/* فونت وزیر */
@font-face {
  font-family: "Vazir";
  src: url("Vazir-Regular.ttf");
}
* {
  margin: 0; padding: 0; box-sizing: border-box;
  font-family: "Vazir";
  -webkit-tap-highlight-color: transparent;
}
body {
  font-family: "Vazir";
  background: #f9f9f9;
  color: #333;
  display: flex; flex-direction: column;
  min-height: 100vh;
}

/*-overlay و modal برای نام کاربر*/
.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: none; align-items: center; justify-content: center;
  z-index: 1000;
}
.overlay.visible { display: flex; }
.modal {
  background: #fff;
  padding: 2rem;
  border-radius: 0.8rem;
  text-align: center;
  width: 90%; max-width: 360px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}
.modal-logo {
  width: 80px; margin-bottom: 1rem;
}
.modal h2 {
  font-size: 1.4rem; margin-bottom: 1rem;
}
.modal input {
  width: 100%; padding: 0.8rem; font-size: 1rem;
  border: 1px solid #ccc; border-radius: 0.4rem;
}
.modal button {
  margin-top: 1rem;
  padding: 0.8rem; width: 100%;
  background: #e60023; color: #fff; border: none;
  border-radius: 0.4rem; font-size: 1rem; cursor: pointer;
}
.modal button:hover { background: #cc001f; }

/* هدر */
.topbar {
  display: flex; align-items: center;
  justify-content: space-between;
  background: #e60023; color: #fff;
  padding: 1rem;
}
.logo-area {
  display: flex; align-items: center; gap: 0.6rem;
}
.logo-area .logo {
  width: 36px; height: 36px;
}
.site-title {
  font-size: 1.2rem; font-weight: bold;
}
.tabs { display: flex; gap: 0.5rem; }
.tab-btn {
  background: transparent; border: none;
  color: #fff; padding: 0.5rem 1rem;
  border-radius: 0.6rem; cursor: pointer;
  font-size: 1rem; transition: background 0.2s;
}
.tab-btn:hover, .tab-btn.active {
  background: rgba(255,255,255,0.2);
}
.user-credit {
  font-size: 1rem;
}

/* نمایها */
.view {
  flex: 1; padding: 1rem; overflow: auto;
}
.hidden { display: none; }

/* چت */
.chat-header {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.5rem; margin-bottom: 1rem;
}
.chat-header label {
  display: flex; align-items: center; gap: 0.4rem;
  background: #fff; padding: 0.4rem;
  border: 1px solid #e60023; border-radius: 0.4rem;
}
.chat-header select { border: none; font-size: 0.95rem; }
.chat-header button {
  background: #fff; color: #e60023; border: 1px solid #e60023;
  padding: 0.4rem 0.8rem; border-radius: 0.4rem; cursor: pointer;
  font-family: "Vazir";
}
.chat-header button:hover {
  background: #e60023; color: #fff;
}

.chat-box {
  background: #fff; border: 1px solid #ddd;
  border-radius: 0.8rem; padding: 1rem;
  height: 50vh; overflow-y: auto; margin-bottom: 1rem;
  scroll-behavior: smooth;
}
.msg {
  max-width: 80%; margin-bottom: 0.6rem;
  padding: 0.6rem 1rem; border-radius: 1rem;
  word-wrap: break-word; line-height: 1.4;
}
.msg.user {
  background: #ffd1dc; color: #e60023; margin-left: auto;
}
.msg.assistant {
  background: #f0f0f0; color: #333;
}
.msg.error {
  background: #ffe6e6; color: #c00;
  border: 1px solid #c00; font-weight: bold;
}

/* ورودی و دکمه ارسال */
.input-row {
  display: flex; gap: 0.5rem;
  font-family: "Vazir";
}
.input-row textarea {
  flex: 1; resize: none; padding: 0.8rem;
  font-family: inherit; font-size: 1rem;
  border: 1px solid #ccc; border-radius: 0.6rem;
  height: 4rem;
  font-family: "Vazir";
}
.input-row button {
  width: 3.5rem; background: #e60023; border:none;
  border-radius: 0.6rem; color: #fff;
  font-size: 1.2rem; cursor: pointer;
  font-family: "Vazir";
}
.input-row button:hover { background: #cc001f; }

/* لیست گفتگوها */
.session-row {
  display: flex; justify-content: space-between;
  background: #fff; border: 1px solid #ddd;
  border-radius: 0.6rem; padding: 0.8rem; margin-bottom: 0.5rem;
}
.btn.small {
  background: #e60023; color: #fff; border: none;
  padding: 0.3rem 0.6rem; border-radius: 0.4rem;
  cursor: pointer; font-size: 0.85rem;
  font-family: "Vazir";
}
.btn.small:hover { background: #cc001f; }

/* تنظیمات */
#settings h3 { margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.4rem; }
.form-group input {
  width: 100%; padding: 0.6rem; font-size: 1rem;
  border: 1px solid #ccc; border-radius: 0.4rem;

}
.form-group button {
  margin-top: 0.4rem; padding: 0.5rem 1rem;
  background: #e60023; color: #fff; border: none;
  border-radius: 0.4rem; cursor: pointer;
  font-family: "Vazir";
}
.form-group button:hover { background: #cc001f; }
.danger {
  background: #c00; color: #fff; border: none;
  padding: 0.6rem 1.2rem; border-radius: 0.4rem;
  font-family: "Vazir";
  cursor: pointer; font-size: 1rem;
}
.danger:hover { background: #a00; }

/* فوتر */
.footer {
  text-align: center; padding: 0.8rem;
  background: #f0f0f0; font-size: 0.9rem;
  font-family: "Vazir";
}

/* واکنش‌گرایی */
@media (max-width: 768px) {
  .chat-box { height: 45vh; }
  .input-row textarea { height: 3.5rem; }
}
@media (max-width: 480px) {
  .topbar { flex-direction: column; gap: 0.6rem; }
  .logo-area, .user-credit { text-align: center; }
  .chat-header { flex-direction: column; }
}

.selectai {
  background-color: white;
}

/* استایل برای بلوک‌های کد داخل پیام‌های هوش‌مصنوعی */
.msg.assistant pre {
  background-color: #1e1e1e;    /* زمینهٔ تیره */
  color: #f8f8f2;               /* متن روشن */
  padding: 12px;                /* فاصله داخل */
  margin-top: 8px;              /* فاصله از متن بالایی */
  border-radius: 4px;           /* گوشه‌های کمی منحنی */
  overflow-x: auto;             /* اسکرول افقی در صورت طولانی بودن */
  font-family: "Source Code Pro", monospace;
  line-height: 1.5;
}

/* اگر از <code> درون پاراگراف هم استفاده می‌کنی */
.msg.assistant code {
  background-color: #333;
  color: #f8f8f2;
  padding: 2px 4px;
  border-radius: 3px;
}