/* ========================================
   NOIRA CHATBOT - Premium CSS
   NOIRIX Client Care Assistant
   ======================================== */

:root {
  --noira-primary: #050505;
  --noira-secondary: #111111;
  --noira-panel: #171717;
  --noira-panel-deep: #0c0c0c;
  --noira-border: rgba(212, 175, 55, 0.18);
  --noira-border-soft: rgba(255, 255, 255, 0.1);
  --noira-text-primary: #f7f3ea;
  --noira-text-secondary: rgba(247, 243, 234, 0.64);
  --noira-text-muted: rgba(247, 243, 234, 0.42);
  --noira-accent: #c3a35c;
  --noira-danger: #9c5b5b;
  --noira-shadow: rgba(0, 0, 0, 0.42);
  --noira-shadow-strong: rgba(0, 0, 0, 0.62);

  --noira-spacing-xs: 0.5rem;
  --noira-spacing-sm: 0.75rem;
  --noira-spacing-md: 1rem;
  --noira-spacing-lg: 1.25rem;

  --noira-icon-size: 56px;
  --noira-icon-top: 80%;
  --noira-window-top: 50%;
  --noira-window-width: 380px;
  --noira-window-height: 600px;
  --noira-border-radius: 10px;
  --noira-border-radius-sm: 8px;
  --noira-border-radius-pill: 999px;

  --noira-font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --noira-font-size-base: 14px;
  --noira-font-size-sm: 12px;
  --noira-font-size-lg: 16px;
  --noira-font-weight-regular: 400;
  --noira-font-weight-medium: 500;
  --noira-font-weight-semibold: 600;

  --noira-transition-fast: 150ms ease-out;
  --noira-transition-normal: 260ms ease-out;
  --noira-transition-slow: 420ms ease-out;
}

.noira-container,
.noira-container * {
  box-sizing: border-box;
}

.noira-container {
  font-family: var(--noira-font-family);
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 999999;
  pointer-events: none;
}

/* ========================================
   FLOATING ICON
   ======================================== */

.noira-icon {
  position: fixed;
  top: var(--noira-icon-top);
  right: var(--noira-spacing-md);
  z-index: 999999;
  width: var(--noira-icon-size);
  height: var(--noira-icon-size);
  padding: 0;
  border: 1px solid var(--noira-border);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, #202020 0, #070707 58%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font: inherit;
  pointer-events: auto !important;
  box-shadow: 0 16px 42px var(--noira-shadow-strong);
  transform: translateY(-50%);
  transition: border-color var(--noira-transition-fast), box-shadow var(--noira-transition-fast), opacity var(--noira-transition-normal), transform var(--noira-transition-normal);
  user-select: none;
  outline: none;
}

.noira-icon:hover {
  border-color: rgba(195, 163, 92, 0.55);
  box-shadow: 0 18px 48px var(--noira-shadow-strong);
}

.noira-icon:active {
  transform: translateY(-50%) scale(0.96);
}

.noira-icon:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 3px;
}

.noira-icon-svg {
  width: 24px;
  height: 24px;
  color: #ffffff;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.noira-pulse {
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1px solid rgba(195, 163, 92, 0.55);
  animation: noira-pulse-animation 2.6s ease-in-out infinite;
}

@keyframes noira-pulse-animation {
  0% {
    opacity: 0.8;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.22);
  }
}

/* ========================================
   CHAT WINDOW
   ======================================== */

.noira-window {
  position: fixed;
  top: var(--noira-window-top);
  right: calc(var(--noira-spacing-md) + var(--noira-icon-size) + 14px);
  width: var(--noira-window-width);
  height: min(var(--noira-window-height), calc(100vh - 2rem));
  height: min(var(--noira-window-height), calc(100dvh - 2rem));
  border: 1px solid var(--noira-border);
  border-radius: var(--noira-border-radius);
  background: linear-gradient(180deg, #141414 0%, #0d0d0d 100%);
  box-shadow: 0 24px 70px var(--noira-shadow-strong);
  display: flex;
  flex-direction: column;
  opacity: 0;
  overflow: hidden;
  transform: translateY(calc(-50% + 18px)) scale(0.96);
  pointer-events: none;
  transition: opacity var(--noira-transition-normal), transform var(--noira-transition-normal);
  z-index: 999998;
}

