/* KyDz-UnitVerse - Serene Intelligence Theme */

:root {
  /* Backgrounds - Light, airy, and serene */
  --kv-bg: #F8F9FC;
  --kv-bg-pattern: radial-gradient(circle at 15% 85%, rgba(126, 156, 255, 0.08) 0%, transparent 40%),
                   radial-gradient(circle at 85% 20%, rgba(52, 211, 153, 0.06) 0%, transparent 40%);

  /* Surfaces - Clean with soft depth */
  --kv-surface: #FFFFFF;
  --kv-surface-2: #F8FAFC;
  --kv-surface-soft: #FDFDFF;
  --kv-assistant-bg: #F5F3FF; /* Soft Lavender for Zuno AI Panel */

  /* Text hierarchy - Clear and readable */
  --kv-text: #1A202C;
  --kv-text-dim: #4A5568;
  --kv-text-subtle: #718096;
  --kv-text-muted: #A0AEC0;

  /* Brand colors */
  --kv-primary: #6366F1;        /* Indigo - Trust & professionalism */
  --kv-primary-light: #818CF8;  /* Lighter for hover */
  --kv-primary-soft: #E0E7FF;   /* Softest for backgrounds */
  --kv-primary-text: #FFFFFF;

  --kv-secondary: #EC4899;      /* Pink - Energetic & friendly CTA */
  --kv-secondary-light: #F472B6;
  --kv-secondary-soft: #FCE7F3;
  --kv-secondary-text: #FFFFFF;

  --kv-accent: #8B5CF6;         /* Violet - For Zuno and accent actions */
  --kv-accent-light: #A78BFA;
  --kv-accent-soft: #EDE9FE;
  --kv-accent-text: #FFFFFF;

  --kv-warm: #EF4444;           /* Warm red for alerts */
  --kv-warm-soft: #FEE2E2;
  --kv-info: #3B82F6;
  --kv-info-soft: #DBEAFE;

  /* Status colors */
  --kv-success: #10B981;
  --kv-danger: var(--kv-warm);
  --kv-warning: #F59E0B;

  /* Spacing & typography */
  --kv-radius-xl: 20px;
  --kv-radius-lg: 16px;
  --kv-radius-md: 12px;
  --kv-radius-sm: 8px;
  --kv-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --kv-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --kv-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --kv-shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
  --kv-font-title: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --kv-font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --kv-space-1: 4px;
  --kv-space-2: 8px;
  --kv-space-3: 16px;
  --kv-space-4: 24px;
  --kv-space-5: 32px;
  --kv-space-6: 48px;

  /* Borders - Subtle and clean */
  --kv-border-soft: #E2E8F0;
  --kv-border-strong: #CBD5E1;
  --kv-border-accent: var(--kv-primary-soft);
  --kv-overlay: rgba(255, 255, 255, 0.7);
}

body[data-theme="dark"] {
  /* Dark backgrounds with depth */
  --kv-bg: #0F172A;
  --kv-bg-pattern: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                   radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.12) 0%, transparent 50%);

  /* Dark surfaces */
  --kv-surface: #1E293B;
  --kv-surface-2: #334155;
  --kv-surface-soft: #1A2435;

  /* Dark text hierarchy */
  --kv-text: #F1F5F9;
  --kv-text-dim: #CBD5E1;
  --kv-text-subtle: #94A3B8;
  --kv-text-muted: #64748B;

  /* Dark brand colors - brighter for visibility */
  --kv-primary: #818CF8;
  --kv-primary-light: #A5B4FC;
  --kv-primary-soft: #312E81;
  --kv-primary-text: #1E293B;

  --kv-secondary: #F472B6;
  --kv-secondary-light: #FB7185;
  --kv-secondary-soft: #831843;
  --kv-secondary-text: #FFFFFF;

  --kv-accent: #A78BFA;
  --kv-accent-light: #C4B5FD;
  --kv-accent-soft: #5B21B6;
  --kv-accent-text: #FFFFFF;

  --kv-info: #60A5FA;
  --kv-info-soft: #1E40AF;

