/* Custom Scrollbars */
.custom-scroll::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.custom-scroll::-webkit-scrollbar-track {
  background: #050505;
}
.custom-scroll::-webkit-scrollbar-thumb {
  background: #25252b;
  border-radius: 9999px;
}
.custom-scroll::-webkit-scrollbar-thumb:hover {
  background: #dc2626;
}

/* Markdown styling inside assistant message */
.markdown-body {
  color: #f4f4f5;
  font-size: 0.875rem;
  line-height: 1.65;
}

.markdown-body p {
  margin-bottom: 0.85rem;
}

.markdown-body p:last-child {
  margin-bottom: 0;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  color: #ffffff;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.markdown-body h1 {
  font-size: 1.35rem;
  border-bottom: 1px solid rgba(220, 38, 38, 0.3);
  padding-bottom: 0.3rem;
}
.markdown-body h2 { font-size: 1.15rem; }
.markdown-body h3 { font-size: 1rem; color: #f87171; }

.markdown-body ul, .markdown-body ol {
  margin-left: 1.25rem;
  margin-bottom: 0.85rem;
}

.markdown-body ul { list-style-type: disc; }
.markdown-body ol { list-style-type: decimal; }

.markdown-body li {
  margin-bottom: 0.25rem;
}

.markdown-body pre {
  position: relative;
  background-color: #000000;
  border: 1px solid #381014;
  border-radius: 0.6rem;
  padding: 0.85rem;
  margin-top: 0.6rem;
  margin-bottom: 0.85rem;
  overflow-x: auto;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.markdown-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
}

.markdown-body :not(pre) > code {
  background-color: #1a080a;
  color: #ff6b7e;
  border: 1px solid #4a1017;
  padding: 0.15rem 0.4rem;
  border-radius: 0.3rem;
  font-weight: 500;
}

.markdown-body blockquote {
  border-left: 3px solid #dc2626;
  background: rgba(220, 38, 38, 0.05);
  padding: 0.5rem 0.85rem;
  border-radius: 0 0.4rem 0.4rem 0;
  color: #d4d4d8;
  font-style: italic;
  margin-bottom: 0.85rem;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.85rem;
}

.markdown-body th, .markdown-body td {
  border: 1px solid #281014;
  padding: 0.45rem 0.75rem;
  text-align: left;
}

.markdown-body th {
  background-color: #1a0507;
  color: #ff4d61;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
}

/* Reasoning / Think block (Hacker Red Terminal style) */
.think-block {
  background-color: #050102;
  border: 1px solid #450a0a;
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  color: #a1a1aa;
}

.think-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  color: #ef4444;
  font-family: ui-monospace, monospace;
}

.think-content {
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid #250608;
  white-space: pre-wrap;
  font-family: ui-monospace, monospace;
  color: #a1a1aa;
  line-height: 1.5;
}

/* Copy code button */
.copy-btn {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  background-color: #141417;
  border: 1px solid #3f1015;
  color: #e4e4e7;
  font-family: ui-monospace, monospace;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 0.3rem;
  transition: all 0.2s;
  cursor: pointer;
}

.copy-btn:hover {
  background-color: #dc2626;
  border-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
  animation: fadeIn 0.25s ease-out forwards;
}

/* 3-Dot Wave Animation (Smooth Thinking State) */
.thinking-wave-container {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: 9999px;
}

.thinking-wave-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff2a2a;
  box-shadow: 0 0 8px rgba(255, 42, 42, 0.8);
  animation: dotWave 1.4s ease-in-out infinite;
}

.thinking-wave-dot:nth-child(1) {
  animation-delay: 0s;
}
.thinking-wave-dot:nth-child(2) {
  animation-delay: 0.2s;
}
.thinking-wave-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotWave {
  0%, 60%, 100% {
    transform: translateY(0) scale(0.85);
    opacity: 0.3;
  }
  30% {
    transform: translateY(-6px) scale(1.15);
    opacity: 1;
    background: #ff0038;
    box-shadow: 0 0 12px rgba(255, 0, 56, 1);
  }
}

/* Smooth typing cursor */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: #ff2a2a;
  margin-left: 2px;
  vertical-align: text-bottom;
  box-shadow: 0 0 6px rgba(255, 42, 42, 0.8);
  animation: blink 0.8s steps(2, start) infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}