.noira-window.noira-window-open {
  opacity: 1;
  transform: translateY(-50%) scale(1);
  pointer-events: auto !important;
}

.noira-container.noira-active .noira-icon {
  opacity: 0;
  pointer-events: none !important;
}

/* ========================================
   HEADER
   ======================================== */

.noira-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--noira-spacing-sm);
  padding: var(--noira-spacing-md) var(--noira-spacing-lg);
  border-bottom: 1px solid var(--noira-border-soft);
  background: rgba(5, 5, 5, 0.92);
}

.noira-header-content {
  min-width: 0;
  flex: 1;
}

.noira-title {
  margin: 0;
  color: var(--noira-text-primary);
  font-size: 18px;
  font-weight: var(--noira-font-weight-semibold);
  line-height: 1.15;
  letter-spacing: 0;
}

.noira-subtitle {
  margin: 3px 0 0;
  color: var(--noira-text-secondary);
  font-size: var(--noira-font-size-sm);
  font-weight: var(--noira-font-weight-regular);
  line-height: 1.25;
}

.noira-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.noira-close {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--noira-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
  transition: color var(--noira-transition-fast), background var(--noira-transition-fast), border-color var(--noira-transition-fast);
}

.noira-close:hover {
  border-color: var(--noira-border-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--noira-text-primary);
}

.noira-close:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 2px;
}

.noira-close svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.3;
}

/* ========================================
   CLOSE CONFIRMATION
   ======================================== */

.noira-close-confirm {
  position: absolute;
  top: 82px;
  left: var(--noira-spacing-md);
  right: var(--noira-spacing-md);
  z-index: 4;
  padding: var(--noira-spacing-lg);
  border: 1px solid var(--noira-border);
  border-radius: var(--noira-border-radius-sm);
  background: rgba(17, 17, 17, 0.98);
  color: var(--noira-text-primary);
  box-shadow: 0 18px 40px var(--noira-shadow-strong);
}

.noira-close-confirm[hidden] {
  display: none;
}

.noira-close-confirm h3 {
  margin: 0 0 8px;
  color: var(--noira-text-primary);
  font-size: 15px;
  font-weight: var(--noira-font-weight-semibold);
  line-height: 1.25;
  letter-spacing: 0;
}

.noira-close-confirm p {
  margin: 0;
  color: var(--noira-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.noira-close-confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--noira-spacing-sm);
  margin-top: var(--noira-spacing-md);
}

.noira-confirm-btn {
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--noira-border-soft);
  border-radius: var(--noira-border-radius-sm);
  background: transparent;
  color: var(--noira-text-primary);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: var(--noira-font-weight-medium);
  line-height: 1.2;
  outline: none;
  transition: color var(--noira-transition-fast), background var(--noira-transition-fast), border-color var(--noira-transition-fast), transform var(--noira-transition-fast);
}

.noira-confirm-btn:hover {
  transform: translateY(-1px);
}

.noira-confirm-btn:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 2px;
}

.noira-confirm-btn--end {
  border-color: rgba(156, 91, 91, 0.5);
  color: rgba(255, 218, 218, 0.92);
}

.noira-confirm-btn--end:hover {
  background: rgba(156, 91, 91, 0.12);
  border-color: rgba(156, 91, 91, 0.72);
}

.noira-confirm-btn--continue {
  border-color: rgba(195, 163, 92, 0.72);
  background: rgba(195, 163, 92, 0.16);
  color: #ffffff;
}

.noira-confirm-btn--continue:hover {
  background: rgba(195, 163, 92, 0.24);
  border-color: rgba(195, 163, 92, 0.95);
}

/* ========================================
   MESSAGES
   ======================================== */

.noira-messages {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--noira-spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--noira-spacing-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0)),
    var(--noira-secondary);
  scroll-behavior: smooth;
}

.noira-messages::-webkit-scrollbar {
  width: 6px;
}

.noira-messages::-webkit-scrollbar-track {
  background: transparent;
}

.noira-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

.noira-message {
  display: flex;
  align-items: flex-end;
  gap: var(--noira-spacing-sm);
  animation: noira-fade-in var(--noira-transition-fast);
}

@keyframes noira-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.noira-message-user {
  justify-content: flex-end;
}