  /* Dark shadows and borders */
  --kv-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --kv-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
  --kv-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.4);
  --kv-shadow-glow: 0 0 20px rgba(129, 140, 248, 0.25);
  --kv-border-soft: #334155;
  --kv-border-strong: #475569;
  --kv-border-accent: #4338CA;
  --kv-overlay: rgba(15, 23, 42, 0.7);
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--kv-bg);
  background-attachment: fixed;
  color: var(--kv-text);
  font-family: var(--kv-font-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--kv-bg-pattern);
  pointer-events: none;
  z-index: -1;
}

.kv-app {
  background: transparent;
  color: var(--kv-text);
  min-height: 100vh;
  position: relative;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  color: inherit;
}

button {
  cursor: pointer;
}

::placeholder {
  color: var(--kv-text-subtle);
  opacity: 1;
}

:focus-visible {
  outline: 3px solid var(--kv-primary);
  outline-offset: 2px;
  border-radius: var(--kv-radius-sm);
}

.hidden {
  display: none !important;
}

.kv-scrim[aria-hidden="true"],
.kv-modal[aria-hidden="true"],
.kv-loader[hidden],
.kv-toast[hidden] {
  pointer-events: none !important;
  opacity: 0 !important;
}

.kv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: var(--kv-space-5);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: var(--kv-space-5) var(--kv-space-4);
  align-items: flex-start;
  min-height: 100vh;
}

@supports (height: 100svh) {
  .kv-layout {
    min-height: 100svh;
  }
}

@supports (height: 100dvh) {
  .kv-layout {
    min-height: 100dvh;
  }
}

@media (max-width: 1280px) {
  .kv-layout {
    gap: var(--kv-space-4);
    padding: var(--kv-space-4) var(--kv-space-3);
  }
}

@media (max-width: 1024px) {
  .kv-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .kv-layout {
    gap: var(--kv-space-3);
    padding: var(--kv-space-4) var(--kv-space-2);
  }

  .kv-card {
    padding: var(--kv-space-4);
  }

  .form-container {
    gap: var(--kv-space-4);
  }

  .form-row,
  .standards-filters {
    grid-template-columns: 1fr;
  }

  .standards-search {
    flex-direction: column;
    align-items: stretch;
    gap: var(--kv-space-2);
  }

  .standards-search .kv-btn {
    width: 100%;
  }

  .difficulty-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .action-buttons .kv-btn {
    width: 100%;
  }

  .chat-header {
    padding: 0;
  }

  .chat-header h2 {
    font-size: 1.35rem;
  }

  .chat-container {
    border-radius: var(--kv-radius-md);
  }
}

@media (max-width: 600px) {
  body {
    overflow-x: hidden;
  }

  .kv-layout {
    padding: var(--kv-space-3) var(--kv-space-1);
  }

  .kv-card {
    padding: var(--kv-space-3);
    border-radius: var(--kv-radius-lg);
  }

  .planner-header {
    text-align: center;
  }

  .planner-header h1 {
    font-size: 1.5rem;
  }

  .planner-header p {
    font-size: 0.85rem;
  }

  .difficulty-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .difficulty-btn {
    font-size: 0.85rem;
  }

  .inclusive-options {
    gap: var(--kv-space-1);
  }

  .chat-input-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--kv-space-2);
  }

  .chat-input-wrapper {
    order: 0;
    width: 100%;
  }

  .chat-input-container .kv-textarea {
    min-height: 80px;
  }

  .file-attachment-btn {
    order: 1;
    width: 100%;
    height: 44px;
  }

  .chat-input-container .btn-send {
    order: 2;
    width: 100%;
    height: 44px;
  }

  .message {
    max-width: 100%;
  }

  .toast-container {
    top: auto;
    bottom: 16px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(360px, calc(100% - 32px));
  }
}

@media (max-width: 420px) {
  .kv-card {
    padding: var(--kv-space-2);
  }

  .form-container {
    gap: var(--kv-space-3);
  }

  .difficulty-buttons {
    grid-template-columns: 1fr;
  }

  .action-buttons .kv-btn {
    font-size: 0.9rem;
    padding: 10px 16px;
  }
}

.kv-card {
  background: var(--kv-surface);
  border-radius: var(--kv-radius-xl);
  box-shadow: var(--kv-shadow-md);
  padding: var(--kv-space-5);
  border: 1px solid var(--kv-border-soft);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kv-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--kv-shadow-lg);
}

.planner-panel {
  background: var(--kv-surface-soft);
  gap: var(--kv-space-5);
}

