/* Doma Twin — Reception Desk Visual Design System */

:root {
  --color-ink: #16263D;
  --color-porcelain: #F7F8F3;
  --color-teal: #167C78;
  --color-teal-hover: #126360;
  --color-teal-light: #EAF4F3;
  --color-coral: #E76547;
  --color-coral-light: #FDF1EE;
  --color-mist: #DCEAE7;
  --color-surface: #FFFFFF;
  --color-border: #DCE3E6;
  --color-border-subtle: #EBEFEF;
  --color-text-muted: #5C6F84;
  --color-text-main: #16263D;
  --font-stack: "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-subtle: 0 2px 8px rgba(22, 38, 61, 0.04);
  --shadow-card: 0 4px 14px rgba(22, 38, 61, 0.06);
  --max-width: 1400px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}

body {
  font-family: var(--font-stack);
  background-color: var(--color-porcelain);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 1. Simulation Top Banner */
.simulation-banner {
  background-color: var(--color-ink);
  color: var(--color-porcelain);
  padding: 8px 16px;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 100;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

.simulation-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
}

.simulation-badge {
  background-color: var(--color-coral);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.6875rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
  display: inline-block;
}

.simulation-text {
  color: #E2E8F0;
  font-size: 0.75rem;
  line-height: 1.35;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  flex: 1 1 200px;
}

/* 2. Main 3-Column Layout */
.app-layout {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px;
  flex: 1;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 280px;
  gap: 20px;
  height: calc(100vh - 40px);
  min-width: 0;
  box-sizing: border-box;
}

/* 3. Left Identity Rail */
.identity-rail {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-subtle);
  overflow-y: auto;
  min-width: 0;
  box-sizing: border-box;
  width: 100%;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-subtle);
  min-width: 0;
}

.brand-emblem {
  width: 40px;
  height: 40px;
  background-color: var(--color-teal);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-titles {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  overflow-wrap: break-word;
  word-break: break-word;
}

.brand-subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  overflow-wrap: break-word;
  word-break: break-word;
}

.assistant-card {
  background-color: var(--color-mist);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  box-sizing: border-box;
}

.assistant-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--color-ink);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.assistant-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.assistant-name {
  font-size: 0.9375rem;
  color: var(--color-ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

.assistant-badge {
  font-size: 0.75rem;
  color: var(--color-teal);
  font-weight: 600;
  overflow-wrap: break-word;
  word-break: break-word;
}

.session-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.control-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.language-toggle {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-porcelain);
  min-width: 0;
}

.lang-btn {
  flex: 1;
  padding: 6px 12px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 0;
}

.lang-btn.active {
  background-color: var(--color-teal);
  color: #FFFFFF;
}

.session-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 8px;
  font-size: 0.8125rem;
  padding: 4px 0;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.meta-label {
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-size: 0.8125rem;
}

.meta-value {
  font-weight: 600;
  color: var(--color-ink);
  min-width: 0;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-all;
}

.status-online {
  color: var(--color-teal);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.status-online::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-teal);
  border-radius: 50%;
  flex-shrink: 0;
}

.session-id-text {
  font-family: monospace;
  font-size: 0.6875rem;
  background-color: var(--color-porcelain);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-all;
  white-space: normal;
  box-sizing: border-box;
}

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: auto;
  min-width: 0;
}

.btn-secondary:hover {
  background-color: var(--color-porcelain);
  border-color: var(--color-ink);
}

.rail-footer {
  padding-top: 12px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  min-width: 0;
}

/* 4. Center Conversation Surface */
.conversation-surface {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  position: relative;
  overflow: hidden;
  min-width: 0;
  box-sizing: border-box;
}

.surface-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FAFCFC;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-teal);
  border-radius: 50%;
  flex-shrink: 0;
}

.header-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-ink);
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
}

.header-actions {
  flex-shrink: 0;
}

.mode-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-teal);
  background-color: var(--color-teal-light);
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  display: inline-block;
}

/* Transcript Area */
.transcript-surface {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  box-sizing: border-box;
}

.message-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 85%;
  min-width: 0;
  box-sizing: border-box;
  animation: revealMessage 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.message-assistant {
  align-self: flex-start;
}

.message-user {
  align-self: flex-end;
}

.message-header {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 4px;
  min-width: 0;
}

.message-bubble {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.55;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  box-sizing: border-box;
}

.bubble-assistant {
  background-color: #F8FAFA;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  border-top-left-radius: 2px;
}

.bubble-user {
  background-color: var(--color-teal);
  color: #FFFFFF;
  border-top-right-radius: 2px;
}

/* Simulated Tool Card in Transcript */
.tool-outcome-card {
  align-self: stretch;
  background-color: #FBFDFD;
  border: 1px solid var(--color-mist);
  border-left: 4px solid var(--color-teal);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-subtle);
  min-width: 0;
  box-sizing: border-box;
  animation: revealMessage 0.2s ease-out forwards;
}

.tool-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-badge {
  background-color: var(--color-coral-light);
  color: var(--color-coral);
  font-weight: 700;
  font-size: 0.6875rem;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}

.tool-title {
  font-weight: 700;
  color: var(--color-ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

.tool-status-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.status-tag-success {
  background-color: var(--color-teal-light);
  color: var(--color-teal);
}

