/* ═══════════════════════════════════════════════════════════════
   HEISENWORKS.STUDIO — Encrypted Client Chat Widget (chat.css)
   ═══════════════════════════════════════════════════════════════ */

/* ── CHAT TRIGGER BUTTON ── */
#chat-trigger {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--border);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  z-index: 8000;
  box-shadow: 0 12px 30px rgba(12,11,9,0.15);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

#chat-trigger:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 30px rgba(244, 242, 238, 0.1);
}

#chat-trigger .trigger-icon {
  position: relative;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#chat-trigger .trigger-close {
  display: none;
  font-size: 20px;
}

#chat-trigger.active {
  background: var(--ink);
  border-color: var(--ink);
  transform: rotate(90deg) scale(0.95);
}

#chat-trigger.active .trigger-open { display: none; }
#chat-trigger.active .trigger-close { display: block; }

#chat-trigger .pulse-ring {
  display: none;
}

@keyframes triggerGlow {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { opacity: 0; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ── CHAT BOX CONTAINER ── */
#chat-box {
  position: fixed;
  bottom: 104px;
  right: 32px;
  width: 400px;
  height: 580px;
  background: rgba(12, 11, 9, 0.96);
  border: 1px solid rgba(244, 242, 238, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 8000;
  opacity: 0;
  transform: translateY(24px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

#chat-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: multiply;
}

#chat-box.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* ── CHAT HEADER ── */
.chat-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(244, 242, 238, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(20, 19, 17, 0.6);
  position: relative;
  z-index: 3;
}

.chat-header-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-title span {
  font-size: 8px;
  background: var(--cobalt);
  color: #fff;
  padding: 1px 5px;
  font-weight: 400;
}

.chat-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 242, 238, 0.4);
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-status::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--green);
  border-radius: 50%;
  animation: statusBlink 2.5s ease-in-out infinite;
}

.chat-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-btn {
  background: none;
  border: none;
  color: rgba(244, 242, 238, 0.4);
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-btn:hover {
  color: var(--paper);
}

/* ── CHAT SCREEN AREA ── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.chat-messages::-webkit-scrollbar {
  display: block;
  width: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(244, 242, 238, 0.15);
}

/* ── MESSAGE BUBBLES ── */
.msg {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  animation: msgSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes msgSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg-partner {
  align-self: flex-start;
}

.msg-client {
  align-self: flex-end;
}

.msg-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.05em;
  color: rgba(244, 242, 238, 0.35);
  display: flex;
  align-items: center;
  gap: 6px;
}

.msg-client .msg-meta {
  justify-content: flex-end;
}

.msg-content {
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
}

.msg-partner .msg-content {
  background: rgba(244, 242, 238, 0.03);
  border: 1px solid rgba(244, 242, 238, 0.07);
  color: rgba(244, 242, 238, 0.85);
  border-top-left-radius: 0;
}

.msg-client .msg-content {
  background: rgba(244, 242, 238, 0.08);
  border: 1px solid rgba(244, 242, 238, 0.15);
  color: var(--paper);
  border-top-right-radius: 0;
}

.msg-system {
  align-self: center;
  max-width: 100%;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  color: rgba(244, 242, 238, 0.35);
  padding: 4px 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.msg-content p {
  margin-bottom: 8px;
}

.msg-content p:last-child {
  margin-bottom: 0;
}

/* Typewriter blinking cursor for responses */
.typewriter-cursor::after {
  content: '█';
  animation: typeCursorBlink 1s step-end infinite;
  color: var(--paper);
  margin-left: 2px;
}

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

/* ── SUGGESTED CHIPS ── */
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 24px 16px;
  z-index: 3;
}

.suggest-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(244, 242, 238, 0.02);
  border: 1px solid rgba(244, 242, 238, 0.08);
  color: rgba(244, 242, 238, 0.55);
  padding: 6px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.suggest-chip:hover {
  background: rgba(244, 242, 238, 0.08);
  border-color: rgba(244, 242, 238, 0.3);
  color: #fff;
}

/* ── CHAT INPUT CONTAINER ── */
.chat-input-area {
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(244, 242, 238, 0.08);
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(12, 11, 9, 0.98);
  position: relative;
  z-index: 3;
}

.chat-input {
  flex: 1;
  background: rgba(244, 242, 238, 0.03);
  border: 1px solid rgba(244, 242, 238, 0.08);
  color: var(--paper);
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 300;
  transition: border-color 0.3s, background-color 0.3s;
}

.chat-input:focus {
  outline: none;
  background: rgba(244, 242, 238, 0.05);
  border-color: rgba(244, 242, 238, 0.25);
}

.chat-input::placeholder {
  color: rgba(244, 242, 238, 0.25);
}

.chat-send-btn {
  width: 42px;
  height: 42px;
  background: rgba(244, 242, 238, 0.03);
  border: 1px solid rgba(244, 242, 238, 0.08);
  color: rgba(244, 242, 238, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.chat-send-btn:hover {
  background: rgba(244, 242, 238, 0.08);
  border-color: rgba(244, 242, 238, 0.2);
  color: var(--paper);
  transform: translateY(-1px);
}



/* ── TYPING INDICATOR ── */
.typing-dots {
  display: flex;
  gap: 4px;
  padding: 6px 0;
  align-items: center;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  background: rgba(244, 242, 238, 0.55);
  border-radius: 50%;
  animation: typeBlink 1.4s infinite both;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typeBlink {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
  45% { transform: scale(1); opacity: 1; }
}

/* ── RESPONSIVE MOBILE ADJUSTMENTS ── */
@media (max-width: 480px) {
  #chat-box {
    width: calc(100% - 32px);
    right: 16px;
    left: 16px;
    bottom: 88px;
    height: calc(100vh - 120px);
    max-height: 560px;
  }
  #chat-trigger {
    bottom: 20px;
    right: 20px;
  }
}