.kv-assistant {
  background: var(--kv-accent-soft);
  border-radius: var(--kv-radius-xl);
  box-shadow: var(--kv-shadow-md);
  border: 1px solid var(--kv-border-soft);
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
  padding: var(--kv-space-3);
  /* ALTURA MÁXIMA para leer respuestas largas de Zuno */
  height: calc(100vh - 2rem) !important;
  max-height: calc(100vh - 2rem) !important;
  min-height: 750px !important;
}

@media (min-width: 768px) {
  .kv-assistant {
    height: calc(100vh - 2rem);
    max-height: calc(100vh - 2rem);
    min-height: 750px;
  }
}

@media (max-width: 1024px) {
  .kv-assistant {
    height: auto;
    max-height: 80vh; /* MÁS GRANDE para tablet */
    min-height: 600px; /* Más grande */
    order: 2;
    margin-top: var(--kv-space-3);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: 1;
  }

  .kv-card.planner-panel {
    order: 1;
  }

  .kv-assistant .chat-container {
    height: auto;
    max-height: inherit;
  }

  .kv-assistant .chat-messages {
    max-height: calc(100% - 100px);
    min-height: 450px; /* MÁS GRANDE para tablet */
  }

  .kv-assistant .chat-input-container {
    padding-bottom: var(--kv-space-2);
  }
}

@supports (max-height: 60svh) {
  @media (max-width: 1024px) {
    .kv-assistant {
      max-height: min(60svh, 520px);
    }
  }
}

@supports (max-height: 60dvh) {
  @media (max-width: 1024px) {
    .kv-assistant {
      max-height: min(60dvh, 520px);
    }
  }
}

@media (min-width: 1025px) {
  .kv-assistant {
    height: calc(100vh - 2rem);
    max-height: calc(100vh - 2rem);
    min-height: 800px; /* MUCHO MÁS GRANDE para desktop */
  }
}

.kv-card h1,
.kv-card h2,
.kv-card h3,
.kv-card h4 {
  font-family: var(--kv-font-title);
  font-weight: 600;
  color: var(--kv-text);
  margin: 0;
}

.kv-card h1 { font-size: 1.875rem; }
.kv-card h2 { font-size: 1.5rem; }
.kv-card h3 { font-size: 1.25rem; }
.kv-card h4 { font-size: 1.125rem; }

.kv-card p {
  margin: 0;
  color: var(--kv-text-dim);
}

.planner-header {
  padding-bottom: var(--kv-space-4);
  border-bottom: 1px solid var(--kv-border-soft);
}

.planner-header h1 {
  font-weight: 700;
}

.planner-header p {
  color: var(--kv-text-dim);
  font-size: 0.95rem;
}

.form-container {
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--kv-space-3);
}

.kv-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--kv-text-dim);
}

.kv-input,
.kv-select,
.kv-textarea {
  width: 100%;
  background: var(--kv-surface);
  border: 1.5px solid var(--kv-border-strong);
  border-radius: var(--kv-radius-md);
  padding: 14px 16px;
  color: var(--kv-text);
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kv-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.kv-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.kv-input:focus,
.kv-textarea:focus,
.kv-select:focus {
  border-color: var(--kv-primary);
  box-shadow: 0 0 0 3px var(--kv-primary-soft), 0 2px 8px rgba(99, 102, 241, 0.15);
  outline: none;
  transform: translateY(-1px);
}

.difficulty-selector {
  border-radius: var(--kv-radius-lg);
  background: var(--kv-surface);
  padding: var(--kv-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
  border: 1px solid var(--kv-border-soft);
}

.difficulty-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--kv-text);
  margin-bottom: var(--kv-space-1);
}

.difficulty-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--kv-space-2);
}

.difficulty-btn {
  font-weight: 600;
  font-size: 0.9rem;
  padding: var(--kv-space-2) var(--kv-space-1);
  border-radius: var(--kv-radius-md);
  border: 1px solid var(--kv-border-soft);
  background-color: var(--kv-surface);
  color: var(--kv-text-dim);
  transition: all 0.2s ease;
  text-align: center;
}

.difficulty-btn:hover {
  transform: translateY(-1px);
  background-color: var(--kv-surface-2);
  border-color: var(--kv-border-strong);
  color: var(--kv-text);
}

