/* ====== Telegram-like Chat (Dark + Green Theme) — Scoped ====== */

/* متغیرهای تم (Fallbacks) */
.support-page-body{
  --bg-color:#0f1214;
  --surface-color:#12171b;
  --border-color:#1b2228;
  --text-color:#e5ecf2;
  --text-light:#e5ecf2;
  --text-muted:#9babbb;
  --primary-color:#5bb98c;
  --dark-green:#0a7f4b;
  --shadow:0 14px 34px rgba(0,0,0,.45);
}

.support-page-body { background-color: var(--bg-color); }

/* رنگ‌های حباب */
.support-page-body {
  --bubble-in: #202020;   /* دریافتی */
  --bubble-out: #1f3325;  /* ارسالی با ته‌مایه سبز */
  --sep-bg: #181818;
  --sep-border: var(--border-color);
}

.support-page-body .support-main-content {
  display: flex; justify-content: center; align-items: center; padding: 4rem 1rem;
}

.support-page-body .chat-container {
  width: 100%; max-width: 820px;
  height: calc(100vh - 220px); min-height: 600px; max-height: 820px;
  background: var(--surface-color); border-radius: 18px; border: 1px solid var(--border-color);
  box-shadow: var(--shadow); display: flex; flex-direction: column; overflow: hidden; position: relative;
}

/* هدر */
.support-page-body .chat-header {
  background: linear-gradient(135deg, var(--dark-green), var(--primary-color));
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.support-page-body .support-avatar { width: 44px; height: 44px; border-radius: 50%; border: 2px solid rgba(255,255,255,.5); }
.support-page-body .header-info h3 { margin: 0; font-size: 1.2rem; color: #fff; }
.support-page-body .header-info .status-text { margin: 2px 0 0; font-size: .9rem; color: #e7ffcc; }

/* پیام‌ها */
.support-page-body .chat-messages {
  flex: 1; overflow-y: auto; padding: 16px 16px 8px; background: var(--bg-color);
  display: flex; flex-direction: column; gap: 10px;
}

/* جداکننده تاریخ */
.support-page-body .date-separator {
  align-self: center; background: var(--sep-bg); color: var(--text-muted);
  padding: 6px 12px; border-radius: 16px; font-size: .86rem; border: 1px solid var(--sep-border);
  opacity: 0; transform: translateY(8px); animation: fadeUp .3s ease forwards;
}

/* حباب‌ها */
.support-page-body .message {
  max-width: 78%; position: relative; border-radius: 16px;
  padding: 10px 12px; line-height: 1.9; color: var(--text-color);
  box-shadow: 0 1px 0 rgba(0,0,0,.25); opacity: 0; transform: translateY(8px) scale(.98);
  animation: msgPop .22s ease forwards; word-wrap: break-word;
}
.support-page-body .message p {
  margin: 0; white-space: pre-wrap; font-family: var(--font-primary, Vazirmatn, sans-serif); font-weight: 400; font-size: 1.02rem;
  letter-spacing: .1px; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;
}
.support-page-body .message--support { align-self: flex-start; background: var(--bubble-in);
  border-top-right-radius: 16px; border-bottom-right-radius: 4px; }
.support-page-body .message--user { align-self: flex-end; background: linear-gradient(180deg, var(--bubble-out), rgba(31,51,37,.96));
  border-top-left-radius: 16px; border-bottom-left-radius: 4px; }

/* دُم حباب‌ها */
.support-page-body .message--support::after,
.support-page-body .message--user::after {
  content: ""; position: absolute; bottom: 0; width: 12px; height: 12px; background: transparent;
}
.support-page-body .message--support::after { left: -6px; border-right: 8px solid var(--bubble-in); border-top: 8px solid transparent; border-bottom-left-radius: 2px; }
.support-page-body .message--user::after { right: -6px; border-left: 8px solid var(--bubble-out); border-top: 8px solid transparent; border-bottom-right-radius: 2px; }

