/* OKITO Chat Widget - Premium Design */

:root {
  --chat-primary: #00ffcc;
  --chat-primary-dark: #00d4aa;
  --chat-bg: #0a0e16;
  --chat-surface: #111827;
  --chat-surface-light: #1f2937;
  --chat-text: #f3f4f6;
  --chat-text-muted: #9ca3af;
  --chat-border: rgba(0, 255, 204, 0.2);
  --chat-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  --chat-radius: 20px;
  --chat-transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Chat Toggle Button */
#okito-chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  color: #041a14;
  font-size: 28px;
  cursor: pointer;
  z-index: 9998;
  box-shadow: 
    0 4px 20px rgba(0, 255, 204, 0.4),
    0 0 0 0 rgba(0, 255, 204, 0.4);
  transition: all var(--chat-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#okito-chat-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

#okito-chat-toggle:hover::before {
  opacity: 1;
}

#okito-chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 
    0 8px 32px rgba(0, 255, 204, 0.5),
    0 0 0 8px rgba(0, 255, 204, 0.15);
}

#okito-chat-toggle.open {
  transform: rotate(90deg) scale(0.9);
  background: var(--chat-surface);
  color: var(--chat-primary);
  box-shadow: var(--chat-shadow);
  opacity: 0;
  pointer-events: none;
}

/* Pulse animation */
#okito-chat-toggle:not(.open) {
  animation: chat-pulse 2s ease-in-out infinite;
}

@keyframes chat-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0, 255, 204, 0.4), 0 0 0 0 rgba(0, 255, 204, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(0, 255, 204, 0.4), 0 0 0 12px rgba(0, 255, 204, 0); }
}

/* Chat Widget Container */
#okito-chat-widget {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 360px;
  max-width: calc(100vw - 48px);
  height: 520px;
  max-height: calc(100vh - 140px);
  background: var(--chat-bg);
  border-radius: var(--chat-radius);
  border: 1px solid var(--chat-border);
  box-shadow: var(--chat-shadow);
  z-index: 9997;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all var(--chat-transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#okito-chat-widget.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Chat Header */
#okito-chat-header {
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--chat-surface), var(--chat-bg));
  border-bottom: 1px solid var(--chat-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

#okito-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 255, 204, 0.3);
}

#okito-chat-info {
  flex: 1;
}

#okito-chat-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--chat-text);
  margin: 0;
  line-height: 1.2;
}

#okito-chat-status {
  font-size: 11px;
  color: var(--chat-primary);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

#okito-chat-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chat-primary);
  animation: status-blink 2s ease-in-out infinite;
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#okito-chat-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--chat-border);
  background: transparent;
  color: var(--chat-text-muted);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

#okito-chat-close:hover {
  background: var(--chat-surface-light);
  color: var(--chat-text);
  border-color: var(--chat-primary);
}

/* Contact Form */
#okito-contact-form {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
}

#okito-contact-form h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--chat-text);
  margin: 0;
  text-align: center;
}

#okito-contact-form p {
  font-size: 12px;
  color: var(--chat-text-muted);
  margin: 0 0 4px;
  text-align: center;
  line-height: 1.4;
}

.okito-input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.okito-input-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--chat-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.okito-input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--chat-border);
  background: var(--chat-surface);
  color: var(--chat-text);
  font-size: 13px;
  transition: all 0.2s;
}

.okito-input:focus {
  outline: none;
  border-color: var(--chat-primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.1);
}

.okito-input::placeholder {
  color: var(--chat-text-muted);
}

/* Captcha */
.okito-captcha-group {
  margin-top: 8px;
}

.okito-captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.okito-captcha-row span {
  font-size: 18px;
  font-weight: 600;
  color: var(--chat-primary);
  min-width: 60px;
}

.okito-captcha-input {
  width: 80px !important;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
}

/* Markdown styles */
.okito-message.assistant h2 {
  font-size: 16px;
  margin: 12px 0 8px;
  color: var(--chat-primary);
}

.okito-message.assistant h3 {
  font-size: 15px;
  margin: 10px 0 6px;
  color: var(--chat-text);
}

.okito-message.assistant h4 {
  font-size: 14px;
  margin: 8px 0 4px;
  color: var(--chat-text);
}

.okito-message.assistant p {
  margin: 8px 0;
  line-height: 1.5;
}

.okito-message.assistant ul {
  margin: 8px 0;
  padding-left: 20px;
}

.okito-message.assistant li {
  margin: 4px 0;
}

.okito-message.assistant strong {
  color: var(--chat-primary);
}

.okito-message.assistant em {
  font-style: italic;
  color: var(--chat-text-muted);
}

/* Code blocks */
.okito-message.assistant pre.code-block {
  background: var(--chat-surface-light);
  border: 1px solid var(--chat-border);
  border-radius: 8px;
  padding: 12px;
  margin: 12px 0;
  overflow-x: auto;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  position: relative;
}