.noira-message-assistant {
  justify-content: flex-start;
}

.noira-message-bubble {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 14px;
  word-wrap: break-word;
  word-break: break-word;
  color: var(--noira-text-primary);
  font-size: var(--noira-font-size-base);
  line-height: 1.5;
}

.noira-message-bubble p {
  margin: 0;
  color: inherit;
  font-weight: var(--noira-font-weight-regular);
}

.noira-message-assistant .noira-message-bubble {
  border: 1px solid var(--noira-border-soft);
  border-bottom-left-radius: 5px;
  background: #1a1a1a;
}

.noira-message-user .noira-message-bubble {
  border: 1px solid rgba(195, 163, 92, 0.4);
  border-bottom-right-radius: 5px;
  background: #0b0b0b;
  color: #ffffff;
}

/* ========================================
   TYPING INDICATOR
   ======================================== */

.noira-typing {
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  margin: 0 var(--noira-spacing-lg) var(--noira-spacing-md);
  padding: 12px 14px;
  width: fit-content;
  border: 1px solid var(--noira-border-soft);
  border-radius: 14px 14px 14px 5px;
  background: #1a1a1a;
}

.noira-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--noira-accent);
  animation: noira-typing-breathe 1.2s infinite ease-in-out;
}

.noira-typing-dot:nth-child(2) {
  animation-delay: 0.16s;
}

.noira-typing-dot:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes noira-typing-breathe {
  0%,
  80%,
  100% {
    opacity: 0.36;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

/* ========================================
   QUICK ACTIONS
   ======================================== */

.noira-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 var(--noira-spacing-lg) var(--noira-spacing-md);
  background: var(--noira-secondary);
}

.noira-quick-actions[hidden] {
  display: none;
}

.noira-quick-action {
  min-height: 38px;
  padding: 9px 12px;
  border: 1px solid var(--noira-border-soft);
  border-radius: var(--noira-border-radius-pill);
  background: #121212;
  color: var(--noira-text-secondary);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: var(--noira-font-weight-medium);
  line-height: 1;
  outline: none;
  transition: color var(--noira-transition-fast), border-color var(--noira-transition-fast), background var(--noira-transition-fast);
}

.noira-quick-action:hover,
.noira-quick-action:active {
  border-color: rgba(195, 163, 92, 0.64);
  background: rgba(195, 163, 92, 0.12);
  color: #ffffff;
}

.noira-quick-action:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 2px;
}

/* ========================================
   INPUT AREA
   ======================================== */

.noira-input-area {
  display: flex;
  align-items: center;
  gap: var(--noira-spacing-sm);
  padding: var(--noira-spacing-md) var(--noira-spacing-lg);
  border-top: 1px solid var(--noira-border-soft);
  background: rgba(5, 5, 5, 0.94);
}

.noira-input {
  min-width: 0;
  flex: 1;
  padding: 11px 14px;
  border: 1px solid var(--noira-border-soft);
  border-radius: var(--noira-border-radius-pill);
  background: #151515;
  color: var(--noira-text-primary);
  font-family: var(--noira-font-family);
  font-size: var(--noira-font-size-base);
  line-height: 1.25;
  outline: none;
  transition: border-color var(--noira-transition-fast), background var(--noira-transition-fast), box-shadow var(--noira-transition-fast);
}

.noira-input::placeholder {
  color: var(--noira-text-muted);
  opacity: 1;
}

.noira-input:focus {
  border-color: rgba(195, 163, 92, 0.62);
  background: #111111;
  box-shadow: 0 0 0 3px rgba(195, 163, 92, 0.09);
}

.noira-send {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--noira-border-soft);
  border-radius: 50%;
  background: #111111;
  color: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
  flex-shrink: 0;
  transition: color var(--noira-transition-fast), border-color var(--noira-transition-fast), background var(--noira-transition-fast), transform var(--noira-transition-fast), box-shadow var(--noira-transition-fast);
}

.noira-send:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.noira-send.noira-send--active {
  border-color: rgba(195, 163, 92, 0.72);
  background: #17150f;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(195, 163, 92, 0.08);
}

.noira-send.noira-send--active:hover {
  transform: translateY(-1px);
}

.noira-send:active {
  transform: scale(0.96);
}

.noira-send:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 2px;
}

.noira-send svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
}

/* ========================================
   ESCALATION FORM
   ======================================== */

.noira-escalation {
  padding: var(--noira-spacing-lg);
  border-top: 1px solid var(--noira-border-soft);
  background: rgba(5, 5, 5, 0.96);
}

