/* سیستم طراحی مشترک — تاریخ‌نگاری علوی
   پالت: کاغذی/سپیا/تیل — الهام از آرشیو اسناد تاریخی */

@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
}
@font-face {
  font-family: 'Vazirmatn';
  src: url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/fonts/webfonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
}

:root {
  --ink: #1C1A17;
  --ink-soft: #5C564C;
  --ink-faint: #A8A096;
  --paper: #FAF7F0;
  --paper-raised: #F3EEE3;
  --sepia: #8B6F47;
  --sepia-deep: #6B5537;
  --teal: #2C4A45;
  --line: #D8CFC0;
  --line-soft: #E8E2D5;
  --danger: #A8432E;
  --success: #3D6B4F;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- نوار بالای صفحه (در صفحات پس از ورود) ---------- */
.topbar {
  max-width: 440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0 2px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.topbar .welcome { font-weight: 500; }
.topbar .links { display: flex; gap: 16px; }
.topbar a {
  color: var(--sepia-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.topbar a:hover { border-color: var(--sepia-deep); }
.topbar a.logout { color: var(--ink-soft); }

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px;
}

/* ---------- کارت‌های اصلی (لاگین/ثبت‌نام) ---------- */
.auth-card {
  width: 360px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px 28px;
}
.auth-card h2 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
}
.auth-card .subtitle {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 0 0 24px;
}
.field-label {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 5px;
  display: block;
}
.auth-card input[type="text"],
.auth-card input[type="password"],
.auth-card select {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  background: #fff;
  color: var(--ink);
}
.auth-card input:focus,
.auth-card select:focus { border-color: var(--sepia); }
.btn-primary {
  width: 100%;
  padding: 11px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--sepia-deep); }
.auth-card .switch-link {
  display: block;
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
  color: var(--sepia-deep);
  text-decoration: none;
}
.auth-card .switch-link:hover { text-decoration: underline; }

.msg-box {
  padding: 10px 14px;
  border-radius: 3px;
  font-size: 13px;
  margin-bottom: 18px;
  line-height: 1.6;
}
.msg-box.error { background: #FBEEEA; color: var(--danger); border-right: 3px solid var(--danger); }
.msg-box.success { background: #EBF3EE; color: var(--success); border-right: 3px solid var(--success); }

/* ---------- چت ---------- */
.chat-box {
  width: 440px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.chat-header { padding: 22px 24px 16px; border-bottom: 1px solid var(--line); }
.chat-header .title { font-size: 19px; font-weight: 700; margin: 0 0 3px; letter-spacing: -0.01em; }
.chat-header .subtitle { font-size: 12.5px; color: var(--ink-soft); margin: 0; }

.filters { padding: 14px 24px; background: var(--paper-raised); border-bottom: 1px solid var(--line); }
.filters-label { font-size: 11.5px; color: var(--ink-soft); margin-bottom: 8px; }
.filters-row { display: flex; gap: 8px; }
.filters-row input {
  flex: 1; min-width: 0; padding: 7px 10px;
  border: 1px solid var(--line); border-radius: 3px;
  font-family: inherit; font-size: 12.5px; background: #fff; outline: none; color: var(--ink);
}
.filters-row input:focus { border-color: var(--sepia); }
.filters-row input::placeholder { color: var(--ink-faint); }

.chat-messages {
  padding: 20px 24px;
  min-height: 340px;
  max-height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.msg { max-width: 88%; line-height: 1.75; font-size: 14px; }
.msg.user {
  align-self: flex-end;
  background: var(--teal);
  color: #F5F2EA;
  padding: 10px 14px;
  border-radius: 4px 4px 2px 4px;
}
.msg.bot { align-self: flex-start; color: var(--ink); padding: 2px 0; }
.sources {
  align-self: flex-start;
  font-size: 11.5px;
  color: var(--sepia-deep);
  border-right: 2px solid var(--sepia);
  padding: 3px 10px;
  margin-top: 2px;
  line-height: 1.6;
}

.chat-input { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--line); }
.chat-input input {
  flex: 1; padding: 11px 14px; border: 1px solid var(--line); border-radius: 3px;
  font-family: inherit; font-size: 14px; outline: none;
}
.chat-input input:focus { border-color: var(--sepia); }
.chat-input button {
  background: var(--ink); color: var(--paper); border: none; padding: 0 22px;
  border-radius: 3px; font-family: inherit; font-size: 14px; cursor: pointer; transition: background .15s;
}
.chat-input button:hover { background: var(--sepia-deep); }