.okito-message.assistant pre.code-block::before {
  content: attr(data-lang);
  position: absolute;
  top: 4px;
  right: 8px;
  font-size: 10px;
  color: var(--chat-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.okito-message.assistant pre.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
}

/* Inline code */
.okito-message.assistant code.inline-code {
  background: var(--chat-surface-light);
  border: 1px solid var(--chat-border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  color: var(--chat-primary);
}

/* Syntax highlighting */
.okito-message.assistant .code-keyword {
  color: #ff79c6;
  font-weight: 600;
}

.okito-message.assistant .code-string {
  color: #f1fa8c;
}

.okito-message.assistant .code-number {
  color: #bd93f9;
}

.okito-message.assistant .code-comment {
  color: #6272a4;
  font-style: italic;
}

/* Light theme code */
[data-theme="light"] .okito-message.assistant pre.code-block {
  background: #f8f9fa;
  border-color: #e9ecef;
}

[data-theme="light"] .okito-message.assistant code.inline-code {
  background: #f8f9fa;
  border-color: #e9ecef;
}

[data-theme="light"] .okito-message.assistant .code-keyword {
  color: #d63384;
}

[data-theme="light"] .okito-message.assistant .code-string {
  color: #198754;
}

[data-theme="light"] .okito-message.assistant .code-number {
  color: #0d6efd;
}

[data-theme="light"] .okito-message.assistant .code-comment {
  color: #6c757d;
}

#okito-start-btn {
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  color: #041a14;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 4px;
}

#okito-start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 255, 204, 0.4);
}

#okito-start-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Chat Container */
#okito-chat-container {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

#okito-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

/* Scrollbar */
#okito-chat-messages::-webkit-scrollbar {
  width: 6px;
}

#okito-chat-messages::-webkit-scrollbar-track {
  background: var(--chat-surface);
}

#okito-chat-messages::-webkit-scrollbar-thumb {
  background: var(--chat-border);
  border-radius: 3px;
}

#okito-chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--chat-primary);
}

/* Messages */
.okito-message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.4;
  animation: message-in 0.3s ease-out;
}

@keyframes message-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.okito-message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  color: #041a14;
  border-bottom-right-radius: 6px;
}

.okito-message.assistant {
  align-self: flex-start;
  background: var(--chat-surface);
  color: var(--chat-text);
  border: 1px solid var(--chat-border);
  border-bottom-left-radius: 6px;
}

.okito-message.assistant .sources {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--chat-border);
  font-size: 12px;
  color: var(--chat-text-muted);
}

/* Typing indicator */
.okito-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 18px;
  background: var(--chat-surface);
  border: 1px solid var(--chat-border);
  border-radius: 18px;
  border-bottom-left-radius: 6px;
  align-self: flex-start;
}

.okito-typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chat-primary);
  animation: typing-bounce 1.4s ease-in-out infinite;
}

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

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
}

/* Chat Input */
#okito-chat-input-area {
  padding: 12px 16px;
  background: var(--chat-surface);
  border-top: 1px solid var(--chat-border);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

#okito-chat-input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 20px;
  border: 1px solid var(--chat-border);
  background: var(--chat-bg);
  color: var(--chat-text);
  font-size: 13px;
  resize: none;
  max-height: 100px;
  min-height: 36px;
  line-height: 1.3;
  transition: all 0.2s;
}

#okito-chat-input:focus {
  outline: none;
  border-color: var(--chat-primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.1);
}

#okito-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--chat-primary), var(--chat-primary-dark));
  color: #041a14;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#okito-send-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(0, 255, 204, 0.4);
}

#okito-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Manager request */
.okito-manager-request {
  padding: 16px;
  background: var(--chat-surface-light);
  border-radius: 12px;
  border: 1px solid var(--chat-border);
  margin-top: 8px;
}

.okito-manager-request p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--chat-text);
}

.okito-manager-btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--chat-primary);
  background: transparent;
  color: var(--chat-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.okito-manager-btn:hover {
  background: var(--chat-primary);
  color: #041a14;
}

/* Light theme */
[data-theme="light"] #okito-chat-widget {
  --chat-bg: #ffffff;
  --chat-surface: #f8fafc;
  --chat-surface-light: #f1f5f9;
  --chat-text: #0f172a;
  --chat-text-muted: #64748b;
  --chat-border: rgba(0, 255, 204, 0.3);
}

[data-theme="light"] #okito-chat-toggle {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Mobile adjustments */
@media (max-width: 767px) {
  #okito-chat-widget {
    width: 100%;
    max-width: 100%;
    left: 0;
    right: 0;
    top: 0 !important;
    bottom: 0 !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0;
    z-index: 20001;
  }
  
  #okito-chat-toggle {
    bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
    right: 16px;
    width: 56px;
    height: 56px;
    z-index: 20002;
  }
}

/* Hidden state */
.hidden {
  display: none !important;
}

/* Fade in animation */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fade-in 0.3s ease-out;
}