.difficulty-btn.selected {
  color: var(--kv-primary-text);
  background-color: var(--kv-primary);
  border-color: var(--kv-primary);
  box-shadow: var(--kv-shadow-sm);
}

.difficulty-description {
  font-size: 0.8rem;
  color: var(--kv-text-subtle);
  margin-top: var(--kv-space-2);
}

.kv-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--kv-space-2);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--kv-border-strong);
  background: var(--kv-surface);
  color: var(--kv-text-dim);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kv-chip:hover {
  transform: translateY(-1px);
  border-color: var(--kv-text-dim);
  color: var(--kv-text);
}

.kv-chip.selected {
  background-color: var(--kv-primary-soft);
  border-color: var(--kv-primary);
  color: var(--kv-primary);
  font-weight: 600;
}

.accommodation-btn {
  cursor: pointer;
  transition: all 0.2s ease;
}

.accommodation-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--kv-shadow-sm);
}

.accommodation-btn.selected {
  background: var(--kv-primary);
  color: white;
  border-color: var(--kv-primary);
}

.inclusive-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
}

.profile-option {
  position: relative;
  background: var(--kv-surface);
  border-radius: var(--kv-radius-md);
  border: 1px solid var(--kv-border-soft);
  padding: var(--kv-space-2) var(--kv-space-3);
  display: flex;
  align-items: center;
  gap: var(--kv-space-3);
  cursor: pointer;
  transition: all 0.2s ease;
}

.profile-option:hover {
  border-color: var(--kv-primary);
  background: var(--kv-surface-2);
}

.profile-option input[type="checkbox"] {
  height: 1.25em;
  width: 1.25em;
  accent-color: var(--kv-primary);
}

.profile-name {
  font-weight: 600;
  color: var(--kv-text);
}

.profile-hint {
  font-size: 0.8rem;
  color: var(--kv-text-subtle);
}

.profile-option.profile-option-selected {
  border-color: var(--kv-primary);
  background: var(--kv-primary-soft);
}

.standards-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--kv-space-3);
}

.standards-search {
  display: flex;
  gap: var(--kv-space-2);
}

.standards-search input {
  flex-grow: 1;
}

.standards-results {
  margin-top: var(--kv-space-2);
  background: var(--kv-surface);
  border: 1px solid var(--kv-border-soft);
  border-radius: var(--kv-radius-lg);
  box-shadow: var(--kv-shadow-sm);
  padding: var(--kv-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
  min-height: 140px;
}

.standards-results__body {
  max-height: 340px;
  overflow-y: auto;
  padding-right: 4px;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
}

.standards-results__empty {
  color: var(--kv-text-subtle);
  font-size: 0.9rem;
  display: block;
}

#search-results-container:not([style*="display: none"]):not([style*="display:none"]) + .standards-results__empty {
  display: none;
}

.search-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
}

.search-results-list > * {
  padding: var(--kv-space-2);
  border-radius: var(--kv-radius-md);
  border: 1px solid transparent;
  background: var(--kv-surface);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.search-results-list > *:hover {
  background: var(--kv-surface-2);
  border-color: var(--kv-border-strong);
  box-shadow: var(--kv-shadow-sm);
}

.search-results-list > *:focus-visible {
  outline: 3px solid var(--kv-primary);
  outline-offset: 2px;
}

.search-results-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--kv-space-2);
  border: none;
  border-bottom: 1px solid var(--kv-border-soft);
  background: transparent;
  box-shadow: none;
  cursor: default;
}

.search-results-header:hover {
  background: transparent;
  border-color: var(--kv-border-soft);
  box-shadow: none;
}

.results-count {
  font-weight: 600;
  color: var(--kv-text);
}

.results-source {
  color: var(--kv-text-subtle);
  font-size: 0.9rem;
}

.standard-code {
  font-weight: 600;
  color: var(--kv-primary);
}

.standard-text {
  color: var(--kv-text);
  margin-top: var(--kv-space-1);
  /* Ensure full text is displayed - no truncation */
  word-wrap: break-word;
  white-space: normal;
  overflow: visible;
  max-height: none;
}

.standard-meta {
  color: var(--kv-text-subtle);
  font-size: 0.85rem;
  margin-top: var(--kv-space-1);
}

.standards-results__body::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.standards-results__body::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--kv-border-strong);
  border-radius: var(--kv-radius-sm);
}

