@import url("palette.css");

/* === CSS VARIABLES === */
:root {
  --color-text-primary: #212121;
  --color-text-secondary: #757575;
  --color-text-light: #9e9e9e;
  --color-bg-light: #f5f5f5;
  --color-bg-white: #ffffff;
  --color-bg-faint: #fafafa;
  --color-border: #e0e0e0;
  --color-border-light: #eeeeee;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 3px 8px rgba(65, 63, 63, 0.3);
  --shadow-lg: 0 4px 16px rgba(229, 57, 53, 0.15);
  --shadow-top: 0 -2px 12px rgba(0, 0, 0, 0.05);
  --shadow-primary: 0 4px 12px rgba(229, 57, 53, 0.2);

  --spacing-xs: 6px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;

  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 50%;

  --font-xs: 11px;
  --font-sm: 12px;
  --font-base: 13px;
  --font-md: 14px;
  --font-lg: 16px;
  --font-xl: 18px;
  --font-2xl: 22px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;

  background: var(--color-bg-light);
  overscroll-behavior-y: contain;
  touch-action: pan-y;
}


#catan-ia-container {
  position: relative;
  min-height: 100dvh;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: var(--vh, 100dvh);
  overflow: hidden;
  overflow-x: clip;
}

.catan-ia-chatbot {
  background: linear-gradient(
    to bottom,
    var(--color-bg-faint) 0%,
    var(--color-bg-white) 100%
  );
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  overflow-x: clip;
  overscroll-behavior: none;
  position: relative;
}

/* === HEADER === */
.catan-ia-header {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    color-mix(in srgb, var(--primary) 80%, white) 100%
  );
  color: white;
  padding: var(--spacing-xl) var(--spacing-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
}

.catan-ia-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  min-width: 0;
  flex: 1;
}

.catan-ia-logo {
  width: 65px;
  height: 65px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.catan-ia-avatar {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.catan-ia-title {
  font-size: var(--font-2xl);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.3px;
}

.catan-ia-subtitle {
  font-size: var(--font-base);
  opacity: 0.9;
  margin: 2px 0 0;
  font-weight: 400;
}

.catan-ia-clear {
  background: transparent;
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.catan-ia-clear::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

/* === CATEGORIES === */
.catan-ia-categories {
  padding: var(--spacing-md) var(--spacing-lg);
  padding-top: var(--spacing-lg);
  display: flex;
  flex-wrap: nowrap;
  gap: var(--spacing-sm);
  background: white;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 16px,
    black calc(100% - 16px),
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 16px,
    black calc(100% - 16px),
    transparent 100%
  );
}

.catan-ia-categories::-webkit-scrollbar {
  display: none;
}

.catan-ia-category-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 14px;
  background: var(--color-bg-light);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: var(--font-base);
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-base);
  color: #424242;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.catan-ia-category-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  transition:
    width var(--transition-slower),
    height var(--transition-slower);
}

.catan-ia-category-icon {
  font-size: var(--spacing-lg);
}

/* === MESSAGES === */
.catan-ia-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--spacing-2xl);
  background: linear-gradient(
    to bottom,
    var(--color-bg-faint) 0%,
    var(--color-bg-light) 100%
  );
  scrollbar-width: thin;
  scrollbar-color: #bdbdbd transparent;
  /* Fix iOS: scroll momentum nativo */
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

.catan-ia-messages::-webkit-scrollbar {
  width: 6px;
}
.catan-ia-messages::-webkit-scrollbar-track {
  background: transparent;
}
.catan-ia-messages::-webkit-scrollbar-thumb {
  background: #bdbdbd;
  border-radius: 3px;
}

.catan-ia-message {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.catan-ia-message.user {
  flex-direction: row-reverse;
}

.catan-ia-avatar-box {
  width: 45px;
  height: 45px;
  background: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xl);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  padding: 4px;
}

.catan-ia-message-content {
  max-width: 75%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.catan-ia-message.user .catan-ia-message-content {
  align-items: flex-end;
}

