:root {
  --primary-purple: #432874;
  --dark-purple: #36205d;
  --light-purple: #5c3997;
  --bg-gray: #f9f9f9;
  --col-bg: #f2f2f2;
  --card-bg: #ffffff;
  --text-dark: #4f4f4f;
  --text-light: #ffffff;
  --text-muted: #888888;
  --hp-red: #f23030;
  --xp-yellow: #ffc107;
  --task-orange: #ff9800;
  --task-green: #24cc8f;
  --border-color: #e3e3e3;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

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

html {
  overflow-x: hidden;
}

body {
  background-color: var(--bg-gray);
  color: var(--text-dark);
  font-family: 'Roboto', sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

/* Tipografía de Gamificación */
.game-title, .logo-text, .level-role {
  font-family: 'Roboto', sans-serif;
  font-weight: 700;
}

/* Formularios y Botones Base */
.btn {
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.primary-btn {
  background-color: var(--primary-purple);
  color: var(--text-light);
}
.primary-btn:hover { background-color: var(--light-purple); }

.secondary-btn {
  background-color: #e0e0e0;
  color: var(--text-dark);
}
.secondary-btn:hover { background-color: #d0d0d0; }

.btn-full { width: 100%; margin-top: 1rem; }

.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}
.form-row {
  display: flex;
  gap: 1rem;
}
.form-row .form-group { flex: 1; }

label {
  font-size: 0.85rem;
  color: #555;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

input, select, textarea {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.6rem;
  font-family: 'Roboto', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--light-purple);
}

/* Login View */
#login-view {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark-purple), var(--primary-purple));
}

.login-card {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  color: var(--primary-purple);
  margin-bottom: 0.5rem;
}

.login-header p { color: var(--text-muted); }

.error-msg {
  color: var(--hp-red);
  font-size: 0.85rem;
  text-align: center;
  margin-bottom: 1rem;
}

.demo-credentials {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
}

/* Navbar */
.top-nav {
  background-color: var(--dark-purple);
  color: var(--text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-links a {
  color: #ccc;
  text-decoration: none;
  margin: 0;
  font-weight: 500;
  font-size: 0.9rem;
}
.nav-links a.active, .nav-links a:hover {
  color: var(--text-light);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}
.logout-btn {
  background: transparent;
  color: #ccc;
  padding: 0.4rem;
}
.logout-btn:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* User Header */
.user-header {
  background-color: var(--primary-purple);
  color: var(--text-light);
  padding: 2rem;
}

.user-profile-container {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.avatar-box {
  width: 120px;
  height: 120px;
  background-color: #a5c2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 4px solid rgba(0,0,0,0.1);
  overflow: hidden;
}

.pixel-avatar {
  width: 100%;
  height: 100%;
  background-image: none;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  image-rendering: pixelated;
}

.user-info h2 {
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
}

.level-role {
  font-size: 0.9rem;
  color: #d1c4e9;
  margin-bottom: 1rem;
}

.stats-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 300px;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.stat-bar-bg {
  flex-grow: 1;
  height: 14px;
  background-color: rgba(0,0,0,0.3);
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
}
.hp-fill { background-color: var(--hp-red); }
.xp-fill { background-color: var(--xp-yellow); }

.stat-value {
  font-size: 0.8rem;
  width: 50px;
  text-align: right;
}

/* Main Board */
.board-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

.board-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  background-color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.search-box input {
  width: 300px;
  max-width: 100%;
  border: 1px solid var(--border-color);
  background-color: #f9f9f9;
}

/* Columnas */
.columns-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.task-column {
  display: flex;
  flex-direction: column;
}

.column-header {
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.column-header h3 {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 700;
}

.column-content {
  background-color: var(--col-bg);
  border-radius: 4px;
  padding: 0.8rem;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* Removido mockup-column opacity para que no se vea desactivado */

.quick-add {
  background-color: #e0e0e0;
  padding: 0.8rem;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #777;
  text-align: left;
  cursor: pointer;
}
.quick-add:hover {
  background-color: #d5d5d5;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  margin-top: 2rem;
  padding: 1rem;
}
.empty-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.5rem;
  color: #ccc;
}