.standards-results__body::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.selected-items {
  min-height: 56px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-2);
  padding: var(--kv-space-2);
  background: var(--kv-surface);
  border: 1px dashed var(--kv-border-soft);
  border-radius: var(--kv-radius-md);
}

.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kv-space-3);
  border-top: 1px solid var(--kv-border-soft);
  padding-top: var(--kv-space-4);
  margin-top: var(--kv-space-4);
  align-items: center;
}

.kv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kv-space-2);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 20px;
  border-radius: var(--kv-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kv-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--kv-shadow-sm);
}

.kv-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.kv-btn--primary {
  background: var(--kv-secondary);
  color: var(--kv-secondary-text);
  box-shadow: var(--kv-shadow-md);
}
.kv-btn--primary:hover {
  background: var(--kv-secondary-light);
  box-shadow: var(--kv-shadow-lg);
}

.kv-btn--accent {
  background: var(--kv-accent);
  color: var(--kv-accent-text);
}
.kv-btn--accent:hover {
  background: var(--kv-accent-light);
}

.kv-btn--secondary {
  background: var(--kv-surface);
  color: var(--kv-text-dim);
  border-color: var(--kv-border-strong);
}
.kv-btn--secondary:hover {
  border-color: var(--kv-text-dim);
  color: var(--kv-text);
  background: var(--kv-surface-2);
}

.kv-btn--ghost {
  background: transparent;
  color: var(--kv-text-dim);
  border-color: transparent;
}
.kv-btn--ghost:hover {
  background: var(--kv-surface-2);
  color: var(--kv-text);
}

/* ===== CHAT STYLES - Zuno AI Assistant ===== */

.chat-header {
  text-align: center;
  padding: 0 var(--kv-space-3);
}
.chat-header h2 {
  color: var(--kv-accent);
}

.chat-container {
  background: var(--kv-surface);
  border-radius: var(--kv-radius-lg);
  border: 1px solid var(--kv-border-soft);
  display: flex;
  flex-direction: column;
  /* Toma TODO el espacio disponible */
  flex: 1 1 auto;
  /* ALTURA MÍNIMA GRANDE para que Zuno sea LEGIBLE */
  min-height: 650px !important;
  /* Altura fija para el contenedor */
  height: 100%;
  max-height: 100%;
}

.chat-messages {
  /* Scroll interno garantizado */
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--kv-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-4);
  scroll-behavior: smooth;
  /* ALTURA MÍNIMA ENORME para que Zuno sea 100% LEGIBLE */
  min-height: 600px !important;
  height: 100%;
  /* Scrollbars personalizados */
  scrollbar-width: thin;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
}
.message {
  display: flex;
  max-width: 90%;
}

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

.message.ai-message {
  align-self: flex-start;
  justify-content: flex-start;
}

.kv-bubble {
  padding: var(--kv-space-3) var(--kv-space-4);
  border-radius: var(--kv-radius-lg);
  line-height: 1.6;
  word-wrap: break-word;
}

.message.user-message .kv-bubble {
  background: var(--kv-accent);
  color: var(--kv-accent-text);
  border-bottom-right-radius: var(--kv-radius-sm);
}

.message.ai-message .kv-bubble {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border-bottom-left-radius: var(--kv-radius-sm);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Botones CTA de Zuno (Apply to Form, Ask Follow-up) */
.cta-bar {
  display: flex;
  gap: var(--kv-space-2);
  margin-top: var(--kv-space-3);
  padding-top: var(--kv-space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.apply-btn,
.follow-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid #ffffff;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--kv-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.apply-btn:hover,
.follow-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.apply-btn:active,
.follow-btn:active {
  transform: translateY(0);
}

.apply-btn {
  background: rgba(255, 255, 255, 0.95);
  color: #667eea;
  border-color: rgba(255, 255, 255, 0.3);
}

.apply-btn:hover {
  background: #ffffff;
  color: #764ba2;
}

/* Download actions dentro de mensajes AI */
.download-actions {
  display: flex;
  gap: var(--kv-space-2);
  margin-top: var(--kv-space-3);
  padding-top: var(--kv-space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.download-actions button {
  padding: 0.6rem 1rem;
  border: 2px solid #ffffff;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--kv-radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.download-actions button:hover {
  background: rgba(255, 255, 255, 0.95);
  color: #667eea;
}
.message.ai-message .kv-bubble ul {
  padding-left: var(--kv-space-4);
}