.catan-ia-message-bubble {
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  font-size: var(--font-lg);
  line-height: 1.6;
  box-shadow: var(--shadow-md);
  word-break: break-word;
  overflow-wrap: break-word;
}

.catan-ia-message.bot .catan-ia-message-bubble {
  background: white;
  color: var(--color-text-primary);
  border-bottom-left-radius: var(--spacing-xs);
}

.catan-ia-message.user .catan-ia-message-bubble {
  background: var(--primary);
  color: white;
  border-bottom-right-radius: var(--spacing-xs);
}

.catan-ia-message-bubble p {
  margin: 0 0 var(--spacing-md) 0;
}
.catan-ia-message-bubble p:last-child {
  margin-bottom: 0;
}
.catan-ia-message-bubble ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-xl);
}
.catan-ia-message-bubble li {
  margin: var(--spacing-xs) 0;
}

.catan-ia-message-bubble strong {
  color: var(--primary);
  font-weight: 600;
}

.catan-ia-message.user .catan-ia-message-bubble strong {
  color: white;
  font-weight: 700;
}

.catan-ia-message-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-sm);
  color: var(--color-text-light);
  padding: 0 var(--spacing-sm);
  font-weight: 500;
  align-items: center;
  width: 100%;
}

.catan-ia-time {
  font-weight: lighter;
}
.catan-ia-source {
  font-weight: 500;
}

.catan-ia-message.bot .catan-ia-message-bubble a:not(.catan-ia-app-link-btn) {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--primary);
  transition: all var(--transition-fast);
  padding-bottom: 2px;
}

/* === TYPING INDICATOR === */
.catan-ia-typing-indicator {
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: white;
  border-radius: var(--radius-lg);
  border-bottom-left-radius: var(--spacing-xs);
  width: fit-content;
  box-shadow: var(--shadow-sm);
}

.catan-ia-typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--primary);
  animation: typing 1.4s ease-in-out infinite;
}

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

@keyframes typing {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0) scale(1);
  }
  30% {
    opacity: 1;
    transform: translateY(-10px) scale(1.2);
  }
}

/* === SUGGESTIONS === */
.catan-ia-suggestions {
  padding: var(--spacing-lg) var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  background: white;
  border-top: 1px solid var(--color-border-light);
  overflow-y: hidden;
  box-shadow: var(--shadow-top);
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 16px,
    black calc(100% - 16px),
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 16px,
    black calc(100% - 16px),
    transparent 100%
  );
}

.catan-ia-suggestions:empty {
  display: none;
}

.catan-ia-suggestions-label {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.catan-ia-suggestions-list {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--spacing-sm);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px;
}

.catan-ia-suggestions-list::-webkit-scrollbar {
  display: none;
}

.catan-ia-suggestion-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-base);
  color: #424242;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-weight: 500;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.catan-ia-suggestion-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%);
  transition:
    width var(--transition-slower),
    height var(--transition-slower);
}

/* === INPUT === */
.catan-ia-input-wrapper {
  padding: var(--spacing-xl) var(--spacing-2xl);
  background: white;
  border-top: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-top);
  flex-shrink: 0;
  overflow-x: clip;
  padding-bottom: max(var(--spacing-xl), env(safe-area-inset-bottom));
}

.catan-ia-input-container {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.catan-ia-input {
  flex: 1;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md) 18px;
  font-size: var(--font-lg);
  font-family: inherit;
  resize: none;
  outline: none;
  transition: all var(--transition-slow);
  max-height: 120px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg-faint);
}

.catan-ia-input:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.08);
}

.catan-ia-input:disabled {
  background: var(--color-bg-light);
  cursor: not-allowed;
  opacity: 0.6;
}

.catan-ia-send {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--primary);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-primary);
  position: relative;
  overflow: hidden;
}

.catan-ia-send::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition:
    width var(--transition-slower),
    height var(--transition-slower);
}

