/* ─── MODAL OVERLAY ───────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 var(--sp-4) calc(var(--safe-bottom) + 12px);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.modal-overlay.hidden { display: none; }
.modal-overlay.visible { opacity: 1; }

/* ─── MODAL ─── */

.modal {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform: translateY(24px);
  opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out),
              opacity var(--dur-slow) var(--ease-out);
}

.modal.hidden { display: none; }
.modal.visible { transform: translateY(0); opacity: 1; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-5) 0;
}

.modal-title {
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background var(--dur-fast), color var(--dur-fast);
  flex-shrink: 0;
}

.modal-close:hover { background: var(--accent-hover); color: var(--text-primary); }

.modal-body { padding: var(--sp-5); }

.modal-footer {
  display: flex;
  gap: var(--sp-3);
  padding: 0 var(--sp-5) var(--sp-5);
}

/* ─── BUTTONS ─── */

.btn-primary {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  color: var(--bg);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:active { opacity: 0.85; transform: scale(0.98); }

.btn-secondary {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 500;
  transition: background var(--dur-fast), transform var(--dur-fast) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}

.btn-secondary:active { background: var(--accent-hover); transform: scale(0.98); }

.btn-danger {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--negative-bg);
  color: var(--negative);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 500;
  transition: background var(--dur-fast), transform var(--dur-fast) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}

.btn-danger:active { opacity: 0.8; transform: scale(0.98); }

/* ─── FORMS ─── */

.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.field-group:last-child { margin-bottom: 0; }

.field-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.field-input {
  width: 100%;
  height: 48px;
  padding: 0 var(--sp-4);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--dur-fast);
}

.field-input:focus { border-color: var(--border-strong); }
.field-input::placeholder { color: var(--text-tertiary); }

.field-select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6L8 10L12 6' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.field-select option { background: var(--surface); color: var(--text-primary); }

/* ─── DETALLE MOVIMIENTO ─── */

.detalle-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border);
}

.detalle-row:last-child { border-bottom: none; }
.detalle-key { font-size: var(--text-sm); color: var(--text-secondary); }

.detalle-val {
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: right;
  max-width: 60%;
}

.detalle-amount {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--sp-4);
}

.detalle-amount.positivo { color: var(--positive); }
.detalle-amount.negativo { color: var(--negative); }

/* ─── CELEBRACIÓN ─── */
.celebracion-icon { font-size: 64px; line-height: 1; }

/* ─── SCROLLBAR ─── */
.screen::-webkit-scrollbar { width: 0; }
.modal-body::-webkit-scrollbar { width: 0; }