.chat-input-container {
  display: flex;
  align-items: flex-end;
  gap: var(--kv-space-2);
  padding: var(--kv-space-3);
  padding-bottom: var(--kv-space-2);
  background: var(--kv-surface-2);
  border-top: 1px solid var(--kv-border-soft);
  position: relative;
  z-index: 10;
  /* Asegurar que esté sobre el disclaimer */
}

.chat-input-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
}

.chat-input-container .kv-textarea {
  background: var(--kv-surface);
  border-radius: var(--kv-radius-md);
  max-height: 150px;
  resize: none;
}

.file-attachment-btn {
  background: var(--kv-surface);
  border: 1px solid var(--kv-border-strong);
  border-radius: var(--kv-radius-md);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--kv-text-dim);
  transition: all 0.2s ease;
}

.file-attachment-btn:hover {
  background: var(--kv-surface-2);
  color: var(--kv-text);
  border-color: var(--kv-text-dim);
}

.chat-input-container .btn-send {
  height: 48px;
  background: var(--kv-accent);
  color: var(--kv-accent-text);
}
.chat-input-container .btn-send:hover {
  background: var(--kv-accent-light);
}

.loading-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kv-accent);
  animation: loading 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loading {
  0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.conversation-memory {
  text-align: center;
  padding: var(--kv-space-2) 0;
  color: var(--kv-text-muted);
  font-size: 0.85rem;
  margin-top: auto;
}

.zuno-disclaimer {
  text-align: center;
  padding: var(--kv-space-2);
  color: var(--kv-text-subtle);
  font-size: 0.8rem;
  background: var(--kv-info-soft);
  border: 1px solid var(--kv-info);
  border-radius: var(--kv-radius-md);
  margin-top: var(--kv-space-3);
  position: relative;
  z-index: 1;
  /* Empujar hacia abajo para no tapar botones */
  clear: both;
}

/* ===== TOAST NOTIFICATIONS ===== */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-2);
}

.toast {
  background: var(--kv-surface);
  color: var(--kv-text);
  padding: var(--kv-space-3) var(--kv-space-4);
  border-radius: var(--kv-radius-md);
  box-shadow: var(--kv-shadow-lg);
  border-left: 4px solid var(--kv-primary);
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

.toast-success {
  border-left-color: var(--kv-success);
}

.toast-error {
  border-left-color: var(--kv-danger);
}

.toast-warning {
  border-left-color: var(--kv-warning);
}

.toast-info {
  border-left-color: var(--kv-primary);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ===== MODALS & DRAWERS ===== */

.export-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--kv-space-4);
  background: rgba(15, 23, 42, 0.55);
  z-index: 2000;
}

.export-modal[hidden] {
  display: none !important;
  pointer-events: none;
  opacity: 0;
}

.export-modal__panel {
  width: min(640px, 100%);
  background: #111827;
  color: #e5e7eb;
  border-radius: var(--kv-radius-lg);
  border: 1px solid #374151;
  padding: var(--kv-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--kv-space-3);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.55);
}

.export-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--kv-space-2);
}

.export-modal__intro {
  margin: 0;
  color: #cbd5f5;
}

.export-modal__group {
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: var(--kv-radius-md);
  padding: var(--kv-space-2) var(--kv-space-3);
  display: grid;
  gap: var(--kv-space-2);
}

.export-modal__group legend {
  font-weight: 600;
  color: #f8fafc;
  padding: 0 var(--kv-space-1);
}

.export-modal__preview {
  min-height: 140px;
  border-radius: var(--kv-radius-md);
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: #1f2937;
  padding: var(--kv-space-3);
  line-height: 1.6;
  overflow-y: auto;
}

.export-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--kv-space-2);
  flex-wrap: wrap;
}

/* 🔧 Debug: elimina bloqueos de toque en móvil */
.kv-scrim,
.kv-modal,
.kv-loader,
.kv-toast {
  display: none !important;
}

[hidden],
[aria-hidden="true"] {
  pointer-events: none !important;
  opacity: 0 !important;
}

html,
body,
.kv-layout {
  overflow: auto !important;
  touch-action: auto !important;
}

#kv-debug {
  display: none !important;
  pointer-events: none !important;
}