/* ردیف متای پیام (زمان/تیک‌ها) */
.support-page-body .message .message-meta {
  display: flex; align-items: center; gap: 6px; margin-top: 6px; font-size: .75rem; color: var(--text-muted);
}
.support-page-body .message--user .message-meta { justify-content: flex-end; }
.support-page-body .message--support .message-meta { justify-content: flex-start; }
.support-page-body .message-time { font-size: .75rem; color: var(--text-muted); }
.support-page-body .ticks { font-size: .9rem; display: inline-flex; gap: 1px; align-items: center; color: #8a9aa5; margin-inline-start: 4px; }
.support-page-body .ticks.read { color: var(--primary-color); }

/* پیوست‌ها */
.support-page-body .message img.attached-image { max-width: 100%; border-radius: 12px; margin-top: 6px; display: block; }
.support-page-body .message .attached-file {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 12px; margin-top: 6px;
  background: rgba(255,255,255,0.04); color: var(--text-light);
}
.support-page-body .message .attached-file i { font-size: 1.4rem; color: var(--text-light); }

/* تایپینگ */
.support-page-body .typing-indicator { display: none; align-items: center; gap: 10px; color: var(--text-muted); padding: 4px 16px 8px; }
.support-page-body .dot { width: 6px; height: 6px; background: var(--text-muted); border-radius: 50%; animation: dotUp 1.2s infinite ease-in-out; }
.support-page-body .dot:nth-child(2){ animation-delay: .15s; } .support-page-body .dot:nth-child(3){ animation-delay: .3s; }

/* تایپینگ در هدر: افکت حلقه نور */
@keyframes pulseRing { 0%{box-shadow:0 0 0 0 rgba(76,175,80,.45)} 70%{box-shadow:0 0 0 10px rgba(76,175,80,0)} 100%{box-shadow:0 0 0 0 rgba(76,175,80,0)} }
.support-page-body .chat-header.is-typing .support-avatar { position: relative; animation: pulseRing 1.8s infinite; }
.support-page-body .chat-header.is-typing .status-text { color: #eaffd9; }

/* ورودی پایین */
.support-page-body .chat-input-area { padding: 10px; background: #141414; border-top: 1px solid var(--border-color); }
.support-page-body .chat-form { display: flex; align-items: center; gap: 8px; }
.support-page-body .chat-form input[type="text"] {
  flex: 1; border: 1px solid var(--border-color); background: var(--surface-color); border-radius: 22px;
  padding: 10px 14px; font-size: 1rem; color: var(--text-light); outline: none; transition: border .2s, box-shadow .2s;
}
.support-page-body .chat-form input[type="text"]:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(76,175,80,.18); }
.support-page-body .attach-btn, .support-page-body .send-btn {
  background: none; border: none; font-size: 1.6rem; color: #9aa7b6; cursor: pointer; padding: 6px; border-radius: 50%;
  transition: background .2s, color .2s, transform .08s;
}
.support-page-body .attach-btn:hover, .support-page-body .send-btn:hover { color: var(--primary-color); background: rgba(76,175,80,.12); }
.support-page-body .attach-btn:active, .support-page-body .send-btn:active { transform: scale(.96); }

/* دکمه اسکرول به پایین */
.support-page-body .scroll-bottom-btn {
  position: absolute; left: 16px; bottom: 76px; width: 38px; height: 38px;
  border: 1px solid var(--border-color); border-radius: 50%; background: var(--surface-color); color: var(--primary-color);
  box-shadow: var(--shadow); display: none; place-items: center; cursor: pointer; z-index: 5;
}
.support-page-body .scroll-bottom-btn.show { display: grid; animation: fadeUp .2s ease forwards; }

/* افکت پینگ روی دکمه وقتی پیام جدید اومده و پایین نیستیم */
@keyframes btnPing { 0%{box-shadow:0 0 0 0 rgba(76,175,80,.35)} 70%{box-shadow:0 0 0 10px rgba(76,175,80,0)} 100%{box-shadow:0 0 0 0 rgba(76,175,80,0)} }
.support-page-body .scroll-bottom-btn.attn { animation: btnPing 1.8s infinite; }