.noira-escalation-content {
  display: flex;
  flex-direction: column;
  gap: var(--noira-spacing-md);
}

.noira-escalation-content h3 {
  margin: 0;
  color: var(--noira-text-primary);
  font-size: 15px;
  font-weight: var(--noira-font-weight-semibold);
  line-height: 1.25;
}

.noira-escalation-content p {
  margin: 0;
  color: var(--noira-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.noira-escalation-input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--noira-border-soft);
  border-radius: var(--noira-border-radius-sm);
  background: #151515;
  color: var(--noira-text-primary);
  font-family: var(--noira-font-family);
  font-size: var(--noira-font-size-base);
  outline: none;
  transition: border-color var(--noira-transition-fast), box-shadow var(--noira-transition-fast);
}

.noira-escalation-input:focus {
  border-color: rgba(195, 163, 92, 0.62);
  box-shadow: 0 0 0 3px rgba(195, 163, 92, 0.09);
}

.noira-escalate-btn {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(195, 163, 92, 0.58);
  border-radius: var(--noira-border-radius-sm);
  background: rgba(195, 163, 92, 0.16);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: var(--noira-font-weight-medium);
  outline: none;
  transition: border-color var(--noira-transition-fast), background var(--noira-transition-fast), transform var(--noira-transition-fast);
}

.noira-escalate-btn:hover {
  border-color: rgba(195, 163, 92, 0.9);
  background: rgba(195, 163, 92, 0.24);
  transform: translateY(-1px);
}

.noira-escalate-btn:focus-visible {
  outline: 2px solid var(--noira-accent);
  outline-offset: 2px;
}

/* ========================================
   STATUS INDICATOR
   ======================================== */

.noira-status {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 999997;
  padding: 8px 12px;
  border: 1px solid var(--noira-border);
  border-radius: 6px;
  background: #121212;
  color: var(--noira-text-primary);
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 10px 30px var(--noira-shadow);
}

.noira-status.error {
  border-color: rgba(156, 91, 91, 0.55);
  color: rgba(255, 218, 218, 0.92);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  :root {
    --noira-window-width: 100vw;
    --noira-window-height: 100dvh;
  }

  .noira-icon {
    right: var(--noira-spacing-md);
    width: 50px;
    height: 50px;
  }

  .noira-window {
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-height: none;
    border: 0;
    border-radius: 0;
    transform: translateY(100%);
  }

  .noira-window.noira-window-open {
    transform: translateY(0);
  }

  .noira-header {
    flex: 0 0 auto;
    padding-top: calc(var(--noira-spacing-lg) + env(safe-area-inset-top, 0px));
  }

  .noira-messages {
    flex: 1 1 auto;
  }

  .noira-input-area {
    flex: 0 0 auto;
    gap: 10px;
    padding-bottom: calc(var(--noira-spacing-lg) + env(safe-area-inset-bottom, 0px));
  }

  .noira-input {
    min-height: 48px;
    font-size: 16px;
  }

  .noira-message-bubble {
    max-width: 90%;
  }
}

@media (max-width: 480px) {
  .noira-header,
  .noira-input-area,
  .noira-escalation {
    padding-left: var(--noira-spacing-md);
    padding-right: var(--noira-spacing-md);
  }

  .noira-messages {
    padding: var(--noira-spacing-md);
  }

  .noira-typing {
    margin-left: var(--noira-spacing-md);
    margin-right: var(--noira-spacing-md);
  }

  .noira-quick-actions {
    padding-left: var(--noira-spacing-md);
    padding-right: var(--noira-spacing-md);
  }

  .noira-close-confirm {
    left: var(--noira-spacing-md);
    right: var(--noira-spacing-md);
  }

  .noira-close-confirm-actions {
    grid-template-columns: 1fr;
  }

  .noira-input {
    font-size: 16px;
  }

  .noira-title {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .noira-window,
  .noira-icon,
  .noira-message,
  .noira-pulse,
  .noira-typing-dot,
  .noira-send,
  .noira-quick-action,
  .noira-confirm-btn {
    animation: none;
    transition: none;
  }
}