/* ════════════════════════════════════════
   chat.css 
   ════════════════════════════════════════ */



.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 32px;
}


.model-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 15px;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, transform 0.18s, box-shadow 0.18s;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}


.model-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0; left: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: 14px 14px 0 0;
}
.model-card:hover::before  { opacity: 1; }


.model-card[data-provider="claude"]::before     { background: var(--claude); }
.model-card[data-provider="openai"]::before     { background: var(--openai); }
.model-card[data-provider="google"]::before     { background: var(--gemini); }
.model-card[data-provider="deepseek"]::before   { background: var(--deepseek); }
.model-card[data-provider="grok"]::before       { background: var(--grok); }
.model-card[data-provider="qwen"]::before       { background: #7c3aed; }
.model-card[data-provider="moonshot"]::before   { background: #06b6d4; }
.model-card[data-provider="perplexity"]::before { background: #20b2aa; }
.model-card[data-provider="minimax"]::before    { background: #f59e0b; }


.model-card[data-provider="claude"]     { --card-tint: rgba(217,119,81,0.04); }
.model-card[data-provider="openai"]     { --card-tint: rgba(16,163,127,0.04); }
.model-card[data-provider="google"]     { --card-tint: rgba(66,133,244,0.04); }
.model-card[data-provider="deepseek"]   { --card-tint: rgba(74,158,255,0.04); }
.model-card[data-provider="grok"]       { --card-tint: rgba(170,170,170,0.03); }
.model-card[data-provider="qwen"]       { --card-tint: rgba(124,58,237,0.04); }
.model-card[data-provider="moonshot"]   { --card-tint: rgba(6,182,212,0.04); }
.model-card[data-provider="perplexity"] { --card-tint: rgba(32,178,170,0.04); }
.model-card[data-provider="minimax"]    { --card-tint: rgba(245,158,11,0.04); }

.model-card:hover {
  border-color: var(--border-hover);
  background: var(--card-tint, var(--bg-hover));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.model-card.locked { opacity: 0.55; }
.model-card.locked:hover {
  opacity: 0.75;
  border-color: rgba(255,255,255,0.12);
  transform: none;
  box-shadow: none;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.card-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; flex-shrink: 0;
  transition: transform 0.18s;
}
.model-card:hover .card-icon { transform: scale(1.08); }


.ic-claude      { background: rgba(217,119,81,0.13); color: var(--claude);   }
.ic-openai      { background: rgba(16,163,127,0.13); color: var(--openai);   }
.ic-gemini      { background: rgba(66,133,244,0.13); color: var(--gemini);   }
.ic-deepseek    { background: rgba(74,158,255,0.13); color: var(--deepseek); }
.ic-grok        { background: rgba(170,170,170,0.09); color: var(--grok);   }
.ic-qwen        { background: rgba(124,58,237,0.12); color: #7c3aed;         }
.ic-kimi        { background: rgba(6,182,212,0.12);  color: #06b6d4;         }
.ic-perplexity  { background: rgba(32,178,170,0.12); color: #20b2aa;         }
.ic-minimax     { background: rgba(245,158,11,0.12); color: #f59e0b;         }


.provider-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}


.pro-tag {
  background: rgba(245,158,11,0.10);
  border: 1px solid rgba(245,158,11,0.22);
  color: #b45309;
  font-size: 8px; font-weight: 700;
  padding: 2px 6px; border-radius: 5px;
  letter-spacing: 0.6px; white-space: nowrap;
  flex-shrink: 0;
}


.card-name {
  font-size: 12.5px; font-weight: 600;
  color: var(--text-primary); line-height: 1.3;
}
.card-desc {
  font-size: 10.5px; color: var(--text-muted);
  line-height: 1.6; flex: 1;
}

/* ── فوتر کارت ── */
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 2px;
  border-top: 1px solid var(--border);
  padding-top: 9px;
}
.card-select {
  font-size: 10.5px; color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
  transition: color 0.15s;
}
.model-card:hover .card-select { color: var(--text-primary); }
.card-select i { font-size: 12px; }


.search-wrap  { position: relative; margin-bottom: 20px; }
.search-icon  { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 15px; pointer-events: none; }
.search-input {
  width: 100%; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 9px 38px 9px 14px;
  color: var(--text-primary); font-size: 13px; font-family: inherit;
  outline: none; direction: rtl; transition: border-color 0.15s;
}
.search-input:focus       { border-color: var(--border-hover); }
.search-input::placeholder { color: var(--text-muted); }


.chat-area         { flex: 1; display: none; flex-direction: column; overflow: hidden; }
.chat-area.active  { display: flex; }
.content.hidden    { display: none; }

.chat-messages {
  flex: 1; overflow-y: auto;
  padding: 24px 0;
  display: flex; flex-direction: column; gap: 6px;
  scrollbar-width: thin; scrollbar-color: var(--bg-hover) transparent;
}


.msg {
  display: flex;
  justify-content: center;
  animation: fadeUp 0.22s ease;
  width: 100%;
  padding: 4px 0;
}


.msg-avatar { display: none; }


.msg-body {
  width: 100%;
  max-width: 680px;
  padding: 0 28px;
  display: flex;
  flex-direction: column;
}


.msg.user .msg-body { align-items: flex-end; }

.msg.ai  .msg-body  { align-items: flex-start; }

.msg-bubble {
  max-width: 85%;
  padding: 11px 16px;
  border-radius: 18px;
  font-size: 13px; line-height: 1.75;
  white-space: pre-wrap; word-break: break-word;
}


.msg.user .msg-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}


.msg.ai .msg-bubble {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding-right: 0;
  padding-left: 0;
  max-width: 100%;
}


.typing       { display: flex; gap: 5px; align-items: center; padding: 4px 0; }
.typing span  {
  width: 6px; height: 6px; background: var(--text-muted); border-radius: 50%;
  animation: bounce 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }


.input-bar  { padding: 14px 24px 18px; border-top: 1px solid var(--border); flex-shrink: 0; }
.input-wrap {
  display: flex; align-items: flex-end; gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 13px; padding: 10px 12px;
  transition: border-color 0.15s;
}
.input-wrap:focus-within { border-color: var(--border-hover); }

.chat-input {
  flex: 1; background: transparent; border: none;
  color: var(--text-primary); font-size: 13px; font-family: inherit;
  resize: none; outline: none; line-height: 1.6;
  max-height: 140px; min-height: 22px;
  direction: rtl; scrollbar-width: none;
}
.chat-input::placeholder { color: var(--text-muted); }

.input-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

.send-btn {
  width: 34px; height: 34px;
  background: var(--text-primary); border: none; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: #000; font-size: 16px;
  transition: opacity 0.15s; flex-shrink: 0;
}
.send-btn:hover    { opacity: 0.8; }
.send-btn:disabled { opacity: 0.25; cursor: default; }

.input-hint { text-align: center; font-size: 10px; color: var(--text-muted); margin-top: 8px; }