/* Tareas y Drag & Drop Kanban */
.dropzone {
  min-height: 200px;
  transition: background-color 0.2s, border 0.2s;
  border: 2px dashed transparent;
}
.dropzone.dragover {
  background-color: #e0e0e0;
  border-color: var(--primary-purple);
  border-radius: 4px;
}

.task-card {
  background-color: var(--card-bg);
  border-radius: 4px;
  padding: 0.8rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  border-left: 6px solid var(--text-muted);
  cursor: grab;
  transition: opacity 0.2s, transform 0.2s;
}

.task-info {
  position: relative;
  width: 100%;
}

.task-delete {
  position: absolute;
  top: -0.3rem;
  right: -0.3rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}
.task-delete:hover {
  color: var(--hp-red);
  border-color: var(--hp-red);
}

.task-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.task-card:active {
  cursor: grabbing;
}

.task-card.dragging {
  opacity: 0.5;
  transform: scale(0.98);
}

/* Colores según estado */
.status-todo {
  border-left-color: var(--text-muted);
}
.status-in_progress {
  border-left-color: var(--task-orange);
}
.status-completed {
  border-left-color: var(--task-green);
  opacity: 0.7;
}
.status-completed .task-title {
  text-decoration: line-through;
  color: var(--text-muted);
}
.status-failed {
  border-left-color: var(--hp-red);
  opacity: 0.8;
}

.task-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.task-tags {
  display: flex;
  gap: 0.5rem;
}

.task-tag {
  font-size: 0.7rem;
  background-color: #eee;
  color: #555;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.task-tag.global-tag { background-color: #e3f2fd; color: #0277bd; }
.task-tag.assign-tag { background-color: #f3e5f5; color: #4a2c73; }

/* Recompensas (Mockup) */
.reward-card {
  background: var(--card-bg);
  border-radius: 4px;
  padding: 0.8rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 6px solid #ffc107;
}
.reward-info h4 { font-size: 0.9rem; }
.reward-info p { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem; }
.reward-cost {
  background: #fff8e1;
  color: #ff8f00;
  padding: 0.4rem;
  border-radius: 50%;
  font-weight: bold;
  font-size: 0.8rem;
}

.rewards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
.reward-item {
  background: var(--card-bg);
  padding: 1rem;
  text-align: center;
  border-radius: 4px;
  font-size: 1.5rem;
  border-top: 4px solid #ffc107;
}
.reward-item span {
  display: block;
  font-size: 0.8rem;
  color: #ff8f00;
  margin-top: 0.5rem;
  font-weight: bold;
}

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: var(--card-bg);
  width: 100%;
  max-width: 500px;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  max-height: 90vh;
  overflow-y: auto;
}

.section-title {
  color: var(--primary-purple);
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.success-msg {
  color: var(--task-green);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.task-card {
  user-select: none;
}

.task-card .task-title,
.task-card .task-desc,
.task-card .task-meta {
  user-select: text;
}

#admin-create-user-section {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #fafafa;
}

#admin-create-user-section .modal-actions {
  margin-top: 1rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 { color: var(--primary-purple); }

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}
.close-btn:hover { color: var(--text-dark); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
}

/* Responsividad básica */
@media (max-width: 1200px) {
  .columns-wrapper { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .columns-wrapper { grid-template-columns: 1fr; }
  .user-profile-container { flex-direction: column; text-align: center; }
  .top-nav { padding: 0.8rem 1rem; flex-wrap: wrap; gap: 0.75rem; }
  .nav-user { width: 100%; justify-content: flex-end; }
  .user-header { padding: 1rem; }
  .stats-container { width: 100%; max-width: 320px; margin: 0 auto; }
  .board-container { padding: 1rem; }
  .board-toolbar { flex-direction: column; align-items: stretch; }
  .search-box input { width: 100%; }
  .modal { align-items: flex-start; padding: 1rem; }
  .modal-content { max-width: 100%; padding: 1rem; border-radius: 10px; }
  .modal-actions { flex-wrap: wrap; justify-content: stretch; }
  .modal-actions .btn { width: 100%; }
}