.catan-ia-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.catan-ia-char-count {
  font-size: var(--font-xs);
  color: var(--color-text-light);
  text-align: right;
  margin-top: var(--spacing-sm);
  font-weight: 500;
}

/* === APP LINK CARD === */
.catan-ia-app-link-card {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #f8f9fa 0%, var(--color-bg-white) 100%);
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
  overflow: hidden;
}

.catan-ia-app-link-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.catan-ia-app-link-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--spacing-2xl);
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}

.catan-ia-app-link-text {
  flex: 1;
  min-width: 0;
}

.catan-ia-app-link-title {
  font-weight: 600;
  font-size: var(--font-lg);
  color: var(--color-text-primary);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.catan-ia-app-link-subtitle {
  font-size: var(--font-base);
  color: var(--color-text-secondary);
}

.catan-ia-app-link-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 10px var(--spacing-xl);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-md);
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

/* ============================================
   HOVER - ONLY MOUSE
   ============================================ */
@media (hover: hover) {
  .catan-ia-logo:hover {
    transform: scale(1.05);
  }

  .catan-ia-clear:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
  }

  .catan-ia-clear:hover::before {
    width: 100%;
    height: 100%;
  }

  .catan-ia-category-btn:hover {
    background: var(--confirm);
    color: var(--secondary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
  }

  .catan-ia-category-btn:hover::before {
    width: 200%;
    height: 200%;
  }

  .catan-ia-suggestion-btn:hover {
    background: var(--confirm);
    border-color: var(--confirm);
    color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .catan-ia-suggestion-btn:hover::before {
    width: 200%;
    height: 200%;
  }

  .catan-ia-app-link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--confirm);
  }

  .catan-ia-app-link-btn:hover {
    background: var(--confirm);
    transform: scale(1.05);
    box-shadow: var(--shadow-primary);
  }

  .catan-ia-message.bot
    .catan-ia-message-bubble
    a:not(.catan-ia-app-link-btn):hover {
    color: var(--confirm);
    border-bottom-color: var(--confirm);
    background: rgba(229, 57, 53, 0.05);
    padding: 2px 4px;
    margin: -2px -4px;
    border-radius: 4px;
  }

  .catan-ia-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: var(--shadow-primary);
  }

  .catan-ia-send:hover::before {
    width: 200%;
    height: 200%;
  }
}

/* ============================================
   TOUCH FEEDBACK - ONLY MOBILE
   ============================================ */
@media (hover: none) {
  .catan-ia-clear::before,
  .catan-ia-suggestion-btn::before,
  .catan-ia-send::before,
  .catan-ia-category-btn::before {
    display: none;
  }

  .catan-ia-clear:active {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0.93);
    transition: transform 0.1s ease;
  }

  .catan-ia-category-btn:active {
    transform: scale(0.94);
    background: var(--confirm);
    color: var(--secondary);
    transition: transform 0.1s ease;
  }

  .catan-ia-suggestion-btn:active {
    background: var(--confirm);
    color: var(--secondary);
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }

  .catan-ia-app-link-card:active {
    transform: scale(0.99);
    box-shadow: var(--shadow-sm);
    transition: transform 0.1s ease;
  }

  .catan-ia-app-link-btn:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }

  .catan-ia-send:active:not(:disabled) {
    transform: scale(0.91);
    transition: transform 0.1s ease;
  }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .catan-ia-header {
    padding: var(--spacing-lg) var(--spacing-xl);
  }
  .catan-ia-logo {
    width: 44px;
    height: 44px;
  }
  .catan-ia-title {
    font-size: 19px;
  }
  .catan-ia-subtitle {
    font-size: var(--font-sm);
  }
  .catan-ia-messages {
    padding: var(--spacing-lg);
  }
  .catan-ia-message-content {
    max-width: 85%;
  }
  .catan-ia-categories {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  .catan-ia-input-wrapper {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .catan-ia-app-link-card {
    flex-direction: column;
    align-items: stretch;
  }

  .catan-ia-app-link-btn {
    width: 100%;
    justify-content: center;
  }
}