/* ============================================ */
/* COMPONENTES REUTILIZABLES                     */
/* ============================================ */

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn--primary {
  background: var(--gradient-brand);
  color: white;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 16px -6px rgba(99, 102, 241, 0.5);
}

.btn--primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -6px rgba(99, 102, 241, 0.55);
}

.btn--secondary {
  background: var(--color-bg-soft);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-danger);
}

.btn--ghost:hover {
  background: var(--color-danger-soft);
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-soft);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--color-bg-soft);
  color: var(--color-text);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
}

.btn-link {
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.btn-link:hover {
  background: var(--color-accent-soft);
}

/* --- Switch botones --- */
.switch-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.switch-btn.active {
  background: var(--color-accent-soft);
  color: var(--color-accent-text);
}

/* ============================================ */
/* TAREAS                                        */
/* ============================================ */

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

.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.task-item:hover {
  border-color: var(--indigo-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.task-item.completed {
  opacity: 0.55;
  background: var(--color-bg-soft);
}

.task-item.completed .task-item__title {
  text-decoration: line-through;
}

.task-checkbox {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border-strong);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.task-checkbox:hover {
  border-color: var(--color-accent);
}

.task-checkbox.checked {
  background: var(--color-success);
  border-color: var(--color-success);
}

.task-checkbox.checked::after {
  content: '';
  width: 10px;
  height: 5px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) translateY(-1px);
}

.task-item__content {
  flex: 1;
  min-width: 0;
}

.task-item__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.task-item__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.task-item__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.task-item__meta-item svg {
  width: 12px;
  height: 12px;
}

.priority-pill {
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.priority-pill--high {
  background: var(--color-priority-high-soft);
  color: var(--color-priority-high);
}

.priority-pill--med {
  background: var(--color-priority-med-soft);
  color: var(--color-priority-med);
}

.priority-pill--low {
  background: var(--color-priority-low-soft);
  color: var(--color-priority-low);
}

.empty-state {
  padding: var(--space-12) var(--space-4);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}

.empty-state svg {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--space-3);
  opacity: 0.5;
}

/* ============================================ */
/* PEERS (compañeros)                            */
/* ============================================ */

.peer-strip {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: var(--space-2) 0;
  margin: 0 calc(var(--space-4) * -1);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.peer-card {
  flex-shrink: 0;
  width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.peer-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.peer-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.peer-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: white;
  flex-shrink: 0;
}

.peer-card__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.peer-card__status {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.peer-card__status .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}

.peer-card__progress {
  margin-top: auto;
}

.peer-card__progress-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ============================================ */
/* MODAL                                         */
/* ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal.open {
  display: flex;
  animation: fadeIn var(--transition-fast);
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}

.modal__panel {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition-base);
}

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

.modal__header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__header h3 {
  font-size: var(--font-size-lg);
}

.modal__form {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.field__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-soft);
}

.field__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field input[type="text"],
.field input[type="date"],
.field textarea,
.field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  background: var(--color-surface);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.field textarea {
  resize: vertical;
  min-height: 60px;
}

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

.priority-options {
  display: flex;
  gap: var(--space-2);
}

.priority-option {
  cursor: pointer;
  flex: 1;
}

.priority-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.priority-option .priority-pill {
  display: block;
  text-align: center;
  padding: var(--space-2);
  border: 2px solid transparent;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.priority-option input:checked + .priority-pill {
  border-color: currentColor;
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  margin-top: var(--space-2);
}

.modal__footer-right {
  display: flex;
  gap: var(--space-2);
  margin-left: auto;
}

@media (max-width: 480px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

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

.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: #1E2233;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.10);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  transition: transform var(--transition-base);
  max-width: 90%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast svg {
  width: 16px;
  height: 16px;
}