.status-tag-conflict {
  background-color: var(--color-coral-light);
  color: var(--color-coral);
}

.status-tag-error {
  background-color: #FDE8E8;
  color: #9B1C1C;
}

.status-tag-ambiguous {
  background-color: #FEF08A;
  color: #713F12;
}

.status-tag-neutral {
  background-color: #E2E8F0;
  color: var(--color-ink);
}

.tool-card-body {
  font-size: 0.875rem;
  color: var(--color-ink);
  line-height: 1.5;
  overflow-wrap: break-word;
  word-break: break-word;
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 8px;
  width: 100%;
  box-sizing: border-box;
}

.slot-item-btn {
  padding: 8px 10px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-teal);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-teal);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  box-sizing: border-box;
}

.slot-item-btn:hover {
  background-color: var(--color-teal);
  color: #FFFFFF;
}

.tool-disclaimer-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 6px;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Typing Indicator */
.typing-indicator {
  padding: 0 20px 12px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-indicator .dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-teal);
  border-radius: 50%;
  animation: bounce 1.2s infinite ease-in-out;
}

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

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); opacity: 0.3; }
  40% { transform: scale(1); opacity: 1; }
}

/* Composer Area */
.composer-container {
  padding: 14px 18px;
  border-top: 1px solid var(--color-border);
  background-color: #FAFCFC;
  width: 100%;
  box-sizing: border-box;
}

.composer-wrapper {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.composer-input {
  flex: 1;
  font-family: inherit;
  font-size: 0.9375rem;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-ink);
  resize: none;
  min-height: 44px;
  max-height: 120px;
  line-height: 1.4;
  outline: none;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
}

.composer-input:focus {
  border-color: var(--color-teal);
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  background-color: var(--color-teal);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  height: 44px;
  flex-shrink: 0;
  box-sizing: border-box;
  transition: background-color 0.15s ease;
}

.btn-primary:hover {
  background-color: var(--color-teal-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 5. Right Contextual Rail */
.context-rail {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow-subtle);
  overflow-y: auto;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.rail-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.section-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  overflow-wrap: break-word;
  word-break: break-word;
}

.quick-prompts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.prompt-btn {
  text-align: left;
  padding: 10px 14px;
  background-color: #F8FAFA;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.8125rem;
  color: var(--color-ink);
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  box-sizing: border-box;
}

.prompt-btn:hover {
  background-color: var(--color-mist);
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.simulated-tools-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.tool-action-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background-color: var(--color-porcelain);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  min-width: 0;
  box-sizing: border-box;
}

.tool-action-btn:hover {
  background-color: var(--color-teal-light);
  border-color: var(--color-teal);
}

.tool-btn-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.tool-btn-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.tool-btn-info strong {
  font-size: 0.8125rem;
  color: var(--color-ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

.tool-btn-info small {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  overflow-wrap: break-word;
  word-break: break-word;
}

/* 6. Responsive & Mobile Single-Column Flow (Context Rail NEVER hidden) */
@media (max-width: 1024px) {
  .app-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    grid-template-rows: auto auto;
    height: auto;
    min-height: calc(100vh - 40px);
    padding: 16px;
    gap: 16px;
  }

  .context-rail {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
    padding: 18px;
    overflow-y: visible;
  }

  .context-rail .rail-section {
    flex: 1 1 280px;
    min-width: 0;
  }
}

@media (max-width: 768px) {
  .app-layout {
    display: flex;
    flex-direction: column;
    padding: 10px 8px;
    gap: 12px;
    height: auto;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .identity-rail {
    padding: 12px 10px;
    gap: 10px;
    border-radius: var(--radius-md);
  }

  .brand-header {
    padding-bottom: 8px;
    gap: 8px;
  }

  .brand-emblem {
    width: 32px;
    height: 32px;
    font-size: 0.9375rem;
  }

  .brand-name {
    font-size: 1.125rem;
  }

  .assistant-card {
    padding: 8px 10px;
  }

  .session-controls {
    gap: 10px;
  }

  .session-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .conversation-surface {
    height: 55vh;
    min-height: 360px;
    border-radius: var(--radius-md);
  }

  .surface-header {
    padding: 10px 12px;
  }

  .transcript-surface {
    padding: 12px 10px;
    gap: 12px;
  }

  .composer-container {
    position: sticky;
    bottom: 0;
    z-index: 10;
    padding: 10px 8px;
  }

  .context-rail {
    grid-column: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 14px 10px;
    border-radius: var(--radius-md);
    overflow-y: visible;
  }

  .quick-prompts-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .simulated-tools-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
}

@media (max-width: 420px) {
  .app-layout {
    padding: 6px 4px;
    gap: 8px;
  }

  .simulation-banner {
    padding: 6px 8px;
  }

  .simulation-banner-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .simulation-text {
    flex: 0 1 auto;
    width: 100%;
  }

  .message-row {
    max-width: 95%;
  }

  .message-bubble {
    padding: 8px 12px;
    font-size: 0.8125rem;
  }

  .tool-outcome-card {
    padding: 10px 8px;
  }

  .slots-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 4px;
  }

  .btn-primary .btn-text {
    display: none;
  }

  .btn-primary {
    padding: 8px 12px;
  }
}

/* 7. Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}