/* ---------- پنل مدیریت ---------- */
.admin-container {
  width: 720px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px 32px;
}
.admin-container h2 { margin: 0 0 4px; font-size: 20px; font-weight: 700; }
.admin-container .subtitle { font-size: 13px; color: var(--ink-soft); margin: 0 0 24px; }

table.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.admin-table th {
  text-align: right; padding: 10px 8px; font-weight: 600;
  color: var(--ink-soft); font-size: 12px;
  border-bottom: 1px solid var(--line);
}
table.admin-table td { text-align: right; padding: 12px 8px; border-bottom: 1px solid var(--line-soft); }
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 3px;
  font-size: 11.5px; background: var(--paper-raised); color: var(--ink-soft);
}
.actions-cell { display: flex; gap: 6px; }
.btn-approve, .btn-reject {
  padding: 6px 14px; border: none; border-radius: 3px; font-size: 12.5px;
  font-family: inherit; cursor: pointer; transition: opacity .15s;
}
.btn-approve { background: var(--success); color: #fff; }
.btn-reject { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-approve:hover, .btn-reject:hover { opacity: 0.85; }

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  font-size: 13.5px;
  padding: 48px 20px;
  line-height: 1.9;
}

/* ---------- آپلود ---------- */
.upload-card {
  width: 560px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px 32px;
}
.upload-card h2 { margin: 0 0 4px; font-size: 19px; font-weight: 700; }
.upload-card .instructions {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
  margin: 0 0 20px;
  padding: 12px 16px;
  background: var(--paper-raised);
  border-radius: 3px;
}
.upload-card .instructions code {
  background: #fff;
  padding: 1px 6px;
  border-radius: 2px;
  border: 1px solid var(--line);
  font-size: 12px;
}
.upload-card textarea {
  width: 100%;
  min-height: 280px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: 'Vazirmatn', monospace;
  font-size: 13px;
  line-height: 1.7;
  outline: none;
  resize: vertical;
  margin-bottom: 16px;
}
.upload-card textarea:focus { border-color: var(--sepia); }
.upload-result {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.8;
  white-space: pre-wrap;
}

/* ---------- هدر با دکمه دراپ‌داون (سمت راست، RTL) ---------- */
.app-header {
  width: 100%;
  max-width: 920px;
  margin: 0 auto 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}
.app-header .brand { font-size: 15px; font-weight: 700; color: var(--ink); }
.user-menu { position: relative; }
.user-menu-btn {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 4px;
  padding: 7px 12px; font-family: inherit; font-size: 13.5px; color: var(--ink);
  cursor: pointer; transition: border-color .15s;
}
.user-menu-btn:hover { border-color: var(--sepia); }
.user-menu-btn .chevron { font-size: 10px; color: var(--ink-soft); }
.user-menu-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 190px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(28,26,23,0.08);
  z-index: 20;
  overflow: hidden;
}
.user-menu-dropdown.open { display: block; }
.user-menu-dropdown a {
  display: block; padding: 10px 14px; font-size: 13.5px; color: var(--ink);
  text-decoration: none; border-bottom: 1px solid var(--line-soft);
}
.user-menu-dropdown a:last-child { border-bottom: none; }
.user-menu-dropdown a:hover { background: var(--paper-raised); }
.user-menu-dropdown a.logout-item { color: var(--danger); }

/* ---------- چیدمان چت با سایدبار ---------- */
.chat-layout {
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 920px;
  align-items: flex-start;
}
.chat-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.sidebar-new-btn {
  display: block;
  width: 100%;
  padding: 11px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  text-align: center;
}
.sidebar-new-btn:hover { background: var(--sepia-deep); }
.sidebar-list {
  max-height: 480px;
  overflow-y: auto;
}
.sidebar-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  font-size: 12.5px;
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  color: var(--ink-soft);
  transition: background .1s;
}
.sidebar-item:hover { background: var(--paper-raised); }
.sidebar-item.active { background: var(--paper-raised); color: var(--ink); font-weight: 600; }
.sidebar-item .s-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.sidebar-item .s-delete {
  color: var(--ink-faint); font-size: 14px; padding: 0 0 0 6px; flex-shrink: 0;
}
.sidebar-item .s-delete:hover { color: var(--danger); }
.sidebar-empty { padding: 20px 14px; font-size: 12px; color: var(--ink-faint); text-align: center; }

.chat-box { flex: 1; min-width: 0; }