-size: 17px;
  background: var(--panel-2); border: 1px solid var(--stroke);
}
.msg.user .avatar { background: var(--user-bubble); }
.bubble {
  max-width: 84%;
  border-radius: var(--radius);
  padding: 11px 15px;
  line-height: 2;
  font-size: 14.5px;
  overflow-wrap: break-word;
}
.msg.user .bubble { background: var(--user-bubble); border-start-start-radius: 4px; }
.msg.bot .bubble { background: var(--panel); border: 1px solid var(--stroke); border-start-end-radius: 4px; }
.msg.bot .bubble.error { border-color: rgba(229,96,79,.5); color: #f0b3aa; }

/* markdown-lite */
.bubble p { margin: 0 0 6px; } .bubble p:last-child { margin: 0; }
.bubble strong { color: var(--gold); }
.bubble h4 { font-size: 14.5px; color: var(--accent); margin: 10px 0 4px; }
.bubble ul, .bubble ol { margin: 4px 18px 8px 0; }
.bubble li { margin-bottom: 3px; }
.bubble code {
  font-family: "SFMono-Regular", Consolas, monospace;
  background: var(--bg); border: 1px solid var(--stroke);
  border-radius: 6px; padding: 1px 6px; font-size: 12.5px; direction: ltr; display: inline-block;
}
.bubble pre { background: var(--bg); border: 1px solid var(--stroke); border-radius: 10px; padding: 10px 12px; overflow-x: auto; direction: ltr; text-align: left; margin: 6px 0; }
.bubble pre code { border: none; background: none; padding: 0; }

/* تایپینگ */
.typing { display: inline-flex; gap: 5px; padding: 4px 2px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--dim); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; }
.typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 70%, 100% { opacity: .25; } 35% { opacity: 1; } }

/* وضعیت اجرای ابزار (تحلیل زنده) */
.tool-status { color: var(--dim); font-size: 12.5px; margin-bottom: 4px; animation: blink 1.6s infinite; }

/* کرسر استریم */
.bubble.streaming .msg-text::after { content: "▍"; color: var(--accent); animation: blink 1s infinite; }

/* ── چارت تحلیل داخل پیام ── */
.msg.bot .bubble.has-chart { width: 100%; max-width: 100%; }
.chart-wrap { margin-bottom: 10px; }
.chart-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 7px; font-size: 11px; }
.chart-meta .pill { border: 1px solid var(--stroke); border-radius: 999px; padding: 2px 9px; color: var(--dim); }
.chart-meta .pill.strong { color: var(--gold); border-color: rgba(242,189,93,.4); font-weight: 700; letter-spacing: .4px; }
.chart-meta .pill.bias.up { color: var(--ok); border-color: rgba(47,191,143,.4); }
.chart-meta .pill.bias.down { color: var(--danger); border-color: rgba(229,96,79,.4); }
.chart-canvas { display: block; width: 100%; height: 250px; background: var(--bg); border: 1px solid var(--stroke); border-radius: 10px; }
@media (max-width: 860px) { .chart-canvas { height: 200px; } }

/* ── کامپوزر ── */
.composer { padding: 10px 16px calc(14px + env(safe-area-inset-bottom)); }
.composer-box {
  max-width: 780px; margin: 0 auto;
  display: flex; align-items: flex-end; gap: 8px;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 9px 10px 9px 9px;
  transition: border-color .15s;
}
.composer-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(109,124,255,.12); }
#input {
  flex: 1; resize: none; border: none; outline: none; background: none;
  color: var(--txt); font: inherit; line-height: 1.9; max-height: 160px;
}
#input::placeholder { color: var(--dim); }
.btn-send {
  width: 38px; height: 38px; flex-shrink: 0;
  border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  transform: scaleX(-1);
}
.btn-send:disabled { opacity: .4; cursor: default; }
.disclaimer { text-align: center; color: var(--dim); font-size: 11px; margin-top: 8px; opacity: .8; }

/* ── اسکرول‌بار ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: var(--stroke); border-radius: 99px; }
::-webkit-scrollbar-track { background: transparent; }

/* ── موبایل ── */
@media (max-width: 860px) {
  .sidebar {
    position: fixed; inset-inline-start: 0; top: 0; bottom: 0; z-index: 40;
    transform: translateX(100%); /* RTL: خارج از قاب سمت راست */
    box-shadow: none;
  }
  .sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.5); }
  .btn-close-sb { display: block; }
  #btnMenu { display: block; }
  .backdrop { display: block; position: fixed; inset: 0; z-index: 30; background: rgba(0,0,0,.5); opacity: 0; pointer-events: none; transition: opacity .25s; }
  .backdrop.show { opacity: 1; pointer-events: auto; }
  .bubble { max-width: 88%; }
  .welcome { padding-top: 6vh; }
}