/* ===========================================================
   COMPONENTS — Cards, botones, inputs, badges, tablas
   =========================================================== */

/* ===========================================================
   CARDS
   =========================================================== */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}
.card:hover {
  border-color: var(--border-strong);
}

/* Variantes */
.card-flat {
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.card-interactive {
  cursor: pointer;
}
.card-interactive:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

/* Stat card */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.stat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}
.stat-value {
  font-size: 30px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--text);
}
.stat-suffix {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-left: 6px;
  letter-spacing: 0;
}
.stat-meta {
  font-size: 12.5px;
  color: var(--text-secondary);
  letter-spacing: -0.005em;
}

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 14px;
  height: 32px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-translucent);
  border: 1px solid var(--border-input);
  border-radius: 7px;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast),
              transform var(--t-fast), box-shadow var(--t-fast);
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  box-shadow: var(--shadow-sm), var(--shadow-inset);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
}
.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}
.btn:active {
  transform: scale(0.97);
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn.primary {
  background: var(--accent-gradient);
  color: var(--text-on-accent);
  border-color: transparent;
  box-shadow: 0 1px 2px rgba(10, 132, 255, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn.primary:hover {
  background: linear-gradient(180deg, #2da3ff 0%, #1e95ff 100%);
  border-color: transparent;
}
.btn.primary:active {
  background: var(--accent-active);
}

.btn.danger {
  color: var(--danger);
  border-color: rgba(255, 69, 58, 0.3);
}
.btn.danger:hover {
  background: var(--danger-soft);
  border-color: rgba(255, 69, 58, 0.5);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.btn.ghost:hover {
  background: var(--bg-hover);
}

.btn.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; border-radius: 6px; }
.btn.btn-lg { height: 38px; padding: 0 20px; font-size: 14px; border-radius: 8px; }

/* ===========================================================
   INPUTS
   =========================================================== */
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}

.input {
  width: 100%;
  padding: 0 12px;
  height: 36px;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 7px;
  outline: none;
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
  letter-spacing: -0.005em;
}
.input::placeholder {
  color: var(--text-tertiary);
}
.input:hover {
  border-color: var(--border-strong);
}
.input:focus {
  background: var(--bg-input-focus);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

textarea.input {
  height: auto;
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.5;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

select.input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%23999' stroke-width='1.5'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

input[type="number"] {
  font-variant-numeric: tabular-nums;
}

/* ===========================================================
   BADGES
   =========================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.badge.success { background: var(--success-soft); color: var(--success); border-color: rgba(48, 209, 88, 0.18); }
.badge.warning { background: var(--warning-soft); color: var(--warning); border-color: rgba(255, 159, 10, 0.2); }
.badge.danger  { background: var(--danger-soft);  color: var(--danger);  border-color: rgba(255, 69, 58, 0.2); }
.badge.info    { background: var(--accent-soft);  color: var(--accent);  border-color: rgba(10, 132, 255, 0.2); }
.badge.neutral { background: var(--bg-hover);     color: var(--text-secondary); border-color: var(--border); }

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* ===========================================================
   TABLAS
   =========================================================== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead tr {
  border-bottom: 1px solid var(--border);
}
thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: transparent;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}
tbody tr:hover {
  background: var(--bg-hover);
}
tbody tr:last-child {
  border-bottom: none;
}
tbody td {
  padding: 11px 14px;
  letter-spacing: -0.005em;
}

/* ===========================================================
   FORMS
   =========================================================== */
.field-group {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}
.field-group-2 { grid-template-columns: 1fr 1fr; }
.field-group-3 { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 600px) {
  .field-group-2, .field-group-3 {
    grid-template-columns: 1fr;
  }
}

/* ===========================================================
   ESTADOS VACÍOS
   =========================================================== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}
.empty-state h3 {
  font-size: 16px;
  margin-bottom: 6px;
}
.empty-state p {
  font-size: 13px;
  margin-bottom: 16px;
}