/* مودال پیش‌چت */
.support-page-body .prechat-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: none; place-items: center; z-index: 9999; backdrop-filter: blur(2px); }
.support-page-body .prechat-overlay.show { display: grid; animation: fadeIn .2s ease; }
.support-page-body .prechat-card {
  width: 94%; max-width: 520px; background: var(--surface-color); border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border-color); box-shadow: var(--shadow); transform: translateY(10px) scale(.98); animation: rise .28s ease forwards;
}
.support-page-body .prechat-card__header { padding: 20px 20px 16px; background: linear-gradient(135deg, var(--dark-green), var(--primary-color)); color: #fff; text-align: center; }
.support-page-body .prechat-card__header img { width: 56px; height: 56px; border-radius: 12px; border: 2px solid rgba(255,255,255,.6); }
.support-page-body .prechat-card__header h3 { margin: 10px 0 6px; } .support-page-body .prechat-card__header p { margin: 0; opacity: .95; }
.support-page-body .prechat-form { padding: 16px; }
.support-page-body .form-row { display: flex; flex-direction: column; margin-bottom: 12px; text-align: right; }
.support-page-body .form-row label { font-size: .9rem; color: var(--text-light); margin-bottom: 6px; }
.support-page-body .form-row input {
  border: 1px solid var(--border-color); border-radius: 10px; padding: 10px 12px; font-size: 1rem; outline: none;
  background: var(--bg-color); color: var(--text-light); transition: border .2s, box-shadow .2s;
}
.support-page-body .form-row input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(76,175,80,.18); }
.support-page-body .form-row input.invalid { border-color: #d9534f; box-shadow: 0 0 0 3px rgba(217,83,79,.25); }
.support-page-body .form-row .hint { color: var(--text-muted); font-size: .8rem; margin-top: 4px; }
/* پیام خطای فرم */
.support-page-body .prechat-form .error{
  display:none; margin-top:6px; color:#ff9a9a; font-size:.85rem;
}
.support-page-body .prechat-form .form-row input.invalid ~ .error{
  display:block;
}
.support-page-body .btn-primary {
  width: 100%; border: none; cursor: pointer; border-radius: 10px; padding: 12px 14px;
  color: #fff; background: var(--primary-color); font-weight: 700; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 10px 22px rgba(76,175,80,.28); transition: transform .08s, filter .2s, background .2s;
}
.support-page-body .btn-primary:hover { filter: brightness(1.05); } .support-page-body .btn-primary:active { transform: translateY(1px); }

/* انیمیشن‌های عمومی */
@keyframes msgPop { to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes rise { to { transform: translateY(0) scale(1); } }
@keyframes dotUp { 0%,80%,100% { transform: translateY(0); opacity:.6 } 40% { transform: translateY(-3px); opacity:1 } }

/* افکت کوتاه ورود پیام جدید */
@keyframes bubbleFlash { 0%{box-shadow:0 0 0 0 rgba(76,175,80,.0); transform: translateY(4px) scale(.98)} 40%{box-shadow:0 4px 16px rgba(76,175,80,.18)} 100%{box-shadow:0 1px 0 rgba(0,0,0,.25); transform: translateY(0) scale(1)} }
.support-page-body .message.is-new { animation: bubbleFlash .38s ease-out; }

/* ریسپانسیو */
@media (max-width: 768px) {
  .support-page-body .support-main-content { padding: 0; }
  .support-page-body .chat-container { height: calc(100vh - 66px); min-height: 0; border-radius: 0; border: none; }
  .support-page-body .scroll-bottom-btn { bottom: 66px; }
}

/* کاهش حرکت سیستم */
@media (prefers-reduced-motion: reduce) {
  .support-page-body .message,
  .support-page-body .message.is-new,
  .support-page-body .scroll-bottom-btn.attn,
  .support-page-body .chat-header.is-typing .support-avatar,
  .support-page-body .date-separator { animation: none !important; }
}
/* FIX: نمایش پیام‌ها وقتی کاربر reduce motion فعاله */
@media (prefers-reduced-motion: reduce) {
  .support-page-body .message,
  .support-page-body .date-separator {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}